%! /TeXDict 200 dict def % define a working dictionary TeXDict begin % start using it. /Resolution 300 def /Inch{Resolution mul}def % converts inches to internal units /PageCounter statusdict begin pagecount end def % so we can report # pages printed /Mtrx 6 array def /@letter {letter initmatrix 72 Resolution div dup neg scale % set scaling to 1. 310 -3005 translate % move origin to top (these are not exactly 1" Mtrx currentmatrix pop % and -10" because margins aren't set exactly right) }def /@note {note initmatrix 72 Resolution div dup neg scale % set scaling to 1. 310 -3005 translate % move origin to top Mtrx currentmatrix pop }def /@landscape {letter initmatrix 72 Resolution div dup neg scale % set scaling to 1. -90 rotate % it would be nice to be able to do this 300 310 translate % move origin to top Mtrx currentmatrix pop }def /@legal {legal initmatrix 72 Resolution div dup neg scale % set scaling to 1. 295 -3880 translate % move origin to top Mtrx currentmatrix pop }def /@manualfeed {statusdict /manualfeed true put }def /@envelope {statusdict /manualfeed true put letter initmatrix 72 Resolution div dup neg scale -90 rotate 450 1275 translate % upper right corner of regular envelope 300 310 translate Mtrx currentmatrix pop }def /@copies {/#copies exch def }def /@newfont % id @newfont - -- initialize a new font dictionary {/newname exch def pop newname 7 dict def % allocate new font dictionary newname load begin /FontType 3 def /FontMatrix [1 0 0 -1 0 0] def /FontBBox [0 0 1 1] def /BitMaps 256 array def /BuildChar{CharBuilder}def /Encoding 256 array def 0 1 255{Encoding exch /.undef put}for end newname newname load definefont pop }def /ch-image{ch-data 0 get}def % the hex string image /ch-width{ch-data 1 get}def % the number of pixels across /ch-height{ch-data 2 get}def % the number of pixels tall /ch-xoff{ch-data 3 get}def % number of pixels below origin /ch-yoff{ch-data 4 get}def % number of pixels to left of origin /ch-tfmw{ch-data 5 get}def % spacing to next character /CharBuilder % fontdict ch Charbuilder - -- image one character {/ch-code exch def % save the char code /font-dict exch def % and the font dict. /ch-data font-dict /BitMaps get ch-code get def % get the bitmap descriptor for char ch-data null eq not {ch-tfmw 0 ch-xoff neg ch-yoff neg ch-width ch-xoff sub ch-height ch-yoff sub setcachedevice ch-width ch-height true [1 0 0 1 ch-xoff ch-yoff] {ch-image}imagemask } if }def /@sf % fontdict @sf - -- make that the current font {setfont() pop }def /@dc % char-data ch @dc - -- define a new character bitmap {/ch-code exch def dup 0 get length 2 lt {pop [ <00> 1 1 0 0 8.00 ]}% replace <> with null if /ch-data exch def currentfont /BitMaps get ch-code ch-data put currentfont /Encoding get ch-code dup ( ) cvs cvn % generate a unique name simply from the character code put }def /@bop0 % n @bop0 - -- begin the char def section of a new page { }def /@bop1 % n @bop1 - -- begin a brand new page {pop erasepage initgraphics Mtrx setmatrix 0 0 moveto /SaveImage save def }def /@eop % - @eop - -- end a page {showpage SaveImage restore }def /@start % - @start - -- start everything {/note where % check to see if note exists {@note}{@letter} ifelse % if so, do that. Otherwise }def /@end % - @end - -- done the whole shebang {end }def /p % x y p - -- move to position {moveto }def /r % x r - -- move right {0 rmoveto }def /s % string s - -- show the string {show }def /c % ch c - -- show the character (code given) {c-string exch 0 exch put c-string show }def /c-string ( ) def /ru % dx dy ru - -- set a rule (rectangle) {/dy exch neg def % because dy is height up from bottom /dx exch def /x currentpoint /y exch def def % remember current point newpath x y moveto dx 0 rlineto 0 dy rlineto dx neg 0 rlineto closepath fill x y moveto }def /@SpecialDefaults { /hsi 72 8.5 mul def % 8.5 Inch def /vsi 72 11 mul def % 11 Inch def /hof 0 def /vof 0 def /hsc 1 def /vsc 1 def /rotat 0 def /CLIP false def }def /@hsize{/hsi exch def /CLIP true def}def /@vsize{/vsi exch def /CLIP true def}def /@hoffset{/hof exch def}def /@voffset{/vof exch def}def /@hscale{/hsc exch def}def /@vscale{/vsc exch def}def /@rotation{/rotat exch def}def /@setclipper { CLIP {newpath 0 0 moveto hsi 0 rlineto 0 vsi rlineto hsi neg 0 rlineto closepath clip} if }def /@beginspecial % - @beginspecial - -- enter special mode {gsave /SpecialSave save def currentpoint transform initgraphics itransform translate 0 0 moveto @SpecialDefaults % setup default offsets, scales, sizes }def /@setspecial % to setup user specified offsets, scales, sizes (for clipping) { hof vof translate @setclipper hsc vsc scale rotat rotate }def /@endspecial % - @endspecial - -- leave special mode { SpecialSave restore grestore }def end % revert to previous dictionary /TeXscale{65536 div}def gsave initgraphics /DocumentInitState [ matrix currentmatrix currentlinewidth currentlinecap currentlinejoin currentdash currentgray currentmiterlimit ] cvx def grestore /startTexFig{ /SavedState save def userdict maxlength dict begin currentpoint transform DocumentInitState setmiterlimit setgray setdash setlinejoin setlinecap setlinewidth setmatrix itransform moveto /ury exch TeXscale def /urx exch TeXscale def 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cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx10.2160-55 @sf 0 45 p (References) s cmr10.1643-34 @sf 23 165 p ([1]) s 22 r (J.) s 16 r 80 c -1 r (ostel,) s cmti10.1643-37 @sf 14 r (Internet) s 17 r (Pr) s -2 r (oto) s -2 r 99 c -2 r (ol) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 14 r (Net) s -1 r 119 c -1 r (ork) s 16 r (Information) s 18 r (Cen) s -1 r (ter,) s 17 r (RF) s -1 r 67 c 17 r (791) s cmr10.1643-34 @sf 0 r 44 c 15 r (Septem) s 0 r 98 c 0 r (er) s 15 r (1981.) s 23 259 p ([2]) s 22 r (G.) s 19 r 86 c -2 r (audreuil,) s cmti10.1643-37 @sf 18 r (The) s 20 r 70 c -3 r 101 c -2 r (der) s -2 r (al) s 19 r 82 c -2 r (ese) s -2 r (ar) s -2 r (ch) s 18 r (Internet) s 20 r (Co) s -1 r (or) s -3 r (dinating) s 19 r (Committe) s -1 r 101 c 18 r (and) s 20 r (the) s 20 r (National) s 19 r 82 c -1 r (e-) s 93 316 p (se) s -1 r (ar) s -2 r (ch) s 15 r (Network) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 15 r 65 c 0 r (CM) s 16 r (SIG) s 18 r (Computer) s 17 r (Comm) s 0 r (unications) s 16 r (Review) s cmr10.1643-34 @sf 0 r 44 c 15 r (April) s 15 r (1988.) s 23 409 p ([3]) s 22 r (E.) s 19 r (Rosen,) s cmti10.1643-37 @sf 20 r (Exterior) s 20 r (Gateway) s 20 r (Pr) s -2 r (oto) s -2 r 99 c -2 r (ol) s 18 r (\(EGP\)) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 19 r (Net) s 0 r 119 c -2 r (ork) s 21 r (Information) s 22 r (Cen) s -1 r (ter,) s 22 r (RF) s 0 r 67 c 20 r (827) s cmr10.1643-34 @sf 0 r 44 c 93 466 p (Octob) s 2 r (er) s 15 r (1982.) s 23 560 p ([4]) s 22 r (D.) s 13 r (Clark,) s cmti10.1643-37 @sf 14 r (Policy) s 14 r 82 c -1 r (outing) s 13 r (in) s 14 r (Internet) s 15 r (Pr) s -2 r (oto) s -2 r 99 c -2 r (ols) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 12 r (Net) s 0 r 119 c -2 r (ork) s 14 r (Information) s 15 r (Cen) s 0 r (ter,) s 14 r (RF) s 0 r 67 c 14 r (1102) s cmr10.1643-34 @sf 0 r 44 c 93 616 p (Ma) s 0 r 121 c 14 r (1989.) s 23 710 p ([5]) s 22 r (H.W.Braun,) s cmti10.1643-37 @sf 17 r (Mo) s -2 r (dels) s 16 r (of) s 17 r (Policy) s 18 r (Base) s -2 r 100 c 16 r 82 c -1 r (outing) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 15 r (Net) s 0 r 119 c -2 r (ork) s 18 r (Information) s 18 r (Cen) s 0 r (ter,) s 17 r (RF) s 0 r 67 c 17 r (1104) s cmr10.1643-34 @sf 0 r 44 c 93 766 p (June) s 16 r (1989.) s 23 860 p ([6]) s 22 r (K.) s 11 r (Lougheed,) s 12 r (Y.) s 11 r (Rekh) s 0 r (ter,) s cmti10.1643-37 @sf 10 r 65 c 13 r (Bor) s -2 r (der) s 12 r (Gateway) s 12 r (Pr) s -1 r (oto) s -3 r 99 c -2 r (ol) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 11 r (Net) s -1 r 119 c -1 r (ork) s 11 r (Information) s 13 r (Cen) s -1 r (ter,) s 13 r (RF) s -1 r 67 c 93 917 p (1105) s cmr10.1643-34 @sf 0 r 44 c 16 r (June) s 15 r (1989.) s 23 1010 p ([7]) s 22 r (J.) s 16 r (Saltzer,) s 15 r (M.) s 15 r (Sc) s 0 r (hro) s 0 r (eder,) s cmti10.1643-37 @sf 15 r (The) s 17 r (Pr) s -2 r (ote) s -2 r (ction) s 15 r (of) s 17 r (Information) s 16 r (in) s 16 r (Computer) s 16 r (Systems) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 16 r (Pro) s 1 r (ceedings) s 93 1067 p (of) s 18 r (the) s 17 r (IEEE) s cmr10.1643-34 @sf 0 r 44 c 15 r (63,) s 16 r 57 c 15 r (Septem) s -1 r 98 c 1 r (er) s 15 r (1975.) s 23 1161 p ([8]) s 22 r (V.) s 23 r (Jacobson,) s cmti10.1643-37 @sf 23 r (Congestion) s 23 r 65 c 0 r (voidanc) s -2 r 101 c 21 r (and) s 23 r (Contr) s -1 r (ol.) s cmbx10.1643-39 @sf 21 r (Pro) s 1 r (ceedings) s 26 r (of) s 25 r 65 c 0 r (CM) s 24 r (Sigcomm) s cmr10.1643-34 @sf 0 r 44 c 24 r (pp.) s 93 1217 p (106-114,) s 16 r (August) s 15 r (1988,) s 15 r 80 c 0 r (alo) s 14 r (Alto,) s 15 r (CA.) s 23 1311 p ([9]) s 22 r (Da) s 0 r (vid) s 18 r (Clark,) s cmti10.1643-37 @sf 19 r (Design) s 20 r (Philosophy) s 19 r (of) s 19 r (the) s 20 r 68 c 0 r (ARP) s -4 r 65 c 19 r (Internet) s 19 r (Pr) s -1 r (oto) s -3 r 99 c -2 r (ols) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 18 r (Pro) s 2 r (ceedings) s 21 r (of) s 22 r 65 c -1 r (CM) s 93 1367 p (Sigcomm) s cmr10.1643-34 @sf 0 r 44 c 16 r (pp.) s 15 r (106-114,) s 15 r (August) s 15 r (1988,) s 15 r 80 c 0 r (alo) s 14 r (Alto,) s 15 r (CA.) s 0 1461 p ([10]) s 23 r (Gigabit) s 15 r (Net) s 0 r 119 c -1 r (orking) s 14 r (Group,) s 15 r (B.) s 16 r (Leiner,) s 15 r (Editor.) s cmti10.1643-37 @sf 16 r (Critic) s -2 r (al) s 16 r (Issues) s 16 r (in) s 17 r (High) s 16 r (Bandwidth) s 17 r (Networking) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 93 1518 p (Net) s 0 r 119 c -1 r (ork) s 16 r (Information) s 17 r (Cen) s 0 r (ter,) s 16 r (RF) s 0 r 67 c 16 r (1077) s cmr10.1643-34 @sf 0 r 44 c 15 r (No) s 0 r 118 c -1 r (em) s -1 r 98 c 0 r (er) s 15 r (1988.) s 0 1611 p ([11]) s 23 r (D.) s 14 r (Estrin,) s 14 r (J.) s 15 r (Mogul) s 14 r (and) s 14 r (G.) s 15 r (Tsudik,) s cmti10.1643-37 @sf 14 r (Visa) s 15 r (Pr) s -1 r (oto) s -2 r 99 c -2 r (ols) s 14 r (for) s 15 r (Contr) s -1 r (ol) s 1 r (ling) s 16 r (Inter-Or) s -1 r (ganizational) s 14 r (Data-) s 93 1668 p (gr) s -1 r (am) s 12 r (Flow) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 12 r 84 c -3 r 111 c 12 r (app) s 2 r (ear) s 13 r (in) s 13 r (IEEE) s 14 r (Journal) s 13 r (on) s 13 r (Selected) s 14 r (Areas) s 13 r (in) s 13 r (Comm) s 0 r (unications) s cmr10.1643-34 @sf 0 r 44 c 11 r (Spring) s 93 1724 p (1989.) s 0 1818 p ([12]) s 23 r (D.) s 11 r (Estrin) s 11 r (and) s 12 r (G.) s 11 r (Tsudik,) s cmti10.1643-37 @sf 12 r (Se) s -1 r (curity) s 12 r (Issues) s 12 r (in) s 13 r (Policy) s 13 r 82 c -1 r (outing) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 11 r (IEEE) s 13 r (Symp) s 1 r (osium) s 13 r (on) s 13 r (Researc) s 0 r 104 c 93 1875 p (in) s 18 r (Securit) s -1 r 121 c 17 r (and) s 17 r (Priv) s -2 r (acy) s cmr10.1643-34 @sf 0 r 44 c 14 r (Oakland,) s 16 r (CA.) s 15 r (Ma) s 0 r 121 c 14 r (1-3) s 15 r (1989.) s 0 1968 p ([13]) s 23 r (M.) s 15 r (Little,) s cmti10.1643-37 @sf 15 r (The) s 16 r (Dissimilar) s 17 r (Gateway) s 16 r (Pr) s -2 r (oto) s -2 r 99 c -2 r (ol) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 14 r 84 c -3 r (ec) s -2 r (hnical) s 17 r (rep) s 1 r (ort) s cmr10.1643-34 @sf 0 2062 p ([14]) s 23 r 80 c -3 r 46 c 17 r (Tsuc) s 0 r (hiy) s -1 r (a,) s cmti10.1643-37 @sf 18 r (The) s 19 r 76 c -2 r (andmark) s 18 r (Hier) s -1 r (ar) s -2 r (chy:) s 25 r 65 c 19 r (new) s 19 r (hier) s -1 r (ar) s -2 r (chy) s 18 r (for) s 19 r 114 c -1 r (outing) s 18 r (in) s 19 r (very) s 19 r (lar) s -1 r (ge) s 18 r (networks) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 93 2119 p (IEEE) s 18 r (SIGCOMM) s 17 r (88) s cmr10.1643-34 @sf 0 r 44 c 15 r 80 c 0 r (alo) s 14 r (Alto,) s 15 r (CA.) s 16 r (Septem) s -1 r 98 c 1 r (er) s 15 r (1988.) s 0 2213 p ([15]) s 23 r (G.) s 12 r (Finn,) s cmti10.1643-37 @sf 13 r 82 c -1 r 101 c -3 r (ducing) s 13 r (the) s 14 r 86 c -3 r (ulner) s -2 r (ability) s 13 r (of) s 13 r (Dynamic) s 14 r (Computer) s 14 r (Networks) s cmbx10.1643-39 @sf 12 r (USC/Information) s 14 r (Sci-) s 93 2269 p (ences) s 18 r (Institute,) s 17 r 84 c -3 r (ec) s -2 r (hnical) s 17 r (Rep) s 1 r (ort,) s 18 r (ISI/RR-88-201) s cmr10.1643-34 @sf 15 r (July) s 15 r (1988.) s 0 2363 p ([16]) s 23 r (A.) s 17 r (Nak) s -2 r (assis) s cmti10.1643-37 @sf 16 r 82 c -1 r (outing) s 17 r 65 c 0 r (lgorithm) s 17 r (for) s 18 r (Op) s -1 r (en) s 17 r 82 c -2 r (outing) s cmr10.1643-34 @sf 0 r 44 c cmbx10.1643-39 @sf 17 r (Unpublished) s 20 r (pap) s 1 r (er) s cmr10.1643-34 @sf 0 r 44 c 18 r (Av) s -2 r (ailable) s 16 r (from) s 17 r (the) s 93 2419 p (author) s 19 r (at) s 19 r (the) s 19 r (National) s 18 r (Institute) s 19 r (of) s 19 r (Standards) s 18 r (and) s 19 r 84 c -3 r (ec) s -1 r (hnology) s 18 r (\(formerly) s 18 r (NBS\),) s 19 r 87 c -3 r (ashington) s 93 2476 p (D.C.) s 0 2678 p (Estrin) s 1647 r ([P) s -1 r (age) s 14 r (17]) s @eop 16 @bop0 [ 1500 ] /cmr8.1500-13 @newfont cmr8.1500-13 @sf [<7FF07FF0070007000700070007000700070007000700070007000700070007000700F700FF000F000300> 16 21 -2 0 17.642] 49 @dc [ 16 21 -2 0 17.642] 50 @dc [<1FE07FF8707CE03EE01EE01E001E001E003C007807E007F000F80078003C003C703C703C70783FF81FE0> 16 21 -1 0 17.642] 51 @dc cmbx10.2160-55 @sf [<01FE000007FFC0000FFFE0001F07F8001F01FC003F80FE003FC07F003FC07F003FC03F803FC03F801F803FC00F001FC00000 1FC000001FC000001FE000FF1FE003FF9FE00FE1DFE01F80FFE03F807FE07F003FE07F003FE07F003FE0FF001FE0FF001FE0 FF001FE0FF001FE0FF001FC0FF001FC0FF001FC0FF001FC07F003F807F003F803F803F001FC07E000FE0FE0007FFFC0003FF F000007FC000> 32 39 -3 0 34.370] 57 @dc [ 32 41 -4 0 38.189] 83 @dc [<007FE3FF8001FFF3FF8003F83BFF8007E01FF8000FE00FF8000FE007F8000FE007F8000FE003F8000FE003F8000FE003F800 0FE003F8000FE003F8000FE003F8000FE003F8000FE003F8000FE003F8000FE003F8000FE003F8000FE003F8000FE003F800 0FE003F8000FE003F8000FE003F8000FE003F800FFE03FF800FFE03FF800FFE03FF800> 40 27 -3 0 38.189] 117 @dc [ 56 27 -3 0 57.283] 109 @dc [<03FE07FC1FFF8FFC3FC3DFFC7F00FFC0FF007F80FE007F80FE003F80FE003F80FE003F807F003F807F803F803FC03F801FE0 3F8007FE3F8001FFFF80001FFF8000003F8000003F801F803F803FC03F803FC03F803FC07F003FC07F003FC0FE001F81FC00 0FFFF00003FFC000> 32 27 -2 0 33.415] 97 @dc [<0FC00000003FE00000007C78000000FE3C000000FE1E000000FE0E000000FE0F0000007C0700000038078000000003800000 00038000000001C000000001C000000003E000000003E000000007F000000007F00000000FF80000000FF80000000FF80000 001FDC0000001FDC0000003FDE0000003F8E0000007F8F0000007F070000007F07000000FE03800000FE03800001FC01C000 01FC01C00003FC01E00003F800E00007F800F00007F000700007F0007000FFFE03FF80FFFE03FF80FFFE03FF80> 40 39 -1 12 36.280] 121 @dc cmr10.1643-34 @sf [<003FF8003FF800038000038000038000038000038000038000038007E3801FFB803E1F803C0F807C0780780780F80380F003 80F00380F00380F00380F00380F00380F803807803807C07803C0F801F1F800FF98007F180> 24 29 -2 9 23.989] 113 @dc [<3F00FFC0F1E0F0E0F0F000700070007000700070007000700070007000700070007000700070007000700070007000700070 00F007F007F0007000000000000000000000000000E001F001F001F000E0> 16 40 2 9 13.889] 106 @dc [ 24 20 0 0 23.989] 120 @dc cmbx10.2160-55 @sf [<7FFFFE7FFFFE7FFFFE00FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF 0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF0000FF00F8FF00FF FF00FFFF0007FF00007F00000F00000700> 24 39 -5 0 34.370] 49 @dc [<003F800001FFF00007E0FC000FC07E001F803F001F803F003F001F803F001F807F001FC07F001FC07F001FC07F001FC0FF00 1FE0FF001FE0FF001FE0FF001FE0FF001FE0FF001FE0FF001FE0FF001FE0FF001FE0FF001FE0FF001FE0FF001FE0FF001FE0 FF001FE0FF001FE07F001FC07F001FC07F001FC07F001FC03F001F803F001F801F803F001F803F000FC07E0007E0FC0001FF F000003F8000> 32 39 -3 0 34.370] 48 @dc [ 48 41 -2 0 51.970] 65 @dc [ 32 42 -2 0 36.280] 107 @dc [<003FE00001FFFC0007F07F000FC01F801F800FC03F800FE03F800FE07F0007F07F0007F0FF0007F8FF0007F8FF0007F8FF00 07F8FF0007F8FF0007F8FF0007F8FF0007F87F0007F07F0007F07F0007F03F0007E03F800FE01F800FC00FC01F8003F07E00 01FFFC00003FE000> 32 27 -2 0 34.370] 111 @dc [<00078003C00000078003C000000FC007E000000FC007E000000FC007E000001FE00FF000001FE00FF000003FF01FF800003F F01FB800003FF01FB800007F783F3C00007F383F1C0000FF383F1E0000FE1C7E0E0000FE1C7E0E0001FE1EFC0F0001FC0EFC 070001FC0EFC070003F807F8038003F807F8038007F807F803C007F003F001C007F003F001C00FE007E000E0FFFE7FFC0FFE FFFE7FFC0FFEFFFE7FFC0FFE> 48 27 -1 0 49.646] 119 @dc [ 16 42 -3 0 19.094] 108 @dc [<003FC3FF8001FFFBFF8007F07FFF800FE01FF8001FC00FF8003F8007F8003F8003F8007F0003F8007F0003F800FF0003F800 FF0003F800FF0003F800FF0003F800FF0003F800FF0003F800FF0003F800FF0003F800FF0003F8007F0003F8007F8003F800 3F8003F8003F8003F8001FC007F8000FE00FF80003F83FF80001FFFBF800003FE3F800000003F800000003F800000003F800 000003F800000003F800000003F800000003F800000003F800000003F800000003F800000003F800000003F80000003FF800 00003FF80000003FF800> 40 42 -2 0 38.189] 100 @dc [<00FFF80007FFFF001FE03FC03F0007E07E0003F0FC0001F8F80000F8F80000F8F80000F8F80001F87C0001F87E000FF83FFF FFF007FFFFF00FFFFFE01FFFFFC03FFFFF003FFFFC003E0000003C0000003C0000003800000018FF80001FFFF0000FE3F800 1F80FC003F80FE003F007E007F007F007F007F007F007F007F007F007F007F007F007F003F007E783F80FE7C1F80FCFC0FE3 FF7C07FFF7FC00FF81F0> 32 40 -2 13 34.370] 103 @dc [<003FC000FFE001FCF003F87007F03807F03807F03807F03807F03807F03807F03807F00007F00007F00007F00007F00007F0 0007F00007F00007F00007F00007F00007F00007F000FFFFF0FFFFF01FFFF007F00003F00003F00001F00000F00000F00000 F000007000007000007000007000> 24 38 -1 0 26.732] 116 @dc cmr10.1643-34 @sf [<7FC3FE7FC3FE0700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700 E00700E0FFFFE0FFFFE00700000700000700000700000700000700000701E00781E003C1E001F1E000FFC0001F80> 24 32 0 0 25.252] 12 @dc [<07F00F801FFC3FE03E1EF8707C07F0307803C018F807C018F00FE000F00F7000F01E3000F03C3800F03C180078781C0038F0 0C001CF00E000FE0070007E0030003C0038003C0038003E007E003F01FFC03B81FFC071C0000070E0000070E000007070000 07070000070300000703000007030000070300000387000003CE000001FE0000007C0000> 32 34 -2 1 35.353] 38 @dc [ 1500 ] /cmr6.1500-4 @newfont cmr6.1500-4 @sf [ 16 16 -2 0 15.220] 49 @dc [ 16 16 -1 0 15.220] 50 @dc [ 1500 ] /cmr9.1500-18 @newfont cmr9.1500-18 @sf [ 32 26 -1 0 35.191] 77 @dc [<07E01C38381C700E6006E007E007E007E007E007E0076006700E300C1C3807E0> 16 16 -1 0 19.198] 111 @dc [ 16 16 -1 0 15.018] 114 @dc [<07E00C18380830046000E000E000E000E000FFFCE00C600C701830181C3007C0> 16 16 -1 0 17.079] 101 @dc [<00800001C00001C00001C00003A00003A0000790000710000710000E08000E08001E0C001C04001C04003C0600FF1F80> 24 16 -1 0 20.265] 118 @dc [<8040202010101070F0F060> 8 11 -3 7 10.666] 44 @dc [<03800E401C201C201C201C201C201C001C001C001C001C001C001C001C00FFC03C001C000C000C00040004000400> 16 23 -1 0 14.932] 116 @dc [ 24 26 -1 0 21.331] 104 @dc [<8F80F040C020C0308030807000F01FE03FC07F00F000C020C020402060E01F20> 16 16 -1 0 15.145] 115 @dc [<07CFC00C2E001C1E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E001C0E00FC7E00> 24 16 -1 0 21.331] 117 @dc [<07E00C18380830047000E000E000E000E000E000E0007018303C383C0C1C07F0> 16 16 -1 0 17.065] 99 @dc [ 16 26 0 0 10.666] 105 @dc [ 24 16 -1 0 21.331] 110 @dc [<07E0381C6006C003C003C003C003600F1FFE3FFC3FF07000600020002FC0186030307038703870387038303218730FCE> 16 24 -1 8 19.198] 103 @dc [<1E3C71FBE0F1E071E071E070707030701C7007F000706070F070F0E0E0C03F80> 16 16 -2 0 19.198] 97 @dc [ 24 23 -1 7 21.331] 112 @dc [ 16 26 0 0 10.666] 108 @dc [<007FC0000E00000E00000E00000E00000E00000E0007CE001C2E00381E00700E00700E00E00E00E00E00E00E00E00E00E00E 00E00E00700E00300E00381E000C260003C200> 24 23 -1 7 20.265] 113 @dc [ 32 16 -1 0 31.997] 109 @dc [<7FE00E000E000E000E000E000E000E000E000E000E000E000E000E000E00FFC00E000E000E000E000E000E180E3C073C0398 00F0> 16 26 0 0 11.732] 102 @dc [<780000E40000F20000F1000061000001000000800000800001C00001C00001C00003A00003A0000790000710000710000E08 000E08001E0C001C04001C04003C0600FF1F80> 24 23 -1 7 20.265] 121 @dc [ 32 26 -1 0 28.792] 65 @dc [ 32 26 -1 0 29.328] 68 @dc [<010040000180C0000380E0000380E00003C1E0000741D000074190000F2398000E2388000E2308001E170C001C1704001C16 0400380E06003C0E0700FF3F9F80> 32 16 -1 0 27.731] 119 @dc [<10F0001B0C001E07001C03001C03801C01C01C01C01C01C01C01C01C01C01C01C01C01801C03801E07001F0E001CF8001C00 001C00001C00001C00001C00001C00001C00001C00001C0000FC0000> 24 26 -1 0 21.331] 98 @dc [<07CFC01C2E00381E00700E00600E00E00E00E00E00E00E00E00E00E00E00E00E00700E00300E00380E000C3E0003CE00000E 00000E00000E00000E00000E00000E00000E00000E00000E00007E00> 24 26 -1 0 21.331] 100 @dc [<60F0F060> 8 4 -3 0 10.666] 46 @dc cmr6.1500-4 @sf [<3F007FC0F1C0F0E0F0E060E000E001C00F800F8003C071C079C071C07F801F00> 16 16 -1 0 15.220] 51 @dc cmr9.1500-18 @sf [<03FFF000001E0000001E0000001E0000001E0000001E0000001E0000001E0000001E0000001E0000001E0000001E0000001E 0000001E0000001E0000001E0000001E0000001E0000801E0080801E0080801E0080C01E0180401E0100601E0100701E0700 7FFFFF00> 32 26 -1 0 27.731] 84 @dc [ 32 26 -1 0 28.261] 82 @dc [ 24 26 -1 0 25.061] 70 @dc [<003F0001C0C00300300E00081C00081C0004380004780002700002700002F00000F00000F00000F00000F00000F000007000 027000027800023800061C00061C000E0E001E03002E01C0C6003F02> 24 26 -2 0 27.731] 67 @dc [ 16 24 -3 0 19.198] 49 @dc [<078018603030703860186018E01CE01CE01CE01CE01CE01CE01CE01CE01CE01CE01CE01C601860183030303018600780> 16 24 -2 0 19.198] 48 @dc [ 16 24 -2 0 19.198] 50 @dc [<7F0FE00E07000E07000E07000E07000E07000E07000E07000E07000E07000E07000E07000E07000E07000E0700FFFF000E00 000E00000E00000E00000E06000E0F00060F0007070001820000FC00> 24 26 0 0 21.331] 12 @dc [ 24 26 -1 0 20.265] 107 @dc [ 8 11 -3 -15 10.666] 39 @dc [ 32 26 -1 0 28.792] 72 @dc [ 32 26 -1 0 28.792] 78 @dc [<003F020001C0C60003002E000E001E001C001E001C001E0038001E0078001E0070001E0070001E00F003FFC0F0000000F000 0000F0000000F0000000F0000000700002007000020078000200380006001C0006001C000E000E001E0003002E0001C0C600 003F0200> 32 26 -2 0 30.129] 71 @dc [<007F000001C1C000070070000E0038001C001C003C001E0038000E0078000F0078000F00F0000780F0000780F0000780F000 0780F0000780F0000780F0000780F00007807000070078000F0038000E003C001E001C001C000E0038000700700001C1C000 007F0000> 32 26 -2 0 29.864] 79 @dc [<0010008000003000C000003801C000003801C000007801E000007C03E000007C03E00000F403D00000F607D00000F2079000 01E207880001E30F880001E10F080003C10F040003C10F040003C09E040007809E020007809E020007807C02000F007C0100 0F007C01000F007801001E007800801E007800803E00F801C0FFC7FF0FF0> 40 26 -1 0 39.457] 87 @dc 16 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmr10.1643-34 @sf 0 45 p (source) s 15 r (routing.) s cmr8.1500-13 @sf 316 29 p (12) s 22 r (13) s cmbx10.2160-55 @sf 0 227 p 57 c 69 r (Summary) s cmr10.1643-34 @sf 0 368 p (Along) s 18 r (with) s 18 r (the) s 19 r (emergence) s 18 r (of) s 18 r 118 c 0 r (ery) s 17 r (high) s 18 r (sp) s 2 r (eed) s 18 r (applications) s 18 r (and) s 18 r (media,) s 19 r (resource) s 18 r (managemen) s 0 r 116 c 17 r (has) s 0 425 p 98 c 1 r (ecome) s 14 r 97 c 13 r (critical) s 13 r (issue) s 14 r (in) s 13 r (the) s 14 r (Researc) s -1 r 104 c 13 r (In) s -1 r (ternet) s 13 r (and) s 13 r (in) s 0 r (ternets) s 12 r (in) s 14 r (general.) s 19 r 65 c 14 r (fundamen) s 0 r (tal) s 12 r 99 c 0 r (haracter-) s 0 481 p (istic) s 17 r (of) s 17 r (the) s 17 r (resource) s 17 r (managemen) s 0 r 116 c 16 r (problem) s 17 r (is) s 17 r (allo) s -1 r (wing) s 16 r (administrativ) s 0 r (ely) s 16 r (ADs) s 17 r (to) s 17 r (in) s 0 r (terconnect) s 16 r (while) s 0 537 p (retaining) s 13 r (con) s -1 r (trol) s 12 r 111 c 0 r 118 c -1 r (er) s 11 r (resource) s 13 r (usage.) s 20 r (Ho) s -1 r 119 c -1 r (ev) s -1 r (er,) s 12 r 119 c 0 r 101 c 11 r (ha) s 0 r 118 c -1 r 101 c 12 r (lac) s -1 r 107 c -1 r (ed) s 12 r 97 c 13 r (careful) s 12 r (articulation) s 13 r (of) s 13 r (the) s 13 r 116 c -1 r (yp) s 1 r (es) s 12 r (of) s 0 594 p (resource) s 13 r (managemen) s -1 r 116 c 12 r 112 c 1 r (olicies) s 13 r (that) s 12 r (need) s 13 r (to) s 13 r 98 c 1 r 101 c 12 r (supp) s 2 r (orted.) s 19 r (This) s 13 r (pap) s 1 r (er) s 13 r (addresses) s 12 r 112 c 1 r (olicy) s 13 r (requiremen) s 0 r (ts) s 0 650 p (for) s 15 r (the) s 14 r (Researc) s 0 r 104 c 13 r (In) s 0 r (ternet.) s 19 r (After) s 15 r (justifying) s 14 r (our) s 15 r (assumptions) s 15 r (regarding) s 14 r (AD) s 15 r (top) s 1 r (ology) s 15 r 119 c -1 r 101 c 14 r (presen) s 0 r (ted) s 13 r 97 c 0 707 p (taxonom) s 0 r 121 c 14 r (and) s 15 r (examples) s 15 r (of) s 15 r 112 c 2 r (olicies) s 15 r (that) s 15 r 109 c 0 r (ust) s 14 r 98 c 1 r 101 c 15 r (supp) s 1 r (orted) s 16 r 98 c -1 r 121 c 15 r 97 c 15 r (PR) s 15 r (proto) s 1 r (col.) s cmbx10.2160-55 @sf 0 889 p (10) s 69 r (Ac) s -1 r (kno) s -2 r (wledgmen) s -2 r (ts) s cmr10.1643-34 @sf 0 1030 p (Mem) s 0 r 98 c 0 r (ers) s 17 r (of) s 17 r (the) s 17 r (Autonomous) s 17 r (Net) s 0 r 119 c -1 r (orks) s 16 r (Researc) s 0 r 104 c 16 r (Group) s 17 r (and) s 17 r (Op) s 1 r (en) s 17 r (Routing) s 17 r 87 c -2 r (orking) s 16 r (Group) s 17 r (ha) s 0 r 118 c -2 r 101 c 0 1086 p (con) s 0 r (tributed) s 14 r (signi\014can) s 0 r (tly) s 14 r (to) s 15 r (the) s 15 r (ideas) s 15 r (presen) s 0 r (ted) s 14 r (here,) s 16 r (in) s 15 r (particular,) s 15 r (Guy) s 15 r (Almes,) s 15 r (Lee) s 16 r (Breslau,) s 15 r (Scott) s 0 1143 p (Brim,) s 17 r (Da) s 0 r 118 c -2 r 101 c 16 r (Clark,) s 17 r (Marianne) s 17 r (Lepp,) s 17 r (and) s 16 r (Gene) s 17 r (Tsudik.) s 24 r (In) s 17 r (addition,) s 17 r (Lee) s 16 r (Breslau) s 17 r (and) s 17 r (Gene) s 16 r (Tsudik) s 0 1199 p (pro) s 0 r (vided) s 21 r (detailed) s 23 r (commen) s 0 r (ts) s 21 r (on) s 23 r 97 c 23 r (previous) s 22 r (draft.) s 43 r (Da) s 0 r (vid) s 21 r (Cheriton) s 23 r (inadv) s -1 r (erten) s -1 r (tly) s 22 r (caused) s 22 r (me) s 23 r (to) s 0 1256 p (write) s 17 r (this) s 16 r (do) s 1 r (cumen) s 0 r (t.) s 24 r (Sharon) s 16 r (Anderson's) s 17 r (con) s 0 r (tributions) s 15 r (deserv) s 0 r 101 c 16 r (sp) s 1 r (ecial) s 17 r (recognition.) s 24 r (The) s 17 r (author) s 16 r (is) s 0 1312 p (supp) s 1 r (orted) s 15 r 98 c 0 r 121 c 14 r (researc) s 0 r 104 c 14 r (gran) s 0 r (ts) s 14 r (from) s 15 r (National) s 15 r (Science) s 16 r 70 c -3 r (oundation,) s 14 r 65 c -3 r (T&T,) s 14 r (and) s 15 r (GTE.) s 0 2328 p 780 2 ru cmr6.1500-4 @sf 37 2355 p (12) s cmr9.1500-18 @sf 69 2371 p (Moreo) s 0 r 118 c -1 r (er,) s 14 r (the) s 15 r (source) s 15 r (routing) s 14 r (approac) s 0 r 104 c 14 r (lo) s 1 r (osens) s 15 r (the) s 14 r (requiremen) s 0 r (ts) s 14 r (for) s 15 r (ev) s 0 r (ery) s 13 r (AD) s 15 r (to) s 15 r (share) s 15 r 97 c 14 r (complete) s 15 r (view) s 15 r (of) s 14 r (the) s 0 2416 p (en) s 0 r (tire) s 12 r (in) s 0 r (ternet) s 11 r 98 c 0 r 121 c 12 r (allo) s 0 r (wing) s 12 r (the) s 13 r (source) s 13 r (to) s 12 r (detect) s 13 r (routing) s 13 r (lo) s 1 r (ops.) s cmr6.1500-4 @sf 37 2446 p (13) s cmr9.1500-18 @sf 69 2462 p (The) s 18 r (matc) s 0 r 104 c 16 r 98 c 1 r (et) s 0 r 119 c -1 r (een) s 17 r (RF) s 0 r (C1102) s 16 r (and) s 18 r (the) s 17 r (requiremen) s 0 r (ts) s 17 r (sp) s 1 r (eci\014ed) s 17 r (in) s 18 r (this) s 18 r (do) s 1 r (cumen) s 0 r 116 c 16 r (is) s 18 r (hardly) s 17 r 97 c 18 r (coincidence) s 17 r (since) s 0 2508 p (Clark's) s 17 r (pap) s 1 r (er) s 16 r (and) s 17 r (discussions) s 16 r (with) s 17 r (him) s 17 r (con) s 0 r (tributed) s 15 r (to) s 17 r (the) s 16 r (requiremen) s 0 r (ts) s 16 r (form) s 0 r (ulation) s 15 r (presen) s 0 r (ted) s 16 r (here.) s 28 r (His) s 17 r 119 c 0 r (ork) s 16 r (is) s 0 2553 p (curren) s 0 r (tly) s 12 r 98 c 1 r (eing) s 13 r (ev) s -2 r (aluated) s 12 r (and) s 13 r (re\014ned) s 13 r 98 c 0 r 121 c 12 r (the) s 12 r (ANR) s 0 r 71 c 12 r (and) s 13 r (OR) s -3 r 87 c -1 r (G.) s cmr10.1643-34 @sf 0 2678 p (Estrin) s 1647 r ([P) s -1 r (age) s 14 r (16]) s @eop 15 @bop0 cmr10.1643-34 @sf [<7FE3FE3FF07FE3FE3FF007007007000700700700070070070007007007000700700700070070070007007007000700700700 07007007000700700700070070070007007007000700700700070070070007007007000700700700FFFFFFFF00FFFFFFFF00 0700700000070070000007007000000700700000070070000007007000000700F00F000780F80F0003C0FC0F0001F0FF0F00 007FE7FE00001FC1FC00> 40 32 0 0 37.878] 14 @dc [ 1643 ] /cmsy10.1643-36 @newfont cmsy10.1643-36 @sf [<07E01FF83FFC7FFE7FFEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFE7FFE3FFC1FF807E0> 16 18 -3 -2 22.727] 15 @dc cmbx10.2160-55 @sf [<00FFC00007FFF8000FFFFE001FC07F003F000F807E0007807C0007C0FC0003C0F80003E0F80003E0F80007E0F80007E0F800 1FE0FC007FE07C00FFE07E03FFE03F0FFFC01FBFFFC00FFFFF8003FFFF0003FFFE0007FFFC000FFFF0001FFFFC001FFFFE00 3FFE3F003FF81F003FF01F803FC00F803F000F803E000F803E000F801E001F801E001F000F003F000FC0FE0007FFFC0001FF F800007FC000> 32 39 -3 0 34.370] 56 @dc [ 40 41 -3 0 46.989] 80 @dc [ 40 39 -2 12 38.189] 112 @dc [ 40 42 -3 0 38.189] 104 @dc [ 16 43 -3 0 19.094] 105 @dc cmr10.1643-34 @sf [ 16 45 -3 11 22.727] 47 @dc [<7FE7FE7FE7FE0700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700E00700 E00700E0FFFFE0FFFFE00700E00700E00700E00700E00700E00700E00700E00781E003C1E001F1E000FFE0001FE0> 24 32 0 0 25.252] 13 @dc [<7FE3FF007FE3FF00070070000700700007007000070070000700700007007000070070000700700007007000070070000700 70000700700007007000070070000700700007007000FFFFFF80FFFFFF800700700007007000070070000700700007007000 07007000070070000780F87803C0FC7801F0FE78007FEFF8001FC3F0> 32 32 0 0 26.515] 11 @dc 15 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmr10.1643-34 @sf 114 45 p (is) s 19 r (that) s 20 r (access) s 20 r (to) s 20 r (an) s 19 r (AD) s 20 r (at) s 20 r (an) s 0 r 121 c 19 r 112 c 1 r (oin) s 0 r 116 c 18 r (in) s 20 r (time) s 20 r (is) s 20 r (con) s -1 r (tingen) s -1 r 116 c 19 r (up) s 1 r (on) s 20 r 97 c 20 r (lo) s 1 r (cal,) s 21 r (highly) s 20 r (dynamic,) s 114 102 p (parameter) s 22 r (that) s 22 r (is) s 22 r (not) s 22 r (globally) s 22 r 97 c 0 r 118 c -2 r (ailable.) s 40 r (Therefore) s 22 r (suc) s 0 r 104 c 21 r 97 c 22 r 112 c 1 r (olicy) s 22 r (term) s 23 r (could) s 22 r 119 c -1 r (ell) s 22 r (result) s 114 158 p (in) s 20 r (lo) s 1 r (oping,) s 21 r (oscillations,) s 21 r (and) s 20 r (excessiv) s 0 r 101 c 19 r (route) s 20 r (\(re\)computation) s 20 r 111 c 0 r 118 c -2 r (erhead,) s 21 r 98 c 1 r (oth) s 20 r (unacceptable.) s 114 214 p (Consequen) s -1 r (tly) s -3 r 44 c 19 r (this) s 20 r (is) s 19 r (one) s 20 r 116 c -1 r (yp) s 1 r 101 c 19 r (of) s 20 r 112 c 1 r (olicy) s 19 r (that) s 20 r (routing) s 19 r (exp) s 2 r (erts) s 19 r (suggest) s 20 r 119 c -1 r (ould) s 19 r 98 c 1 r 101 c 20 r (di\016cult) s 19 r (to) s 114 271 p (supp) s 1 r (ort) s 15 r (in) s 15 r 97 c 15 r 118 c 0 r (ery) s 14 r (large) s 15 r (decen) s 0 r (tralized) s 14 r (in) s 0 r (ternet) s -1 r 119 c -2 r (ork.) s cmsy10.1643-36 @sf 68 365 p 15 c cmr10.1643-34 @sf 23 r (Gran) s 0 r (ularit) s -2 r 121 c 18 r (can) s 18 r (also) s 19 r 98 c 1 r 101 c 18 r (problematic,) s 19 r (but) s 19 r (not) s 18 r (as) s 19 r (devistating) s 18 r (as) s 18 r (highly) s 19 r (dynamic) s 18 r (PR) s 19 r (con) s -1 r (tin-) s 114 421 p (gencies.) s 31 r (Here) s 19 r (the) s 19 r (caution) s 18 r (is) s 19 r (less) s 19 r (sp) s 1 r (eci\014c.) s 31 r 86 c -2 r (ery) s 18 r (\014ne) s 18 r (grain) s 19 r 112 c 1 r (olicies,) s 20 r (whic) s 0 r 104 c 18 r (restrict) s 19 r (access) s 18 r (to) s 114 478 p (particular) s 22 r (hosts,) s 23 r (or) s 22 r (are) s 22 r (con) s 0 r (tingen) s -1 r 116 c 21 r (up) s 1 r (on) s 22 r 118 c 0 r (ery) s 20 r (\014ne) s 22 r (grain) s 22 r (user) s 22 r (class) s 22 r (iden) s 0 r (ti\014cation,) s 23 r (ma) s -1 r 121 c 21 r 98 c 2 r 101 c 114 534 p (ac) s -1 r (hiev) s -1 r (ed) s 14 r (more) s 14 r (e\016cien) s 0 r (tly) s 13 r (with) s 15 r (net) s 0 r 119 c -2 r (ork) s 14 r (lev) s -1 r (el) s 14 r (access) s 14 r (con) s 0 r (trol[) s 0 r (11) s 0 r 93 c 14 r (or) s 14 r (end) s 15 r (system) s 14 r (con) s 0 r (trols) s 13 r (instead) s 114 591 p (of) s 15 r (burdening) s 15 r (the) s 15 r (in) s 0 r (ter-AD) s 14 r (routing) s 15 r (mec) s 0 r (hanism.) s cmsy10.1643-36 @sf 68 684 p 15 c cmr10.1643-34 @sf 23 r (Securit) s 0 r 121 c 16 r (is) s 17 r (exp) s 1 r (ensiv) s 0 r (e,) s 17 r (as) s 17 r (alw) s 0 r 97 c -2 r (ys.) s 26 r (Routing) s 17 r (proto) s 1 r (cols) s 17 r (are) s 17 r (sub) s 3 r (ject) s 17 r (to) s 17 r (fraud) s 18 r (through) s 17 r (imp) s 1 r (erson-) s 114 741 p (ation,) s 20 r (data) s 19 r (substitution,) s 19 r (and) s 19 r (denial) s 19 r (of) s 19 r (service.) s 32 r (Some) s 19 r (of) s 19 r (the) s 19 r (prop) s 1 r (osed) s 19 r (mec) s 0 r (hanisms) s 18 r (pro) s 0 r (vide) s 114 797 p (some) s 18 r (means) s 19 r (for) s 18 r (detection) s 19 r (and) s 18 r (non-repudiation.) s 31 r (Ho) s 0 r 119 c -2 r (ev) s -1 r (er,) s 18 r (to) s 19 r (ac) s 0 r (hiev) s -2 r 101 c 18 r 97 c 19 r (priori) s 18 r (prev) s 0 r (en) s -1 r (tion) s 17 r (of) s 114 854 p (resource) s 12 r (misuse) s 13 r (is) s 13 r (exp) s 1 r (ensiv) s 0 r 101 c 11 r (in) s 13 r (terms) s 13 r (of) s 12 r 112 c 1 r (er) s 13 r (connection) s 13 r (or) s 12 r 112 c 2 r (er) s 12 r (pac) s 0 r 107 c -1 r (et) s 11 r (cryptographic) s 13 r 111 c 0 r 118 c -1 r (erhead.) s 114 910 p 70 c -3 r (or) s 15 r (some) s 15 r (en) s 0 r (vironmen) s -1 r (ts) s 15 r 119 c -1 r 101 c 15 r (\014rmly) s 16 r 98 c 1 r (eliev) s 0 r 101 c 15 r (that) s 15 r (this) s 16 r (will) s 16 r 98 c 1 r 101 c 16 r (necessary) s 16 r (and) s 16 r 119 c -1 r 101 c 15 r 119 c 0 r (ould) s 15 r (prefer) s 15 r (an) s 114 967 p (arc) s -1 r (hitecture) s 15 r (that) s 15 r 119 c -1 r (ould) s 15 r (accommo) s 1 r (date) s 15 r (suc) s 0 r 104 c 14 r 118 c -2 r (ariabilit) s -1 r (y[) s 0 r (12) s 0 r (].) s 0 1100 p (In) s 16 r (general,) s 16 r (it) s 16 r (is) s 16 r (di\016cult) s 15 r (to) s 16 r (predict) s 16 r (the) s 16 r (impact) s 16 r (of) s 16 r (an) s -1 r 121 c 15 r (particular) s 16 r 112 c 1 r (olicy) s 16 r (term.) s 22 r 84 c -2 r 111 c 0 r (ols) s 16 r (will) s 16 r 98 c 1 r 101 c 16 r (needed) s 0 1156 p (to) s 15 r (assist) s 15 r 112 c 2 r (eople) s 15 r (in) s 15 r (writing) s 15 r (and) s 15 r 118 c -1 r (alidating) s 14 r 112 c 1 r (olicy) s 15 r (terms.) s cmbx10.2160-55 @sf 0 1338 p 56 c 69 r (Prop) s 2 r (osed) s 23 r (mec) s -1 r (hanisms) s cmr10.1643-34 @sf 0 1479 p (Previous) s 22 r (routing) s 22 r (proto) s 1 r (cols) s 22 r (ha) s 0 r 118 c -1 r 101 c 20 r (addressed) s 22 r 97 c 22 r (narro) s 0 r 119 c -1 r (er) s 21 r (de\014nition) s 22 r (of) s 22 r (PR,) s 22 r (as) s 22 r (appropriate) s 21 r (for) s 22 r (the) s 0 1535 p (in) s 0 r (ternets) s 14 r (of) s 16 r (their) s 16 r (da) s -1 r 121 c -4 r 46 c 21 r (In) s 16 r (particular,) s 15 r (EGP[) s 0 r 51 c 0 r (],) s 16 r (DGP[) s 0 r (13) s 0 r (],) s 16 r (and) s 15 r (BGP[) s 0 r 54 c 0 r 93 c 16 r (incorp) s 1 r (orate) s 16 r 97 c 15 r (notion) s 16 r (of) s 15 r 112 c 2 r (olicy) s 0 1592 p (restrictions) s 14 r (as) s 15 r (to) s 14 r (where) s 15 r (routing) s 14 r (database) s 15 r (information) s 14 r (tra) s 0 r 118 c -1 r (els.) s 19 r (None) s 14 r (are) s 15 r (in) s -1 r (tended) s 14 r (to) s 14 r (supp) s 2 r (ort) s 14 r 112 c 1 r (olicy) s 0 1648 p (based) s 11 r (routing) s 11 r (of) s 11 r (pac) s 0 r 107 c -2 r (ets) s 10 r (as) s 11 r (describ) s 1 r (ed) s 11 r (here.) s 19 r (More) s 11 r (recen) s 0 r 116 c 10 r (routing) s 11 r (prop) s 1 r (osals) s 11 r (suc) s 0 r 104 c 10 r (as) s 11 r (Landmark[) s 0 r (14) s 0 r 93 c 10 r (and) s 0 1705 p (Cartesian[) s (15) s 93 c 15 r (could) s 15 r 98 c 1 r 101 c 15 r (used) s 15 r (to) s 14 r (restrict) s 15 r (pac) s 0 r 107 c -1 r (et) s 13 r (forw) s 0 r (arding) s 14 r (but) s 15 r (are) s 15 r (not) s 14 r (suited) s 15 r (to) s 15 r (source/destination,) s 0 1761 p (and) s 20 r (some) s 19 r (of) s 20 r (the) s 19 r (condition-orien) s 0 r (ted,) s 20 r 112 c 1 r (olicies.) s 33 r 87 c -2 r 101 c 18 r (feel) s 20 r (these) s 19 r 112 c 2 r (olicy) s 19 r 116 c 0 r (yp) s 0 r (es) s 20 r (are) s 19 r (critical) s 20 r (to) s 20 r (supp) s 1 r (ort.) s 0 1818 p 87 c -3 r 101 c 13 r (note) s 14 r (that) s 13 r (for) s 14 r (en) s 0 r (vironmen) s -2 r (ts) s 13 r (\(e.g.,) s 14 r (within) s 14 r (an) s 14 r (AD) s 13 r (substructure\)) s 14 r (in) s 14 r (whic) s -1 r 104 c 13 r (the) s 14 r (simple-AD-top) s 1 r (ology) s 0 1874 p (conjecture) s 15 r (holds) s 15 r (true,) s 15 r (these) s 16 r (alternativ) s -1 r (es) s 14 r (ma) s 0 r 121 c 14 r 98 c 2 r 101 c 15 r (suitable.) s 71 1970 p (RF) s -1 r 67 c 17 r (1104[) s 0 r 53 c 0 r 93 c 18 r (pro) s -1 r (vides) s 17 r 97 c 17 r (go) s 2 r 111 c 1 r 100 c 18 r (description) s 17 r (of) s 18 r (shorter) s 17 r (term) s 18 r 112 c 1 r (olicy) s 18 r (routing) s 18 r (requiremen) s -1 r (ts.) s 27 r (Braun) s 0 2026 p (classi\014es) s 18 r (three) s 17 r 116 c 0 r (yp) s 0 r (es) s 18 r (of) s 18 r (mec) s 0 r (hanisms,) s 17 r 112 c 1 r (olicy) s 18 r (based) s 18 r (distribution) s 17 r (of) s 18 r (route) s 18 r (information,) s 18 r 112 c 1 r (olicy) s 18 r (based) s 0 2083 p (pac) s 0 r 107 c -2 r (et) s 19 r (forw) s -1 r (arding,) s 20 r (and) s 19 r 112 c 1 r (olicy) s 19 r (based) s 19 r (dynamic) s 20 r (allo) s 1 r (cation) s 19 r (of) s 19 r (net) s 0 r 119 c -1 r (ork) s 18 r (resources.) s 32 r (The) s 20 r (second) s 19 r (class) s 0 2139 p (is) s 17 r 99 c 0 r (haracterized) s 16 r 98 c 0 r 121 c 16 r (Da) s 0 r 118 c -2 r 101 c 16 r (Clark's) s 18 r (PR) s 17 r (arc) s -1 r (hitecture,) s 17 r (RF) s 0 r 67 c 16 r (1102[) s 0 r 52 c 0 r (].) s 26 r (With) s 17 r (resp) s 2 r (ect) s 17 r (to) s 17 r (the) s 17 r (longer) s 17 r (term) s 0 2196 p (requiremen) s 0 r (ts) s 14 r (laid) s 16 r (out) s 15 r (in) s 15 r (this) s 16 r (do) s 1 r (cumen) s 0 r (t,) s 14 r (only) s 16 r (this) s 15 r (second) s 16 r (class) s 15 r (is) s 15 r (expressiv) s 0 r 101 c 15 r (and) s 15 r (\015exible) s 15 r (enough) s 16 r (to) s 0 2252 p (supp) s 1 r (ort) s 14 r (the) s 13 r 109 c 0 r (ultiplicit) s -1 r 121 c 12 r (of) s 13 r (stub) s 14 r (and) s 13 r (transit) s 13 r 112 c 2 r (olicies.) s 19 r (In) s 14 r (other) s 13 r 119 c 0 r (ords,) s 13 r (the) s 13 r 112 c 1 r 111 c 0 r 119 c -1 r (er) s 12 r (of) s 13 r (the) s 14 r (PR) s 13 r (approac) s 0 r 104 c 0 2308 p (\(e.g.,) s 22 r (RF) s 0 r (C1102\)) s 19 r (is) s 21 r (not) s 20 r (just) s 21 r (in) s 20 r (the) s 21 r (added) s 20 r (gran) s 0 r (ularit) s -1 r 121 c 19 r (of) s 21 r (con) s -1 r (trol) s 20 r 112 c 1 r (oin) s 0 r (ted) s 19 r (out) s 21 r 98 c 0 r 121 c 19 r (Braun,) s 22 r (i.e.,) s 22 r (the) s 0 2365 p (abilit) s 0 r 121 c 12 r (to) s 13 r (sp) s 1 r (ecify) s 14 r (particular) s 13 r (hosts) s 13 r (and) s 13 r (user) s 13 r (classes.) s 20 r (Its) s 13 r 112 c 1 r 111 c 0 r 119 c -1 r (er) s 12 r (is) s 13 r (in) s 13 r (the) s 14 r (abilit) s -1 r 121 c 12 r (to) s 14 r (express) s 13 r (and) s 13 r (enforce) s 0 2421 p (man) s 0 r 121 c 13 r 116 c -1 r (yp) s 1 r (es) s 13 r (of) s 14 r (stub) s 14 r (and) s 14 r (transit) s 14 r 112 c 1 r (olicies) s 14 r (and) s 13 r (apply) s 14 r (them) s 14 r (on) s 14 r 97 c 14 r (discriminatory) s 13 r (basis) s 14 r (to) s 14 r (di\013eren) s 0 r 116 c 13 r (ADs.) s 0 2478 p (In) s 17 r (addition,) s 16 r (this) s 17 r (approac) s 0 r 104 c 15 r (pro) s 0 r (vides) s 16 r (explicit) s 16 r (supp) s 1 r (ort) s 17 r (for) s 16 r (stub) s 17 r (ADs) s 17 r (to) s 16 r (con) s 0 r (trol) s 15 r (routes) s 17 r (via) s 16 r (the) s 17 r (use) s 16 r (of) s 0 2678 p (Estrin) s 1647 r ([P) s -1 r (age) s 14 r (15]) s @eop 14 @bop0 cmbx10.1643-39 @sf [ 32 31 -2 0 37.183] 66 @dc [ 1643 ] /cmmi10.1643-35 @newfont cmmi10.1643-35 @sf [<000007F0FFFC0FF87FFC1F1C07C03F0E03C03F0603C03E0603E03E0001E03E0001E01E0001E01E0001F01E0000F01E0000F0 0E0000F00E0000F81E0000783C00007FFC00007FFF00007C0F80003C03E0003C01F0003C00F8003E00F8001E007C001E007C 001E007C001F007C000F007C000F0078000F01F000FFFFE000FFFF80> 32 32 -2 1 34.512] 82 @dc [<0FE01FFC3C3E780F7003F000F000F000F000F8007FE07FF8783E7C0E3C071E030F0307C703FE00FC> 16 20 -2 0 21.164] 101 @dc [<7FC000FFF000F87800783C00701E00000E00000F00000F0000070003E70007FF800F1F800E0F801E07801E03C01E03C01E01 C01E01C01F01E00F01E00F00E00F00E00780F00780F003C0F001E1F000F1F8007FF8001F38> 24 29 0 9 21.680] 103 @dc [<0F801FC01CE01C701C301C301E380E000F000700070007800380E3C061C061C071C039C01FC00F8000000000000000000000 0000000000F000F000F00070> 16 31 -1 0 15.659] 105 @dc [<0FC0003FF8003C7C00781E00700F00F00780F00780F003C0F003C0F803E07803E07801E07801E03C01E03C01E01E01C00F03 C007C78003FF80007E00> 24 20 -2 0 22.032] 111 @dc [<1C00F8001E01FC001E03CE000E0387000E03C3000F01C3000F01C3800701E0000700E0000780E0000780F0000380700003C0 7000E3C0700063E0780061E0380071F0780033FC70003F9FF0001F07E000> 32 20 -1 0 27.283] 110 @dc [<1F07C03FCFE078FE60707C70F03C30F01E30F01E38F00E00F00E00F80F00780F007807007807003C07803C07801E07800F0F 80078FC003FFC000F9C0> 24 20 -2 0 24.026] 97 @dc [<3C007E00F700E300E300F380F1807000700078007800380038003C003C001C001C001E001E000E000E000F000F0007000700 07800780038003801FC01FC003C0> 16 32 -2 0 13.562] 108 @dc [ 32 31 -2 0 34.477] 66 @dc cmsy10.1643-36 @sf [<018001C001800180C183E187F99F7DBE1FF807E007E01FF87DBEF99FE187C1830180018001C00180> 16 20 -3 -1 22.727] 3 @dc cmmi10.1643-35 @sf [<60F07038181C0C0C0C7CFCFCF870> 8 14 -4 9 12.626] 59 @dc cmsy10.1643-36 @sf [<001F007F00F801E001E001C001C001C001C001C001C001C001C001C001C001C001C001C003C003800F80FE00F800FE000F80 038003C001C001C001C001C001C001C001C001C001C001C001C001C001C001E001E000F8007F001F> 16 45 -3 11 22.727] 102 @dc cmmi10.1643-35 @sf [ 32 31 -2 0 29.229] 70 @dc [ 16 45 -3 11 22.727] 61 @dc [<07E000001FF800003C3C0000780F000070070000F0038000F001C000F000C000F000E000F0006000F8006000780070007800 3000780030007C0030007C0038003C0018003C0018003E0018003E001C001E000C001E000C001F000C001F000E000F000600 0F0006000F8006000F8007000780030007C007C07FFC3FF87FFC3FF8> 32 32 -4 1 31.035] 85 @dc cmsy10.1643-36 @sf [ 16 45 -3 11 22.727] 103 @dc cmmi10.1643-35 @sf [<00FF000003FFC0000FC1F0001F0078003E001C003C000E007C0007007800030078000380F8000180F8000180F80001C0F800 0000F8000000FC0000007C0000007C0000007C0000007E0000003E0000003E0000301F0000301F0000300F8000380F800038 07C0003803E0003801F0007C00F8007C007E00FC001FC3DC0007FF8E0000FE06> 32 33 -2 1 32.487] 67 @dc [<0FE03FFC7C3E780FF003F000F000F000F000F8007800780078003C043C0F1E0F0F0F07C703FE00FC> 16 20 -2 0 19.670] 99 @dc [<01F0F803FDFC079FCC07078E0707860703C60703C70701C00701C00781E00381E00380E003C0E0E1C0F061C0F061E07070E0 7039E0781FC0780F8038> 24 20 -1 0 26.020] 117 @dc [<0F801FC03CE0387038303C303C381C001C001E001E000E000E000F000F00070007000780FFF8FFF8038003C003C001C001C0 01E001E000E0> 16 28 -1 0 16.414] 116 @dc [ 24 32 -2 0 26.188] 104 @dc [<1F07C03FCFE078FE60707C70F03C30F01E30F01E38F00E00F00E00F80F00780F007807007807003C07803C07801E07800F0F 80078FC003FFC000F9C00001C00001E00001E00000E00000E00000F00000F00000700000700003F80003F8000078> 24 32 -2 0 23.658] 100 @dc [ 24 31 -1 0 19.981] 73 @dc [ 24 29 1 9 22.869] 112 @dc [<1C00001E00001E00000E00000E00000F00000F0000070000070000078000078000038000038000E3C38063C3C061E3C071F3 C033F9C03FBF801F0F00> 24 20 -1 0 20.507] 114 @dc cmsy10.1643-36 @sf [ 32 2 -4 -10 35.353] 0 @dc cmmi10.1643-35 @sf [ 24 32 -2 0 23.663] 107 @dc cmbx10.1643-39 @sf [<01FE0007FF801F87C01F03E03E01F07C01F87C01F87C01F8FC01F8FC01F8FC01F8FC01F8FE01F8FE01F0FF03F0FF83E0FFFF C0FCFF80FC10007C00007C01E07E03F03E03F03E03F01F03F00F81F007E0E001FFC0007F80> 24 29 -2 0 26.136] 54 @dc [<7CFEFEFEFEFE7C> 8 7 -4 0 14.520] 46 @dc [<03FE001FFF803E0FE07E07E0FF07F0FF03F8FF03F8FF03F8FF03F87E03F83C03F80003F00007F00007E0001F8001FE0001FE 00003F00001F801F0FC03F8FE03F8FE03F87E03F87E03F87E01F0FE01F1FC00FFF8003FC00> 24 29 -2 0 26.136] 51 @dc cmr10.1643-34 @sf [<40E07030303818181878F8F8F8700000000000000000000070F8F8F870> 8 29 -4 9 12.626] 59 @dc cmbx10.2160-55 @sf [<0078000000FC000001FE000001FE000001FE000001FE000001FE000001FE000001FE000001FE000000FE000000FE000000FE 000000FE0000007E0000007E0000003F0000003F0000003F0000001F0000000F0000000F8000000780000007C0000003C000 E001E000E000F000E00070007000780070003C0070001E007FFFFF007FFFFF807FFFFF807FFFFFC03FFFFFE03FFFFFF03FFF FFF03FFFFFF03E00000038000000> 32 41 -4 0 34.370] 55 @dc [<0E03FE00000F0FFFC0000F9E0FE0000FF803F8000FF001FC000FF000FE000FE000FE000FE000FF000FE0007F000FE0007F80 0FE0007F800FE0007F800FE0007F800FE0007F800FE0007F800FE0007F800FE0007F800FE0007F800FE0007F000FE0007F00 0FE000FE000FE000FE000FF001FC000FFC03F8000FFF07F0000FEFFFC0000FE3FE00000FE00000000FE00000000FE0000000 0FE00000000FE00000000FE00000000FE00000000FE00000000FE00000000FE00000000FE00000000FE0000000FFE0000000 FFE0000000FFE0000000> 40 42 -2 0 38.189] 98 @dc [<00003FFF8000003FFF8000003FFF80000003F800000003F800000003F800000003F800000003F800000003F800000003F800 000003F800000003F800003FC3F80001FFF3F80007F87FF8000FE01FF8001FC00FF8003FC007F8003F8003F8007F8003F800 7F8003F800FF0003F800FF0003F800FF0003F800FF0003F800FF0003F800FF0003F800FF0003F800FF0003F800FF0003F800 7F8003F8007F8003F8003F8007F8003FC007F8001FE00FF8000FF01FF80003F87CF80001FFF87800003FE03800> 40 39 -2 12 36.280] 113 @dc cmr10.1643-34 @sf [<381C7C3EFC7EFC7EF87CC060C060C060E07060307038381C3C1E180C> 16 14 -5 -18 22.727] 92 @dc [<6030F0787038381C180C1C0E0C060C060C067C3EFC7EFC7EF87C7038> 16 14 -2 -18 22.727] 34 @dc 14 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx10.1643-39 @sf 0 45 p (Regional) s 17 r 66 c cmr10.1643-34 @sf 56 176 p (1.) s 22 r (Regional) s 14 r 66 c 13 r (will) s 13 r (carry) s 14 r (tra\016c) s 13 r (from/to) s 14 r (an) s -1 r 121 c 13 r (directly) s 13 r (connected) s 13 r (F/Re/U) s 14 r (net) s 0 r 119 c -2 r (ork) s 13 r (to) s 13 r (an) s 0 r 121 c 12 r (F/Re/U) s 114 233 p (net) s -1 r 119 c -1 r (ork) s 16 r (via) s 16 r 97 c 17 r (commercial) s 16 r (carrier) s 17 r (regardless) s 16 r (of) s 17 r (its) s 16 r (UCI.) s 17 r (In) s 16 r (this) s 17 r (case) s 16 r (the) s 17 r (pac) s 0 r 107 c -2 r (ets) s 16 r (are) s 16 r 99 c 0 r (harged) s 114 289 p (for) s 15 r (since) s 15 r (the) s 15 r (commercial) s 15 r (carrier) s 15 r 99 c 0 r (harges) s 14 r 112 c 2 r (er) s 15 r (kilopac) s -1 r 107 c -1 r (et.) s 114 364 p 91 c cmmi10.1643-35 @sf 0 r 82 c 0 r (eg) s 2 r (ional) s 1 r 66 c cmr10.1643-34 @sf 14 r 58 c 13 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 3 r (=R) s 1 r (e=U) s cmsy10.1643-36 @sf 5 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r (e=U) s cmsy10.1643-36 @sf 5 r 103 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r (e=U) s cmsy10.1643-36 @sf 5 r 103 c cmmi10.1643-35 @sf 0 r 59 c 8 r 67 c 3 r 99 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r (fg) s 114 420 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticatedU) s 5 r 67 c 3 r 73 c 3 r 59 c 8 r (per) s cmsy10.1643-36 @sf 11 r 0 c cmmi10.1643-35 @sf 10 r 107 c 2 r (il) s 1 r (opack) s 1 r (etchar) s 1 r 103 c 2 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c cmbx10.1643-39 @sf 0 579 p (6.3.3) s 52 r (Campus) s 18 r (and) s 17 r (Priv) s -2 r (ate) s 17 r (Net) s -1 r 119 c -1 r (orks) s cmr10.1643-34 @sf 0 704 p (Similar) s 13 r (in) s 0 r (terviews) s 12 r (should) s 13 r 98 c 2 r 101 c 13 r (conducted) s 13 r (with) s 13 r (administrators) s 13 r (of) s 14 r (campus) s 13 r (and) s 13 r (priv) s -1 r (ate) s 12 r (net) s 0 r 119 c -2 r (orks.) s 19 r (Ho) s 0 r (w-) s 0 761 p (ev) s 0 r (er,) s 15 r (man) s 0 r 121 c 16 r (asp) s 1 r (ects) s 16 r (of) s 17 r (their) s 16 r 112 c 1 r (olicies) s 17 r (are) s 16 r (con) s 0 r (tingen) s -1 r 116 c 15 r (on) s 17 r (the) s 16 r (still) s 17 r (unresolv) s -1 r (ed) s 16 r 112 c 1 r (olicies) s 16 r (of) s 17 r (the) s 16 r (regionals) s 0 817 p (and) s 14 r (federal) s 14 r (agencies.) s 20 r (In) s 14 r (an) s 0 r 121 c 13 r (ev) s 0 r (en) s -1 r (t,) s 13 r (transit) s 14 r 112 c 1 r (olicies) s 15 r (will) s 14 r 98 c 1 r 101 c 14 r (critical) s 14 r (for) s 14 r (campus) s 15 r (and) s 14 r (priv) s -2 r (ate) s 13 r (net) s 0 r 119 c -1 r (orks) s 0 874 p (to) s 13 r (\015exibly) s 13 r (con) s 0 r (trol) s 12 r (access) s 14 r (to) s 13 r (lateral) s 13 r (links) s 13 r (and) s 14 r (priv) s -2 r (ate) s 12 r (wide) s 14 r (area) s 13 r (net) s 0 r 119 c -2 r (orks,) s 13 r (resp) s 1 r (ectiv) s 0 r (ely) s -4 r 46 c 19 r 70 c -3 r (or) s 12 r (example,) s 0 930 p 97 c 19 r (small) s 19 r (set) s 19 r (of) s 19 r (univ) s 0 r (ersit) s -1 r 121 c 18 r (and) s 19 r (priv) s -2 r (ate) s 18 r (lab) s 1 r (oratories) s 20 r (ma) s -1 r 121 c 18 r (pro) s 0 r (vide) s 18 r (access) s 19 r (to) s 19 r (sp) s 1 r (ecial) s 19 r (gigabit) s 20 r (links) s 19 r (for) s 0 986 p (particular) s 13 r (classes) s 13 r (of) s 14 r (researc) s -1 r (hers.) s 19 r (On) s 13 r (the) s 14 r (other) s 13 r (hand,) s 13 r (source/destination) s 14 r 112 c 1 r (olicies) s 13 r (should) s 13 r (not) s 14 r 98 c 1 r 101 c 13 r (used) s 0 1043 p (in) s 15 r (place) s 15 r (of) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (lev) s 0 r (el) s 14 r (access) s 15 r (con) s 0 r (trols) s 14 r (for) s 15 r (these) s 15 r (end) s 15 r (ADs.) s cmbx10.1643-39 @sf 0 1202 p (6.3.4) s 52 r (Commercial) s 18 r (Services) s cmr10.1643-34 @sf 0 1327 p (Curren) s 0 r (tly) s 17 r (commercial) s 19 r (comm) s 0 r (unication) s 18 r (services) s 18 r (pla) s 0 r 121 c 18 r 97 c 18 r (lo) s 0 r 119 c 18 r (lev) s 0 r (el) s 17 r (role) s 19 r (in) s 19 r (most) s 18 r (parts) s 19 r (of) s 19 r (to) s 1 r (da) s 0 r (y's) s 17 r (Re-) s 0 1383 p (searc) s 0 r 104 c 18 r (In) s -1 r (ternet;) s 20 r (they) s 19 r (pro) s 0 r (vide) s 18 r (the) s 19 r (transmission) s 19 r (media,) s 20 r (i.e.,) s 20 r (leased) s 19 r (lines.) s 32 r (In) s 19 r (the) s 19 r (future) s 19 r 119 c -1 r 101 c 18 r (exp) s 2 r (ect) s 0 1440 p (commercial) s 16 r (carriers) s 17 r (to) s 16 r (pro) s 0 r (vide) s 15 r (increasingly) s 16 r (higher) s 17 r (lev) s -1 r (el) s 16 r (and) s 16 r (enhanced) s 16 r (services) s 17 r (suc) s 0 r 104 c 15 r (as) s 16 r (high) s 17 r (sp) s 1 r (eed) s 0 1496 p (pac) s 0 r 107 c -2 r (et) s 13 r (switc) s 0 r (hed) s 13 r (bac) s 0 r (kb) s 0 r (one) s 14 r (services.) s 20 r (Because) s 13 r (suc) s 0 r 104 c 13 r (services) s 14 r (are) s 14 r (not) s 13 r 121 c 0 r (et) s 13 r (part) s 14 r (of) s 14 r (the) s 14 r (Researc) s -1 r 104 c 13 r (In) s 0 r (ternet) s 0 1553 p (infrastructure) s 15 r (there) s 15 r (exist) s 15 r (no) s 16 r 112 c 1 r (olicy) s 15 r (statemen) s 0 r (ts.) s 71 1648 p (Charging) s 14 r (and) s 14 r (accoun) s 0 r (ting) s 13 r (are) s 14 r (certain) s 15 r (to) s 14 r 98 c 1 r 101 c 14 r (an) s 15 r (imp) s 1 r (ortan) s 0 r 116 c 13 r 112 c 1 r (olicy) s 15 r 116 c -1 r (yp) s 1 r 101 c 14 r (in) s 14 r (this) s 14 r (con) s 0 r (text.) s 19 r (Moreo) s 0 r 118 c -2 r (er,) s 0 1705 p 119 c 0 r 101 c 13 r (an) s 0 r (ticipate) s 14 r (the) s 14 r (long) s 15 r (haul) s 15 r (services) s 14 r (mark) s 0 r (et) s 14 r (to) s 14 r 98 c 1 r 101 c 15 r (highly) s 15 r (comp) s 1 r (etitiv) s 0 r (e.) s 19 r (This) s 14 r (implies) s 15 r (that) s 15 r (comp) s 1 r (eting) s 0 1761 p (service) s 18 r (pro) s 0 r (viders) s 17 r (will) s 19 r (engage) s 18 r (in) s 19 r (signi\014can) s -1 r 116 c 18 r (gaming) s 18 r (in) s 18 r (terms) s 19 r (of) s 18 r (pac) s 0 r 107 c -3 r (aging) s 18 r (and) s 18 r (pricing) s 18 r (of) s 19 r (services.) s 0 1817 p (Consequen) s 0 r (tly) s -4 r 44 c 15 r (the) s 15 r (abilit) s 0 r 121 c 14 r (to) s 16 r (express) s 15 r 118 c -1 r (aried) s 14 r (and) s 16 r (dynamic) s 15 r 99 c 0 r (harging) s 14 r 112 c 2 r (olicies) s 15 r (will) s 16 r 98 c 1 r 101 c 15 r (critical) s 16 r (for) s 15 r (these) s 0 1874 p (ADs.) s cmbx10.2160-55 @sf 0 2056 p 55 c 69 r (Problematic) s 23 r (requiremen) s -1 r (ts) s cmr10.1643-34 @sf 0 2197 p (Most) s 16 r (of) s 16 r (this) s 16 r (pap) s 2 r (er) s 16 r (has) s 16 r (lobbied) s 16 r (for) s 16 r (articulation) s 16 r (of) s 17 r (relativ) s -1 r (ely) s 15 r (detailed) s 17 r 112 c 1 r (olicy) s 16 r (statemen) s 0 r (ts) s 15 r (in) s 16 r (order) s 16 r (to) s 0 2253 p (help) s 12 r (de\014ne) s 13 r (the) s 12 r (tec) s 0 r (hnical) s 12 r (mec) s -1 r (hanisms) s 12 r (needed) s 12 r (for) s 13 r (enforcemen) s -1 r (t.) s 19 r 87 c -3 r 101 c 11 r (promoted) s 13 r 97 c 12 r (top) s 13 r (do) s -1 r (wn) s 12 r (design) s 12 r (pro-) s 0 2309 p (cess) s 12 r 98 c 2 r (eginning) s 12 r (with) s 12 r (articulation) s 12 r (of) s 13 r (desired) s 12 r 112 c 1 r (olicies.) s 19 r (No) s 0 r 119 c 12 r 119 c -1 r 101 c 12 r (feel) s 12 r (comp) s 1 r (elled) s 12 r (to) s 13 r (men) s -1 r (tion) s 12 r (requiremen) s -1 r (ts) s 0 2366 p (that) s 15 r (are) s 15 r (clearly) s 15 r (problematic) s 16 r (from) s 15 r (the) s 15 r 98 c 1 r (ottom) s 15 r (up) s 15 r 112 c 2 r (ersp) s 1 r (ectiv) s 0 r 101 c 14 r (of) s 15 r (tec) s 0 r (hnical) s 14 r (feasibilit) s 0 r 121 c -4 r 46 c cmsy10.1643-36 @sf 68 2497 p 15 c cmr10.1643-34 @sf 23 r (Non-in) s 0 r (terference) s 16 r 112 c 1 r (olicies) s 18 r (are) s 17 r (of) s 18 r (the) s 17 r (form) s 18 r (\\I) s 17 r (will) s 17 r (pro) s 0 r (vide) s 17 r (access) s 17 r (for) s 17 r (principals) s 18 r 120 c 17 r (to) s 18 r (resources) s 114 2554 p 121 c 17 r (so) s 18 r (long) s 18 r (as) s 17 r (it) s 18 r (do) s 1 r (es) s 18 r (not) s 18 r (in) s -1 r (terfere) s 17 r (with) s 18 r 109 c -1 r 121 c 17 r (in) s 0 r (ternal) s 16 r (usage.") s 28 r (The) s 18 r (problem) s 17 r (with) s 18 r (suc) s 0 r 104 c 17 r 112 c 1 r (olicies) s 0 2678 p (Estrin) s 1647 r ([P) s -1 r (age) s 14 r (14]) s @eop 13 @bop0 cmbx10.1643-39 @sf [ 40 31 -2 0 40.087] 68 @dc [<1FC07FF0FCF8FC7CFC7EFC3E783E003E003E003E003E003E003E003E003E003E003E003E003E003E003E003E003E003E003E 003E003E01FE01FE000000000000000000000000007C00FE00FE00FE00FE00FE007C> 16 42 3 9 15.972] 106 @dc [<0038007000E001C003C0078007000F001E001E003C003C003C007800780078007800F800F000F000F000F000F000F000F000 F000F000F80078007800780078003C003C003C001E001E000F000700078003C001C000E000700038> 16 45 -3 11 20.328] 40 @dc [ 16 45 -3 11 20.328] 41 @dc cmmi10.1643-35 @sf [ 40 31 -2 0 37.632] 68 @dc [ 32 32 -2 0 34.090] 65 @dc [ 32 31 -2 0 29.182] 80 @dc [<1FE07FF8F07CF01EF00EF00E700F000F003F03FE07FE07F80F800F00070F070F078F03C701FE00FC> 16 20 -2 0 21.306] 115 @dc cmr10.1643-34 @sf [<70F8F8F870000000000070707070707070707070707070F8F8F8F8F8F8F8F8F870> 8 33 -4 0 12.626] 33 @dc cmmi10.1643-35 @sf [<7E00007F0000FB80007B800071C00001C00001E00000E00000E00000E00000F0000070000070000070000070000078000038 00003800003800003800003800003C00001C00001C00001C00001C00001E0001FFF000FFF0000E00000E00000F0000070000 070000070000070000079E00039E0003DE0001FE0000FC> 24 41 -2 9 22.253] 102 @dc [<1F003FC071E070F0E078E03CE03CE01EE01EF01F701F700F700F780F780F3C0F3E0E3F1E3FFC1CF81C001E001E000E000E00 0F000F00070007003F803F800780> 16 32 -2 0 19.507] 98 @dc [<1C01C007C01E01E00FE01E01E01E700E00E01C380E00E01E180F00F00E180F00F00E1C0700700F0007007007000780780700 0780780780038038038003C03C0380E3C03C038063E03E03C061F01F01C071F83F83C033FC3BC3803F8FF8FF801F07F07F00> 40 20 -1 0 39.909] 109 @dc [ 40 31 -2 0 36.521] 78 @dc [ 32 33 -3 1 27.872] 83 @dc 13 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx10.1643-39 @sf 0 45 p (Defense) s 17 r (Adv) s -1 r (anced) s 16 r (Researc) s -1 r 104 c 17 r (Pro) s 3 r (jects) s 17 r (Agency) s 18 r (\(D) s -1 r (ARP) s -4 r (A\)) s cmr10.1643-34 @sf 56 178 p (1.) s 22 r 68 c 0 r (ARP) s -4 r 65 c 16 r (will) s 16 r (carry) s 17 r (tra\016c) s 16 r (to/from) s 17 r (an) s -1 r 121 c 16 r (host) s 16 r (in) s 17 r 68 c 0 r (ARP) s -4 r 65 c 15 r (AD) s 17 r (from) s 16 r (an) s 0 r 121 c 16 r (external) s 16 r (host) s 17 r (that) s 16 r (can) s 114 235 p (get) s 20 r (it) s 20 r (there) s 20 r (so) s 21 r (long) s 20 r (as) s 20 r (UCI) s 20 r (is) s 21 r (researc) s -1 r 104 c 20 r (or) s 20 r (supp) s 1 r (ort.) s 36 r (No) s 20 r (UCI) s 20 r (authen) s 0 r (tication) s 19 r (or) s 20 r 112 c 2 r (er) s 20 r (pac) s 0 r 107 c -2 r (et) s 114 291 p 99 c -1 r (harge.) s 114 366 p 91 c cmmi10.1643-35 @sf 0 r 68 c 1 r (AR) s 0 r 80 c 7 r 65 c cmr10.1643-34 @sf 0 r 49 c 12 r 58 c 13 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 3 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c 8 r 68 c 1 r (AR) s 0 r 80 c 6 r (A;) s cmsy10.1643-36 @sf 8 r 0 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 114 c 1 r (esear) s 2 r (ch;) s 7 r (suppor) s 1 r 116 c cmsy10.1643-36 @sf 0 r 103 c 114 423 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticated) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r 85 c 5 r 67 c 3 r 73 c 4 r 59 c 7 r (noper) s 1 r (pack) s 2 r (etchar) s 1 r 103 c 2 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c 56 516 p (2.) s 22 r 68 c 0 r (ARP) s -4 r 65 c 10 r (will) s 11 r (carry) s 11 r (tra\016c) s 11 r (for) s 11 r (an) s 0 r 121 c 10 r (host) s 11 r (connected) s 11 r (to) s 11 r 97 c 10 r (F/Re/U/Co) s 11 r (net) s 0 r 119 c -1 r (ork) s 10 r (talking) s 11 r (to) s 11 r (an) s -1 r 121 c 10 r (other) s 114 573 p (host) s 12 r (connected) s 13 r (to) s 13 r 97 c 13 r (F/Re/U/Co) s 13 r (via) s 12 r (an) s 0 r 121 c 12 r (F/Re/U/Co) s 13 r (en) s 0 r (try) s 11 r (and) s 13 r (exit) s 13 r (net) s 0 r 119 c -2 r (ork,) s 13 r (so) s 13 r (long) s 12 r (as) s 13 r (there) s 114 629 p (is) s 15 r (it) s 15 r (is) s 16 r 98 c 1 r (eing) s 15 r (used) s 15 r (for) s 16 r (researc) s -1 r 104 c 15 r (or) s 15 r (supp) s 1 r (ort,) s 16 r (and) s 15 r (the) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (is) s 15 r (not) s 16 r (hea) s -1 r (vily) s 15 r (congested!!.) s 20 r (There) s 114 686 p (is) s 14 r (no) s 14 r (authen) s 0 r (tication) s 14 r (of) s 14 r (the) s 14 r (UCI) s 15 r (and) s 14 r (no) s 14 r 112 c 2 r (er) s 14 r (pac) s 0 r 107 c -1 r (et) s 13 r 99 c 0 r (harging.) s 19 r (NOTE:) s 14 r (Darpa) s 14 r 119 c 0 r (ould) s 14 r (lik) s -1 r 101 c 14 r (to) s 14 r (sa) s 0 r 121 c 114 742 p (something) s 13 r (ab) s 1 r (out) s 14 r (the) s 14 r (need) s 13 r (to) s 14 r (en) s 0 r (ter) s 12 r (the) s 14 r (Darpa) s 13 r (AD) s 14 r (at) s 13 r (the) s 14 r 112 c 1 r (oin) s 0 r 116 c 13 r (closest) s 13 r (to) s 14 r (the) s 13 r (destination...but) s 114 799 p 105 c 15 r (don't) s 15 r (kno) s 0 r 119 c 14 r (ho) s 0 r 119 c 14 r (to) s 15 r (express) s 15 r (this...) s 114 874 p 91 c cmmi10.1643-35 @sf 0 r 68 c 1 r (AR) s 0 r 80 c 7 r 65 c cmr10.1643-34 @sf 0 r 50 c 12 r 58 c 13 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 1 r (=U) s 2 r (=C) s 3 r 111 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r (=U) s 2 r (=C) s 4 r 111 c cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r (=U) s 3 r (=C) s 3 r 111 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 3 r (=R) s 1 r (=U) s 2 r (=C) s 3 r 111 c cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 114 930 p 102 c cmmi10.1643-35 @sf 0 r 114 c 1 r (esear) s 1 r (ch;) s 8 r (suppor) s 1 r 116 c cmsy10.1643-36 @sf 0 r (gf) s cmmi10.1643-35 @sf 0 r (unauthenticated) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r 85 c 5 r 67 c 3 r 73 c 4 r 59 c 8 r (noper) s 1 r (pack) s 1 r (etchar) s 2 r 103 c 1 r (e;) s 114 987 p (non) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r (inter) s 1 r 102 c 5 r (er) s 1 r (encebasis) s cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c cmbx10.1643-39 @sf 0 1146 p (Defense) s 17 r (Comm) s 0 r (unications) s 16 r (Agency) s 18 r (\(DCA\)) s cmr10.1643-34 @sf 56 1279 p (1.) s 22 r (DCA) s 18 r (will) s 18 r (not) s 18 r (carry) s 18 r (an) s 0 r 121 c 17 r (transit) s 18 r (tra\016c.) s 29 r (It) s 18 r (will) s 18 r (only) s 18 r (accept) s 18 r (and) s 18 r (send) s 18 r (tra\016c) s 18 r (to) s 18 r (and) s 18 r (from) s 18 r (its) s 114 1335 p (mailbridge\(s\)) s 17 r (and) s 18 r (only) s 17 r (from) s 17 r (and) s 18 r (to) s 17 r (hosts) s 18 r (on) s 17 r (other) s 18 r (F/Re) s 17 r (nets.) s 27 r (All) s 18 r (pac) s -1 r 107 c -1 r (ets) s 17 r (are) s 17 r (mark) s 0 r (ed) s 16 r (and) s 114 1392 p 99 c -1 r (harged) s 15 r (for) s 15 r 98 c -1 r 121 c 15 r (the) s 15 r (kilopac) s -1 r 107 c -1 r (et.) s 114 1467 p 91 c cmmi10.1643-35 @sf 0 r 68 c 1 r 67 c 3 r 65 c cmr10.1643-34 @sf 0 r 49 c 13 r 58 c 12 r 40 c cmmi10.1643-35 @sf 0 r (mail) s 1 r (br) s 2 r (idg) s 1 r (e;) s 8 r 68 c 1 r 67 c 3 r (A;) s cmsy10.1643-36 @sf 8 r 0 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 1 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 114 c 2 r (esear) s 1 r (ch;) s 7 r (suppor) s 2 r 116 c cmsy10.1643-36 @sf 0 r 103 c 114 1523 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticatedU) s 5 r 67 c 3 r 73 c 3 r 59 c 8 r (al) s 1 r 108 c 1 r (incoming) s 1 r (pack) s 2 r (etsmar) s 1 r 107 c 2 r (ed;) s 7 r (per) s cmsy10.1643-36 @sf 11 r 0 c cmmi10.1643-35 @sf 11 r 107 c 1 r (il) s 1 r (opack) s 1 r (etchar) s 2 r 103 c 1 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c cmbx10.1643-39 @sf 0 1683 p (6.3.2) s 52 r (The) s 18 r (Regionals) s cmr10.1643-34 @sf 0 1807 p (In) s 0 r (terviews) s 16 r (with) s 17 r (regional) s 17 r (net) s -1 r 119 c -1 r (ork) s 16 r (administrations) s 17 r (are) s 17 r (no) s 0 r 119 c 15 r (underw) s 0 r 97 c -1 r 121 c -4 r 46 c 25 r (In) s 17 r (general) s 17 r (their) s 16 r 112 c 2 r (olicies) s 17 r (are) s 0 1864 p (still) s 18 r (in) s 17 r (formation) s 18 r (due) s 17 r (to) s 18 r (the) s 17 r (relativ) s 0 r (ely) s 17 r (recen) s -1 r 116 c 17 r (formation) s 18 r (of) s 17 r (these) s 18 r (regional) s 17 r (net) s 0 r 119 c -1 r (orks.) s 26 r (Ho) s 0 r 119 c -1 r (ev) s -2 r (er,) s 17 r (for) s 0 1920 p (the) s 15 r (sak) s 0 r 101 c 14 r (of) s 15 r (illustration) s 15 r 119 c 0 r 101 c 14 r (pro) s 0 r (vide) s 14 r (an) s 15 r (example) s 15 r (of) s 16 r 97 c 15 r 104 c -1 r (yp) s 1 r (othetical) s 15 r (regional's) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r 112 c 1 r (olicies.) s cmbx10.1643-39 @sf 0 2080 p (Regional) s 17 r 65 c cmr10.1643-34 @sf 56 2213 p (1.) s 22 r (Regional) s 14 r 65 c 13 r (will) s 13 r (carry) s 13 r (tra\016c) s 13 r (from/to) s 14 r (an) s -1 r 121 c 13 r (directly) s 13 r (connected) s 13 r (F/Re/U) s 13 r (net) s 0 r 119 c -1 r (ork) s 12 r (to) s 13 r (an) s 0 r 121 c 12 r (F/Re/U) s 114 2269 p (net) s -1 r 119 c -1 r (ork) s 21 r (via) s 22 r (NSF) s 22 r (if) s 21 r (it) s 22 r (is) s 22 r (for) s 22 r 97 c 22 r (researc) s -1 r 104 c 21 r (or) s 22 r (supp) s 1 r (ort) s 22 r (UCI.) s 22 r (\(NSF) s 22 r (requires) s 21 r (that) s 22 r (all) s 22 r (Regional) s 114 2325 p (net) s -1 r 119 c -1 r (orks) s 14 r (only) s 15 r (pass) s 16 r (it) s 15 r (tra\016c) s 15 r (that) s 15 r (complies) s 15 r (with) s 15 r (its,) s 15 r (NSF's,) s 16 r 112 c 1 r (olicies!\)) s 114 2401 p 91 c cmmi10.1643-35 @sf 0 r 82 c 0 r (eg) s 2 r (ional) s 1 r 65 c cmr10.1643-34 @sf 12 r 58 c 13 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r (e=U) s cmsy10.1643-36 @sf 5 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r (e=U) s cmsy10.1643-36 @sf 5 r 103 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 3 r (=R) s 1 r (e=U) s cmsy10.1643-36 @sf 5 r 103 c cmmi10.1643-35 @sf 0 r 59 c 7 r 78 c 5 r 83 c 3 r 70 c cmr10.1643-34 @sf 6 r 41 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 114 c 1 r (esear) s 2 r (ch;) s 7 r (suppor) s 2 r 116 c cmsy10.1643-36 @sf 0 r 103 c 114 2457 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticatedU) s 5 r 67 c 3 r 73 c 3 r 59 c 8 r (no) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r (per) s cmsy10.1643-36 @sf 12 r 0 c cmmi10.1643-35 @sf 10 r (pack) s 1 r (etchar) s 1 r 103 c 2 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c 0 2678 p (Estrin) s 1647 r ([P) s -1 r (age) s 14 r (13]) s @eop 12 @bop0 cmmi10.1643-35 @sf [<01FC000007FF80000F83E0001E00F0003E007C003C003E007C001F0078000F0078000780F80007C0F80003C0F80003E0F800 01E0F80001F0F80001F07C0000F87C0000F87C0000F87C0000F83E0000783E0000781E0000781F0000780F00007807800078 07C0007803C000F001E000F000F001E0003C03E0001F07C00007FF000001FC00> 32 33 -2 1 34.671] 79 @dc [ 32 31 -2 0 33.554] 69 @dc cmr10.1643-34 @sf [<180001E01C0003F80C0007380E000E1C07000E0C03001C0E03801C0601C01C0600C01C0600E01C0600701C0600301C060038 1C06001C1C0E000C0E0C000E0E1C00070738000303F8000381E00F8180003FC1C00039C0E00070E0600070607000E0703800 E0301800E0301C00E0300E00E0300600E0300700E033FB80E07FFF80707E0FC070F801E039E000E03FC000700F800030> 32 37 -3 3 37.878] 37 @dc cmmi10.1643-35 @sf [<01F80003FC00078E000707000703000701800701800701C00700C00780C00380E003806003C060E1C06061C07061E0F070E1 F039E1F01FC1E00F80E0> 24 20 -1 0 22.032] 118 @dc [<070003800000070003800000078003C00000078003C0000007C003E0000007C003E0000007E003F0000007E003F0000007B0 03D8000007B003DC0000079803CC0000079C03C60000078C03C60000078603C300000F8603C300000F0303C180000F0307C1 80000F018780C0000F018780C0000F00C78060000F00C78070000F00678030000F00778018000F00378018000F001F800C00 0F001F800C000F000F8006000F000F8007000F00078003001F8007C007C0FFF07FF83FF8FFF07FF83FF8> 48 32 -2 1 42.928] 87 @dc 12 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx10.1643-39 @sf 0 45 p (Departmen) s 0 r 116 c 16 r (of) s 17 r (Energy) s 18 r (\(DOE\)) s cmr10.1643-34 @sf 56 178 p (1.) s 22 r (DOE) s 16 r (will) s 16 r (carry) s 15 r (tra\016c) s 16 r (to) s 16 r (and) s 16 r (from) s 15 r (an) s 0 r 121 c 15 r (host) s 15 r (directly) s 16 r (connected) s 16 r (to) s 15 r (DOE) s 16 r (so) s 16 r (long) s 16 r (as) s 15 r (it) s 16 r (is) s 16 r (used) s 114 235 p (for) s 15 r (researc) s 0 r 104 c 14 r (or) s 15 r (supp) s 1 r (ort.) s 20 r (There) s 15 r (is) s 16 r (no) s 15 r (authen) s -1 r (tication) s 15 r (of) s 15 r (the) s 15 r (UCI) s 15 r (and) s 15 r (no) s 15 r 112 c 2 r (er) s 15 r (pac) s 0 r 107 c -2 r (et) s 14 r 99 c 0 r (harging.) s 114 310 p 91 c cmmi10.1643-35 @sf 0 r 68 c 1 r 79 c 1 r 69 c cmr10.1643-34 @sf 3 r 49 c 12 r 58 c 13 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c 8 r 68 c 1 r 79 c 1 r 69 c 3 r 59 c cmsy10.1643-36 @sf 7 r 0 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 3 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 114 c 2 r (esear) s 1 r (ch;) s 8 r (suppor) s 1 r 116 c cmsy10.1643-36 @sf 0 r 103 c 114 366 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticatedU) s 5 r 67 c 3 r 73 c 3 r 59 c 8 r (no) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r (per) s cmsy10.1643-36 @sf 12 r 0 c cmmi10.1643-35 @sf 10 r (pack) s 1 r (etchar) s 1 r 103 c 2 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c 56 460 p (2.) s 22 r (DOE) s 18 r (will) s 17 r (carry) s 17 r (tra\016c) s 18 r (for) s 17 r (an) s 0 r 121 c 16 r (host) s 17 r (connected) s 18 r (to) s 17 r 97 c 17 r (F/Re) s 17 r (net) s 0 r 119 c -1 r (ork) s 16 r (talking) s 18 r (to) s 17 r (an) s 0 r 121 c 16 r (other) s 17 r (host) s 114 516 p (connected) s 14 r (to) s 14 r 97 c 14 r (F/Re) s 15 r (via) s 14 r (an) s 0 r 121 c 13 r (F/Re) s 14 r (en) s 0 r (try) s 13 r (and) s 15 r (exit) s 14 r (net) s 0 r 119 c -2 r (ork) s 14 r (without) s 14 r (regard) s 14 r (to) s 14 r (the) s 15 r (UCI.) s 14 r (There) s 114 573 p (is) s 17 r (no) s 18 r (authen) s -1 r (tication) s 17 r (of) s 17 r (the) s 18 r (UCI) s 17 r (and) s 18 r (no) s 17 r 112 c 2 r (er) s 17 r (pac) s 0 r 107 c -2 r (et) s 17 r 99 c 0 r (harging.) s 26 r (\(in) s 17 r (other) s 18 r 119 c 0 r (ords) s 16 r (DOE) s 18 r (is) s 17 r (more) s 114 629 p (restrictiv) s -1 r 101 c 18 r (with) s 18 r (its) s 19 r 111 c 0 r (wn) s 17 r (tra\016c) s 19 r (than) s 18 r (with) s 19 r (tra\016c) s 19 r (it) s 18 r (is) s 19 r (carrying) s 18 r (as) s 19 r (part) s 18 r (of) s 19 r 97 c 19 r (resource) s 18 r (sharing) s 114 686 p (arrangemen) s -1 r (t.\)) s 114 761 p 91 c cmmi10.1643-35 @sf 0 r 68 c 1 r 79 c 1 r 69 c cmr10.1643-34 @sf 3 r 50 c 12 r 58 c 13 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 3 r (=R) s 1 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r (fg) s 114 817 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticatedU) s 5 r 67 c 3 r 73 c 3 r 59 c 8 r (no) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r (per) s cmsy10.1643-36 @sf 12 r 0 c cmmi10.1643-35 @sf 10 r (pk) s 1 r (tchar) s 1 r 103 c 2 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c cmbx10.1643-39 @sf 0 977 p (National) s 17 r (Aeronautics) s 18 r (and) s 17 r (Space) s 18 r (Administration) s 17 r (\(NASA\)) s cmr10.1643-34 @sf 56 1109 p (1.) s 22 r (Nasa) s 22 r (will) s 21 r (accept) s 21 r (an) s 0 r 121 c 20 r (tra\016c) s 21 r (to/from) s 22 r (mem) s -1 r 98 c 1 r (ers) s 21 r (of) s 21 r (the) s 21 r (Nasa) s 22 r (AD.) s 21 r (But) s 21 r (no) s 21 r (transit.) s 39 r (No) s 21 r (UCI) s 114 1166 p (authen) s -1 r (tication) s 15 r (and) s 15 r (no) s 15 r 112 c 1 r (er) s 15 r (pac) s 0 r 107 c -1 r (et) s 14 r 99 c 0 r (harge.) s 114 1241 p 91 c cmmi10.1643-35 @sf 0 r 78 c 5 r (AS) s 2 r 65 c cmr10.1643-34 @sf 0 r 49 c 13 r 58 c 12 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 3 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c 7 r 78 c 5 r (asa;) s cmsy10.1643-36 @sf 8 r 0 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 78 c 5 r (asa) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r 114 c 1 r (esear) s 1 r (ch;) s 8 r (suppor) s 1 r 116 c cmsy10.1643-36 @sf 0 r 103 c 114 1297 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticatedU) s 5 r 67 c 3 r 73 c 3 r 59 c 8 r (no) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r (per) s cmsy10.1643-36 @sf 12 r 0 c cmmi10.1643-35 @sf 10 r (pack) s 1 r (et) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r (char) s 2 r 103 c 1 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c 56 1391 p (2.) s 22 r (Nasa) s 20 r (will) s 20 r (carry) s 20 r (transit) s 20 r (tra\016c) s 20 r (to/from) s 20 r (other) s 20 r (federal) s 20 r (agency) s 20 r (net) s 0 r 119 c -1 r (orks) s 19 r (if) s 20 r (it) s 20 r (is) s 20 r (in) s 20 r (supp) s 1 r (ort) s 20 r (of) s 114 1448 p (researc) s -1 r (h,) s 18 r (and) s 17 r (if) s 18 r (the) s 18 r (total) s 18 r (use) s 17 r (of) s 18 r 97 c 0 r 118 c -3 r (ailable) s 17 r (BW) s 18 r 98 c -1 r 121 c 17 r (non-nasa) s 18 r 70 c -3 r (ederal) s 17 r (agencies) s 18 r (is) s 17 r 98 c 2 r (elo) s -1 r 119 c 17 r (nnon-) s 114 1504 p (in) s -1 r (terference) s 19 r 112 c 2 r (olicy) s 20 r 116 c 0 r (yp) s 0 r 101 c 20 r (needs) s 20 r (some) s 20 r (more) s 20 r 119 c 0 r (ork) s 19 r (in) s 20 r (terms) s 20 r (of) s 21 r (in) s -1 r (tegrating) s 19 r (it) s 21 r (in) s -1 r (to) s 19 r (the) s 21 r (routing) s 114 1561 p (algorithms.) s 20 r (See) s 15 r (Section) s 15 r (7.) s 114 1636 p 91 c cmmi10.1643-35 @sf 0 r 78 c 5 r (AS) s 2 r 65 c cmr10.1643-34 @sf 0 r 50 c 13 r 58 c 12 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c cmsy10.1643-36 @sf 6 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 3 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c cmsy10.1643-36 @sf 6 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 3 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 114 c 2 r (esear) s 1 r (ch;) s 7 r (suppor) s 2 r 116 c cmsy10.1643-36 @sf 0 r 103 c 114 1692 p 102 c cmmi10.1643-35 @sf 0 r (per) s cmsy10.1643-36 @sf 11 r 0 c cmmi10.1643-35 @sf 10 r (pack) s 2 r (etaccounting) s 1 r 59 c 8 r 108 c 1 r (imitedton) s cmr10.1643-34 @sf 0 r 37 c cmmi10.1643-35 @sf 0 r (of) s 5 r (av) s 1 r (ail) s 1 r (abl) s 1 r (eB) s 2 r 87 c cmsy10.1643-36 @sf 7 r (gfg) s cmr10.1643-34 @sf 0 r 93 c 56 1786 p (3.) s 22 r (NASA) s 23 r (will) s 22 r (carry) s 23 r (commercial) s 23 r (tra\016c) s 22 r (to) s 23 r (federal) s 22 r (and) s 23 r (regional) s 23 r (and) s 22 r (univ) s 0 r (ersit) s -1 r 121 c 21 r (ADs) s 23 r (for) s 22 r (nasa) s 114 1843 p (researc) s -1 r 104 c 14 r (or) s 14 r (supp) s 1 r (ort.) s 20 r (But) s 15 r (it) s 14 r (will) s 15 r (not) s 14 r (allo) s 0 r 119 c 13 r (transit.) s 20 r (The) s 14 r (particular) s 15 r (en) s -1 r (try) s 14 r (AD) s 14 r (is) s 15 r (not) s 14 r (imp) s 1 r (ortan) s 0 r (t.) s 114 1918 p 91 c cmmi10.1643-35 @sf 0 r 78 c 5 r (AS) s 2 r 65 c cmr10.1643-34 @sf 0 r 51 c 13 r 58 c 12 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 67 c 3 r 111 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r (\003g) s cmr10.1643-34 @sf 0 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 1 r (=U) s cmsy10.1643-36 @sf 5 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 3 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 78 c 5 r (AS) s 3 r (Ar) s 1 r (esear) s 1 r (ch;) s 8 r (suppor) s 1 r 116 c cmsy10.1643-36 @sf 0 r 103 c 114 1974 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticatedU) s 5 r 67 c 3 r 73 c 3 r 59 c 8 r (noper) s 1 r (pack) s 2 r (etchar) s 1 r 103 c 2 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c 56 2068 p (4.) s 22 r (On) s 13 r 97 c 14 r (case) s 13 r 98 c 0 r 121 c 12 r (case) s 13 r (basis) s 13 r (NASA) s 13 r (ma) s 0 r 121 c 12 r (pro) s 0 r (vide) s 12 r (access) s 13 r (to) s 13 r (its) s 14 r (resources) s 13 r (on) s 13 r 97 c 13 r (cost) s 13 r (reim) s 0 r (bursed) s 12 r (basis.) s 114 2124 p 84 c -3 r (ransit) s 14 r (tra\016c) s 15 r (will) s 15 r (not) s 15 r 98 c 2 r 101 c 15 r (carried) s 15 r (on) s 15 r (this) s 15 r (basis.) s 114 2200 p 91 c cmmi10.1643-35 @sf 0 r 78 c 5 r (AS) s 2 r 65 c cmr10.1643-34 @sf 0 r 52 c 13 r 58 c 12 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 0 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 0 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r (fg) s 114 2256 p 102 c cmmi10.1643-35 @sf 0 r (per) s cmsy10.1643-36 @sf 11 r 0 c cmmi10.1643-35 @sf 10 r (pack) s 2 r (et) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r (char) s 1 r 103 c 2 r (e;) s 7 r 108 c 1 r (imitedton) s cmr10.1643-34 @sf 0 r 37 c cmmi10.1643-35 @sf 0 r (of) s 5 r (av) s 2 r (ail) s 1 r (abl) s 0 r (eB) s 3 r 87 c cmsy10.1643-36 @sf 6 r (gfg) s cmr10.1643-34 @sf 0 r 93 c 0 2678 p (Estrin) s 1647 r ([P) s -1 r (age) s 14 r (12]) s @eop 11 @bop0 cmr10.1643-34 @sf [<00000F8000001FC000001FE000001FE000003FF000003C700000383000003010001FB01000FFF01001F8780007F07E000FB0 5F000F38CF001E1F87803E0F07C03C0003C07C0003E07C0003E0780001E0F80001F0F80001F0F80001F0F80001F0F80001F0 F80001F0F80001F0F80001F0F80001F0780001E07C0003E07C0003E03C0003C03E0007C01E0007800F000F000F801F0007C0 3E0001E0780000FFF000001F8000> 32 41 -3 9 35.353] 81 @dc cmmi10.1643-35 @sf [<3C3E007FFF80E7E3C0F3E0C0F1C0E0F1E06071E07000E00000E00000F00000F000007000007000E070E06078F07038F0307C F03C7E701FFFE007C3C0> 24 20 -2 0 25.978] 120 @dc 11 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmr10.1643-34 @sf 0 45 p (for) s 14 r (Regional,) s 14 r 85 c 14 r (for) s 14 r (Univ) s 0 r (ersit) s -2 r 121 c -3 r 44 c 13 r (Co) s 14 r (for) s 14 r (Commercial) s 13 r (Corp) s 2 r (oration,) s 14 r (and) s 14 r (Cc) s 14 r (for) s 14 r (Commercial) s 14 r (Carrier.) s 19 r 65 c 0 102 p 104 c 0 r (yphen,) s 14 r (-,) s 15 r (means) s 15 r (no) s 15 r (applicable) s 15 r (matc) s 0 r (hes.) s 71 197 p (By) s 10 r (examining) s 10 r 97 c 11 r (PT) s 10 r 119 c 0 r 101 c 9 r (can) s 10 r (iden) s 0 r (tify) s 9 r (the) s 11 r 116 c -1 r (yp) s 1 r 101 c 10 r (of) s 10 r 112 c 1 r (olicy) s 11 r (represen) s 0 r (ted,) s 10 r (as) s 10 r 112 c 1 r (er) s 11 r (the) s 10 r (taxonom) s 0 r 121 c 9 r (presen) s 0 r (ted) s 0 254 p (earlier.) s cmsy10.1643-36 @sf 68 387 p 15 c cmr10.1643-34 @sf 23 r (If) s 13 r (an) s 13 r (AD) s 14 r (sp) s 1 r (eci\014es) s 13 r 97 c 13 r 112 c 1 r (olicy) s 14 r (term) s 13 r (that) s 13 r (has) s 13 r 97 c 14 r 110 c -1 r (ull) s 12 r (\(-\)) s 14 r (en) s -1 r (try) s 13 r (for) s 13 r (the) s 13 r (ADexit,) s 14 r (then) s 13 r (it) s 13 r (is) s 13 r (disallo) s 0 r (wing) s 114 443 p (transit) s 15 r (for) s 15 r (some) s 15 r (group) s 15 r (of) s 15 r (users,) s 16 r (and) s 15 r (it) s 15 r (is) s 15 r 97 c 15 r (transit) s 15 r 112 c 2 r (olicy) s -3 r 46 c cmsy10.1643-36 @sf 68 537 p 15 c cmr10.1643-34 @sf 23 r (If) s 14 r (an) s 14 r (AD) s 14 r (sp) s 2 r (eci\014es) s 14 r 97 c 14 r 112 c 1 r (olicy) s 15 r (term) s 14 r (that) s 14 r (lists) s 14 r (itself) s 14 r (explicitly) s 15 r (as) s 14 r (ADsrc) s 14 r (or) s 14 r (ADdst,) s 15 r (it) s 14 r (is) s 14 r (expressing) s 114 593 p (restrictions) s 18 r (on) s 18 r (who) s 18 r (can) s 19 r (access) s 18 r (particular) s 18 r (resources) s 19 r (within) s 18 r (its) s 18 r 98 c 1 r (oundaries,) s 19 r (or) s 19 r (on) s 18 r (who) s 18 r (inside) s 114 650 p (can) s 15 r (obtain) s 15 r (external) s 15 r (access.) s 20 r (In) s 15 r (other) s 16 r 119 c -1 r (ords) s 14 r (the) s 16 r (AD) s 15 r (is) s 15 r (expressing) s 15 r 97 c 15 r (source/destination) s 15 r 112 c 2 r (olicy) s -3 r 46 c cmsy10.1643-36 @sf 68 744 p 15 c cmr10.1643-34 @sf 23 r (If) s 15 r (ADexit) s 15 r (or) s 15 r (ADen) s 0 r (tr) s 14 r (is) s 15 r (sp) s 2 r (eci\014ed) s 15 r (then) s 15 r (the) s 15 r 112 c 1 r (olicy) s 16 r (expressed) s 15 r (is) s 15 r (an) s 15 r (exit/en) s 0 r (trance) s 14 r (path) s 15 r 112 c 1 r (olicy) s -3 r 46 c cmsy10.1643-36 @sf 68 837 p 15 c cmr10.1643-34 @sf 23 r (If) s 16 r (the) s 16 r (global) s 15 r (conditions) s 16 r (include) s 16 r 99 c 0 r (harging,) s 15 r (QOS,) s 16 r (resource) s 16 r (guaran) s -1 r (tee,) s 15 r (time) s 16 r (of) s 16 r (da) s 0 r 121 c -4 r 44 c 15 r (higher) s 16 r (lev) s 0 r (el) s 114 894 p (application,) s 17 r (resource) s 18 r (limit,) s 17 r (or) s 18 r (authen) s -1 r (tication) s 17 r (related) s 17 r (information) s 17 r (it) s 17 r (is) s 18 r (ob) s -1 r (viously) s 17 r 97 c 17 r 99 c 0 r (harging,) s 114 950 p (QOS,) s 12 r (resource) s 13 r (guaran) s 0 r (tee,) s 12 r (temp) s 1 r (oral,) s 13 r (higher) s 13 r (lev) s 0 r (el) s 12 r (application,) s 13 r (resource) s 13 r (limit,) s 13 r (or) s 12 r (authen) s 0 r (tication) s 114 1007 p 112 c 1 r (olicy) s -3 r 44 c 14 r (resp) s 2 r (ectiv) s -1 r (ely) s -4 r 46 c 0 1140 p (As) s 15 r (seen) s 15 r 98 c 2 r (elo) s -1 r (w,) s 14 r (an) s 0 r 121 c 14 r (one) s 15 r (PT) s 16 r 116 c -1 r (ypically) s 15 r (incorp) s 1 r (orates) s 15 r 97 c 15 r (com) s 0 r (bination) s 14 r (of) s 15 r 112 c 1 r (olicy) s 16 r 116 c -1 r (yp) s 1 r (es.) s cmbx10.1643-39 @sf 0 1299 p (6.3.1) s 52 r (The) s 18 r (FRICC) s cmr10.1643-34 @sf 0 1424 p (In) s 16 r (the) s 15 r (follo) s 0 r (wing) s 15 r (examples) s 16 r (all) s 15 r 112 c 2 r (olicies) s 15 r (\(and) s 16 r (PTs\)) s 16 r (are) s 16 r (symmetrical) s 15 r (under) s 16 r (the) s 16 r (assumption) s 15 r (that) s 16 r (com-) s 0 1480 p 109 c 0 r (unication) s 14 r (is) s 15 r (symmetrical.) s cmbx10.1643-39 @sf 0 1639 p (National) s 17 r (Science) s 18 r 70 c -4 r (oundation) s 17 r (\(NSF\)) s cmr10.1643-34 @sf 56 1772 p (1.) s 22 r (NSF) s 18 r (will) s 18 r (carry) s 18 r (tra\016c) s 19 r (for) s 18 r (an) s -1 r 121 c 17 r (host) s 18 r (connected) s 19 r (to) s 18 r 97 c 18 r (F/Re) s 18 r (net) s -1 r 119 c -1 r (ork) s 17 r (talking) s 18 r (to) s 18 r (an) s 0 r 121 c 17 r (other) s 18 r (host) s 114 1829 p (connected) s 13 r (to) s 14 r 97 c 13 r (F/Re) s 14 r (via) s 14 r (an) s -1 r 121 c 13 r (F/Re) s 14 r (en) s -1 r (try) s 13 r (and) s 14 r (exit) s 13 r (net) s 0 r 119 c -1 r (ork,) s 13 r (so) s 13 r (long) s 14 r (as) s 13 r (there) s 14 r (is) s 14 r (it) s 13 r (is) s 14 r 98 c 1 r (eing) s 14 r (used) s 114 1885 p (for) s 16 r (researc) s 0 r 104 c 15 r (or) s 17 r (supp) s 1 r (ort.) s 25 r (There) s 16 r (is) s 17 r (no) s 16 r (authen) s 0 r (tication) s 16 r (of) s 16 r (the) s 17 r (UCI) s 16 r (and) s 17 r (no) s 17 r 112 c 1 r (er) s 16 r (pac) s 0 r 107 c -1 r (et) s 15 r 99 c 0 r (harging.) s 114 1942 p (NSFnet) s 13 r (is) s 13 r 97 c 13 r (bac) s -1 r (kb) s 1 r (one) s 13 r (and) s 13 r (so) s 13 r (do) s 1 r (es) s 13 r (not) s 13 r (connect) s 13 r (directly) s 13 r (to) s 13 r (univ) s 0 r (ersities) s 12 r (or) s 13 r (companies...th) s -1 r (us) s 12 r (the) s 114 1998 p (indication) s 15 r (of) s cmsy10.1643-36 @sf 15 r 102 c cmr10.1643-34 @sf 0 r (F/Re) s cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 15 r (instead) s 15 r (of) s cmsy10.1643-36 @sf 15 r 102 c cmr10.1643-34 @sf 0 r (F/Re/U/Co) s cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 16 r (as) s 15 r (ADen) s -1 r 116 c 15 r (and) s 15 r (ADexit.) s 114 2073 p 91 c cmmi10.1643-35 @sf 0 r 78 c 5 r 83 c 2 r 70 c cmr10.1643-34 @sf 7 r 49 c 12 r 58 c 13 r 40 c cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 1 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 114 c 1 r (esear) s 1 r (ch;) s 8 r (suppor) s 1 r 116 c cmsy10.1643-36 @sf 0 r 103 c 114 2130 p 102 c cmmi10.1643-35 @sf 0 r (unauthenticatedU) s 5 r 67 c 3 r 73 c 3 r 59 c 8 r (no) s cmsy10.1643-36 @sf 10 r 0 c cmmi10.1643-35 @sf 10 r (per) s cmsy10.1643-36 @sf 12 r 0 c cmmi10.1643-35 @sf 10 r (pk) s 1 r (tchar) s 1 r 103 c 2 r 101 c cmsy10.1643-36 @sf 0 r (gfg) s cmr10.1643-34 @sf 0 r 93 c 56 2224 p (2.) s 22 r (NSF) s 17 r (will) s 18 r (carry) s 17 r (tra\016c) s 17 r (to) s 17 r (user) s 17 r (and) s 18 r (exp) s 1 r (ert) s 17 r (services) s 17 r (hosts) s 17 r (in) s 18 r (NSF) s 17 r (AD) s 17 r (to/from) s 17 r (an) s 0 r 121 c 16 r (F/Re) s 17 r (AD,) s 114 2280 p (via) s 15 r (an) s 0 r 121 c 14 r (F/Re) s 15 r (AD.) s 15 r (These) s 15 r (are) s 15 r (the) s 15 r (only) s 16 r (things) s 15 r (that) s 15 r (directly) s 15 r (connect) s 15 r (to) s 15 r (NSFnet.) s 114 2355 p 91 c cmmi10.1643-35 @sf 0 r 78 c 5 r 83 c 2 r 70 c cmr10.1643-34 @sf 7 r 50 c 12 r 58 c 13 r 40 c cmsy10.1643-36 @sf 0 r 102 c cmmi10.1643-35 @sf 0 r 85 c 5 r (ser) s 1 r (sv) s 2 r (cs;) s 7 r 69 c 3 r (xper) s 1 r (tS) s 3 r 118 c 1 r (cs) s cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r 102 c cmmi10.1643-35 @sf 0 r 78 c 5 r 83 c 2 r 70 c cmsy10.1643-36 @sf 7 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 1 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r (\)\() s cmsy10.1643-36 @sf 0 r 3 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 7 r 102 c cmmi10.1643-35 @sf 0 r 70 c 4 r (=R) s 0 r 101 c cmsy10.1643-36 @sf 0 r 103 c cmmi10.1643-35 @sf 0 r 59 c cmsy10.1643-36 @sf 8 r (f\000g) s cmr10.1643-34 @sf 0 r 41 c cmsy10.1643-36 @sf 0 r (fgfgfg) s cmr10.1643-34 @sf 0 r 93 c 0 2678 p (Estrin) s 1647 r ([P) s -1 r (age) s 14 r (11]) s @eop 10 @bop0 [ 1500 ] /cmbx12.1500-48 @newfont cmbx12.1500-48 @sf [<00FF0007FFC00FC3F01F01F83E00FC3E007C7E007E7C007E7C007EFC007EFC007EFC007EFC007EFE007EFE007CFE007CFF00 F8FF81F8FDFFF0FCFFC0FC08007C00007C00007E00F03E01F83E01F81F01F80F81F807C0F803F07001FFE0003FC0> 24 32 -2 0 28.019] 54 @dc [<7CFEFEFEFEFE7C> 8 7 -4 0 15.566] 46 @dc [ 24 32 -3 0 28.019] 50 @dc [<03FFFFF80003FFFFF8000003F800000003F800000003F800000003F800000003F800000003F800000003F800000003F80000 0003F800000003F800000003F800000003F800000003F800000003F800000003F800000003F800000003F800000003F80000 0003F800000003F80000C003F800C0C003F800C0C003F800C0C003F800C0E003F801C0E003F801C06003F801807003F80380 7803F807807E03F80F807FFFFFFF807FFFFFFF80> 40 34 -2 0 38.973] 84 @dc [<0FF0FF3FFDFF7F1FF8FE0FF0FC07F0FC03F0FC03F0FE03F07E03F07F03F03FE3F00FFFF001FFF00003F00003F01E03F03F03 F03F07F03F07E03F0FC01FFF8007FE00> 24 22 -2 0 27.241] 97 @dc [ 32 22 -1 0 29.576] 120 @dc [<00FE0007FFC00F83E01F01F03E00F87C007C7C007CFC007EFC007EFC007EFC007EFC007EFC007EFC007E7C007C7C007C7C00 7C3E00F81E00F00F83E007FFC000FE00> 24 22 -2 0 28.019] 111 @dc [ 32 22 -2 0 31.133] 110 @dc [ 48 22 -2 0 46.699] 109 @dc [<1F0000007F80000069C00000FC600000FC300000FC3800007818000000180000000C0000000C0000000E0000000E0000001F 0000001F0000003F8000003F8000007FC000007EC000007EC00000FC600000FC600001F8300001F8300003F8180003F01800 07F01C0007E00C000FE00E000FC006000FC00700FFF01FE0FFF01FE0> 32 32 -1 10 29.576] 121 @dc [<7FFC007FFC000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0 000FC0000FC0000FC000FFFC00FFFC000FC0000FC0000FC0000FC0000FC0000FC0000FC3C00FC7E007E7E007E7E003F7E001 FFC0003F80> 24 35 -1 0 17.123] 102 @dc [<0007FF0000003FFFC00000FF01F00003FC00380007F0001C000FE0000E001FC00007001F800003003F800003807F00000180 7F000001807F00000180FE00000000FE00000000FE00000000FE00000000FE00000000FE00000000FE00000000FE00000000 FE00000000FE000001807F000001807F000003807F000003803F800003801F800007801FC0000F800FE0000F8007F0001F80 03FC007F8000FF01E780003FFFC3800007FE0180> 40 34 -3 0 40.472] 67 @dc [ 32 35 -2 0 31.133] 104 @dc [ 24 22 -2 0 22.888] 114 @dc [<01FFC0000FFFF8003F80FE007E003F00FC001F80F8000F80F8000F80F8000F80FC001F807E007F803FFFFF000FFFFF001FFF FE001FFFFC001FFFE0001E0000001C000000180000001DFE00001FFF80000F87C0001F03E0003E01F0003E01F0003E01F000 3E01F0003E01F0003E01F0003E01F3001F03E7800F87F78007FFFF8001FE1F00> 32 33 -1 11 28.019] 103 @dc [ 16 36 -1 0 15.566] 105 @dc [ 32 34 -2 0 38.281] 80 @dc [ 16 35 -1 0 15.566] 108 @dc [<01FF0007FFC01FE1E03F80703F00307E00007E0000FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC00007C01E07E03 F03E03F03F03F01FC3F007FFE001FF80> 24 22 -2 0 24.906] 99 @dc [<00FF8007FFE00FE0F01F80383F00187E00007E0000FC0000FC0000FC0000FC0000FFFFF8FFFFF8FC00F8FC00F87C00F87E00 F03E01F03F03E01F87E007FF8001FE00> 24 22 -2 0 25.569] 101 @dc [ 24 22 -2 0 22.104] 115 @dc cmr10.1643-34 @sf [<01800180018007E01FF83DBC719E618EE18EC187F187F187F1876187018F019F01BE01FE0FFC1FF83FF07F807D80F980F180 E18FE18FE18FE187F1877186798E3DBC1FF807F001800180> 16 37 -3 3 22.727] 36 @dc cmbx10.1643-39 @sf [<000180003000000001C0007000000003C0007800000003E000F800000007E000FC00000007E000FC00000007F001FC000000 0FF001FE0000000FF803FE0000001FF803FF0000001FD803FB0000001FCC07F30000003FCC07F18000003F8E0FF18000003F 860FE18000007F060FE0C000007F031FE0C00000FF031FC0E00000FE031FC0600000FE01BF80600001FC01BF80300001FC01 FF80300003FC00FF00380003F800FF00180003F800FE00180007F800FE000C0007F001FE000C0007F001FC000C000FE001FC 000E00FFFF1FFFC0FFE0FFFF1FFFC0FFE0> 56 31 -1 0 54.039] 87 @dc cmbx12.1500-48 @sf [<03FF001FFFE03E07F07803F8FE01FCFE00FCFE00FEFE00FEFE00FE7C00FE0000FE0000FE0000FC0001FC0003F80007E001FF 0001FF00001F80000FE00007F00003F00E03F83F03F83F01F83F81F83F01F83F03F81E03F01F07E007FFC001FF00> 24 32 -2 0 28.019] 51 @dc [ 32 34 -2 0 36.782] 69 @dc [ 32 32 -2 10 31.133] 112 @dc [<00FC0003FF0007E7000FE3800FC1800FC1800FC1800FC1800FC1800FC0000FC0000FC0000FC0000FC0000FC0000FC0000FC0 000FC0000FC0000FC000FFFF00FFFF001FC0000FC00007C00003C00001C00001C00000C00000C00000C00000C000> 24 32 -1 0 21.793] 116 @dc cmti10.1643-37 @sf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dc cmbx10.1643-39 @sf [ 32 20 -1 0 27.588] 120 @dc cmmi10.1643-35 @sf [ 40 31 -2 0 37.783] 72 @dc [ 1500 ] /cmmi8.1500-14 @newfont cmmi8.1500-14 @sf [<7F00FFC0E1C0E0E0E0E001E01FE01FE03F803C601C701E700FF007E0> 16 14 -2 0 16.316] 115 @dc [<38003C003C001C001C001E001E000E000E00CF18EF1C6FDC7FFC3EF8> 16 14 0 0 15.922] 114 @dc [<1FC07FF0F078E018E000E000E000E000E000700078383E380FF803F0> 16 14 -1 0 15.282] 99 @dc [<1FC07FF07078E018E000E000E000FFC0FFF0F07078383C381FF807F0> 16 14 -1 0 16.368] 101 @dc [<3807C03C0FE03C0E701C0F701C07301E07001E07800E03800F0380CF8380EF83806FE3807FFF803E3F00> 24 14 0 0 21.409] 110 @dc [<3E007F00738071C070C078007800380038003C003C001C00FFC0FFC01E000E000E000F000F000700> 16 20 -1 0 12.741] 116 @dc [<3E3C007FFE00F3F700E0F300C07300E07800E07800E03800E03800703C00783C003C7C001FFC0007DE00001E00000E00000E 00000F00000F00000700000700001F80001F80> 24 23 -1 0 18.155] 100 @dc [<7CF800FFFE00E78E00E38700E3830003C00003C00001C00001C000E1C30061E38071F3803FFF801F9F00> 24 14 -1 0 19.862] 120 @dc [<1F003F8039C03DC01CC01C001E000E000F00E700670077003F001E00000000000000000000000000018001C001C0> 16 23 0 0 12.013] 105 @dc 10 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx12.1500-48 @sf 0 45 p (6.2) s 56 r 84 c -4 r (axonom) s -1 r 121 c 17 r (of) s 19 r (Charging) s 19 r 80 c -1 r (olicies) s cmr10.1643-34 @sf 0 170 p (Stub) s 15 r (and) s 15 r (transit) s 15 r 99 c 0 r (harging) s 14 r 112 c 2 r (olicies) s 15 r (ma) s -1 r 121 c 15 r (sp) s 1 r (ecify) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (parameters:) s cmsy10.1643-36 @sf 68 298 p 15 c cmbx10.1643-39 @sf 23 r (Unit) s 17 r (of) s 18 r (accoun) s -1 r (ting) s cmr10.1643-34 @sf 14 r (\(e.g.,) s 16 r (dollars) s 15 r (or) s 15 r (credits\).) s cmsy10.1643-36 @sf 68 390 p 15 c cmbx10.1643-39 @sf 23 r (Basis) s 17 r (for) s 18 r 99 c -1 r (harging) s cmr10.1643-34 @sf 14 r (\(e.g.,) s 16 r 112 c 1 r (er) s 15 r (Kb) s 0 r (yte) s 14 r (or) s 15 r 112 c 1 r (er) s 15 r (Kpkt\).) s cmsy10.1643-36 @sf 68 482 p 15 c cmbx10.1643-39 @sf 23 r (Actual) s 17 r 99 c 0 r (harges) s cmr10.1643-34 @sf 14 r (\(e.g.,) s 15 r (actual) s 15 r 110 c 0 r (um) s -1 r 98 c 0 r (ers) s 15 r (suc) s 0 r 104 c 14 r (as) s 15 r ($.50/Mb) s 0 r (yte\).) s cmsy10.1643-36 @sf 68 574 p 15 c cmbx10.1643-39 @sf 23 r (Who) s 15 r (is) s 16 r 99 c -1 r (harged) s 14 r (or) s 16 r (paid) s cmr10.1643-34 @sf 13 r (\(e.g.,) s 14 r (originator) s 13 r (of) s 13 r (pac) s 0 r 107 c -1 r (et,) s 13 r (immediate) s 13 r (neigh) s 0 r 98 c 0 r (or) s 13 r (from) s 14 r (whom) s 13 r (pac) s 0 r 107 c -2 r (et) s 114 630 p 119 c -1 r (as) s 15 r (receiv) s -1 r (ed,) s 14 r (destination) s 16 r (of) s 15 r (pac) s -1 r 107 c -1 r (et,) s 14 r 97 c 15 r (third) s 16 r (part) s -1 r 121 c 15 r (collection) s 15 r (agen) s -1 r (t\).) s cmsy10.1643-36 @sf 68 722 p 15 c cmbx10.1643-39 @sf 23 r (Whose) s 22 r (pac) s 0 r 107 c -2 r (et) s 22 r (coun) s -1 r 116 c cmr10.1643-34 @sf 19 r (is) s 19 r (used) s 20 r (\(e.g.,) s 20 r (source,) s 21 r (destination,) s 20 r (the) s 20 r (transit) s 19 r (AD's) s 20 r 111 c 0 r (wn) s 18 r (coun) s 0 r (t,) s 19 r (the) s 114 779 p (coun) s -1 r 116 c 15 r (of) s 15 r (some) s 15 r (upstream) s 15 r (or) s 15 r (do) s 0 r (wnstream) s 14 r (AD\).) s cmsy10.1643-36 @sf 68 870 p 15 c cmbx10.1643-39 @sf 23 r (Bound) s 21 r (on) s 21 r 99 c 0 r (harges) s cmr10.1643-34 @sf 18 r (\(e.g.,) s 19 r (to) s 18 r (limit) s 19 r (the) s 18 r (amoun) s 0 r 116 c 18 r (that) s 18 r 97 c 19 r (stub) s 18 r (AD) s 19 r (is) s 18 r (willing) s 19 r (to) s 18 r (sp) s 1 r (end,) s 20 r (or) s 18 r (the) s 114 927 p (amoun) s -1 r 116 c 15 r (that) s 15 r 97 c 15 r (transit) s 15 r (AD) s 15 r (is) s 15 r (willing) s 15 r (to) s 16 r (carry) s -3 r (.\)) s 0 1055 p (The) s 15 r (enforcemen) s 0 r 116 c 14 r (of) s 15 r (these) s 15 r 112 c 2 r (olicies) s 15 r (ma) s -1 r 121 c 15 r 98 c 1 r 101 c 15 r (carried) s 15 r (out) s 15 r (during) s 16 r (route) s 15 r (syn) s -1 r (thesis) s 15 r (or) s 15 r (route) s 15 r (selection[) s 0 r 52 c 0 r 93 c cmbx12.1500-48 @sf 0 1215 p (6.3) s 56 r (Example) s 19 r 80 c -1 r (olicy) s 18 r (statemen) s -1 r (ts) s cmr10.1643-34 @sf 0 1340 p (The) s 21 r (follo) s -1 r (wing) s 20 r 112 c 1 r (olicy) s 21 r (statemen) s -1 r (ts) s 20 r 119 c 0 r (ere) s 19 r (collected) s 21 r (in) s 20 r (the) s 21 r (fall) s 20 r (of) s 21 r (1988) s 20 r (through) s 21 r (in) s -1 r (terviews) s 20 r (with) s 20 r (rep-) s 0 1396 p (resen) s 0 r (tativ) s -2 r (es) s 18 r (of) s 18 r (the) s 18 r (federal) s 19 r (agencies) s 18 r (most) s 18 r (in) s 0 r 118 c -1 r (olv) s -2 r (ed) s 18 r (in) s 18 r (supp) s 1 r (orting) s 19 r (in) s -1 r (ternet) s -1 r 119 c -1 r (orking.) s 28 r (Once) s 19 r (again) s 18 r 119 c 0 r 101 c 0 1453 p (emphasize) s 12 r (that) s 13 r (these) s 12 r (are) s cmti10.1643-37 @sf 12 r (not) s 14 r (o\016cial) s 14 r 112 c -2 r (olicy) s 13 r (statements) s cmr10.1643-34 @sf 0 r 46 c 19 r (They) s 13 r (are) s 12 r (presen) s 0 r (ted) s 11 r (here) s 12 r (to) s 13 r (pro) s 0 r (vide) s 11 r (concrete) s 0 1509 p (examples) s 15 r (of) s 15 r (the) s 15 r (sort) s 16 r (of) s 15 r 112 c 1 r (olicies) s 15 r (that) s 15 r (agencies) s 15 r 119 c 0 r (ould) s 14 r (lik) s 0 r 101 c 14 r (to) s 15 r (enforce.) s cmbx10.1643-39 @sf 0 1668 p (Expressing) s 22 r 112 c 2 r (olicies) s 22 r (as) s 23 r 80 c -1 r (olicy) s 21 r 84 c -3 r (erms) s 21 r (\(PTs\)) s cmr10.1643-34 @sf 46 r (Eac) s 0 r 104 c 18 r 112 c 1 r (olicy) s 20 r (is) s 19 r (describ) s 1 r (ed) s 20 r (in) s 19 r (English) s 20 r (and) s 19 r (then) s 0 1724 p (expressed) s 18 r (in) s 18 r 97 c cmti10.1643-37 @sf 18 r 112 c -1 r (olicy) s 17 r (term) s 19 r (\(PT\)) s cmr10.1643-34 @sf 18 r (notation) s 18 r (suggested) s 18 r 98 c 0 r 121 c 17 r (Da) s -1 r 118 c -1 r 101 c 17 r (Clark) s 18 r (in) s 18 r 91 c 0 r 52 c 0 r (].) s 29 r (Eac) s -1 r 104 c 17 r (PT) s 18 r (represen) s 0 r (ts) s 17 r 97 c 0 1780 p (distinct) s 15 r 112 c 1 r (olicy) s 16 r (of) s 15 r (the) s 15 r (AD) s 15 r (that) s 15 r (syn) s 0 r (thesized) s 14 r (it.) s 20 r (The) s 15 r (format) s 16 r (of) s 15 r 97 c 15 r (PT) s 15 r (is:) s 402 1837 p ([\() s cmmi10.1643-35 @sf 0 r 72 c cmmi8.1500-14 @sf 471 1844 p (sr) s 1 r 99 c cmmi10.1643-35 @sf 521 1837 p 59 c 8 r (AD) s cmmi8.1500-14 @sf 613 1844 p (sr) s 1 r 99 c cmmi10.1643-35 @sf 664 1837 p 59 c 7 r (AD) s cmmi8.1500-14 @sf 756 1844 p (ent) s cmr10.1643-34 @sf 808 1837 p 41 c cmmi10.1643-35 @sf 0 r 59 c cmr10.1643-34 @sf 8 r 40 c cmmi10.1643-35 @sf 0 r 72 c cmmi8.1500-14 @sf 902 1844 p (dst) s cmmi10.1643-35 @sf 951 1837 p 59 c 7 r (AD) s cmmi8.1500-14 @sf 1043 1844 p (dst) s cmmi10.1643-35 @sf 1092 1837 p 59 c 8 r (AD) s cmmi8.1500-14 @sf 1184 1844 p (exit) s cmr10.1643-34 @sf 1247 1837 p 41 c cmmi10.1643-35 @sf 0 r 59 c 8 r 85 c 5 r 67 c 3 r 73 c 3 r 59 c 8 r 67 c 3 r 103 c 2 r 59 c 7 r 67 c 4 r 98 c cmr10.1643-34 @sf 0 r 93 c 71 1933 p (Hsrc) s 19 r (stands) s 19 r (for) s 19 r (source) s 19 r (host,) s 20 r (ADsrc) s 19 r (for) s 19 r (source) s 19 r (AD,) s 19 r (ADen) s -1 r 116 c 18 r (for) s 19 r (en) s 0 r (tering) s 18 r (AD) s 19 r (\(i.e.,) s 20 r (neigh) s 0 r 98 c 0 r (oring) s 0 1989 p (AD) s 17 r (from) s 17 r (whic) s 0 r 104 c 16 r (tra\016c) s 17 r (is) s 17 r (arriving) s 17 r (directly\),) s 18 r (Hdst) s 17 r (for) s 17 r (destination) s 17 r (host,) s 17 r (ADdst) s 17 r (for) s 18 r (destination) s 17 r (AD,) s 0 2045 p (ADexit) s 20 r (for) s 20 r (exit) s 20 r (AD) s 19 r (\(i.e.,) s 21 r (neigh) s 0 r 98 c 0 r (oring) s 20 r (AD) s 20 r (to) s 20 r (whic) s 0 r 104 c 19 r (tra\016c) s 19 r (is) s 20 r (going) s 20 r (directly\),) s 21 r (UCI) s 20 r (for) s 20 r (user) s 20 r (class) s 0 2102 p (iden) s 0 r (ti\014er,) s 17 r (and) s 18 r (Cg) s 18 r (and) s 17 r (Cb) s 18 r (for) s 18 r (global) s 18 r (and) s 17 r (bilateral) s 18 r (conditions,) s 18 r (resp) s 2 r (ectiv) s -1 r (ely) s -3 r 46 c 27 r (The) s 17 r (purp) s 2 r (ose) s 17 r (of) s 18 r 97 c 18 r (PT) s 0 2158 p (is) s 16 r (to) s 17 r (sp) s 1 r (ecify) s 17 r (that) s 16 r (pac) s 0 r 107 c -1 r (ets) s 15 r (from) s 17 r (some) s 16 r (host,) s cmmi10.1643-35 @sf 17 r 72 c cmmi8.1500-14 @sf 892 2165 p (sr) s 1 r 99 c cmr10.1643-34 @sf 943 2158 p 44 c 17 r (\(or) s 16 r 97 c 17 r (group) s 16 r (of) s 17 r (hosts\)) s 16 r (in) s 17 r 97 c 16 r (source) s 17 r (AD,) s cmmi10.1643-35 @sf 16 r (AD) s cmmi8.1500-14 @sf 1809 2165 p (sr) s 1 r 99 c cmr10.1643-34 @sf 1860 2158 p 44 c 17 r (are) s 0 2215 p (allo) s 0 r 119 c -2 r (ed) s 19 r (to) s 20 r (en) s 0 r (ter) s 19 r (the) s 20 r (AD) s 20 r (in) s 20 r (question) s 19 r (via) s 20 r (some) s 20 r (directly) s 20 r (connected) s 20 r (AD,) s cmmi10.1643-35 @sf 20 r (AD) s cmmi8.1500-14 @sf 1519 2222 p (ent) s cmr10.1643-34 @sf 1572 2215 p 44 c 21 r (and) s 20 r (exit) s 20 r (through) s 0 2271 p (another) s 17 r (directly) s 17 r (connected) s 16 r (AD,) s cmmi10.1643-35 @sf 17 r (AD) s cmmi8.1500-14 @sf 719 2278 p (exit) s cmr10.1643-34 @sf 782 2271 p 44 c 17 r (on) s 17 r (its) s 17 r 119 c 0 r 97 c -2 r 121 c 16 r (to) s 17 r 97 c 17 r (host,) s cmmi10.1643-35 @sf 17 r 72 c cmmi8.1500-14 @sf 1283 2279 p (dst) s cmr10.1643-34 @sf 1333 2271 p 44 c 17 r (\(or) s 16 r 97 c 17 r (group) s 17 r (of) s 17 r (hosts\)) s 16 r (in) s 17 r (some) s 0 2328 p (destination) s 15 r (AD,) s cmmi10.1643-35 @sf 16 r (AD) s cmmi8.1500-14 @sf 404 2335 p (dst) s cmr10.1643-34 @sf 453 2328 p 46 c 21 r (User) s 16 r (Class) s 15 r (Iden) s 0 r (ti\014er) s 14 r (\(UCI\)) s 15 r (allo) s 0 r (ws) s 15 r (for) s 15 r (distinguishing) s 15 r 98 c 2 r (et) s -1 r 119 c -1 r (een) s 15 r 118 c -2 r (arious) s 14 r (user) s 0 2384 p (classes,) s 15 r (e.g.,) s 15 r (Go) s 0 r 118 c -2 r (ernmen) s -1 r (t,) s 14 r (Researc) s 0 r (h,) s 14 r (Commercial,) s 15 r (Con) s 0 r (tract,) s 14 r (etc.) s 20 r (Global) s 15 r (Conditions) s 15 r (\(Cg\)) s 14 r (represen) s 0 r 116 c 0 2441 p (billing) s 19 r (and) s 18 r (other) s 19 r 118 c -1 r (ariables.) s 30 r (Bilateral) s 18 r (Conditions) s 19 r (\(Cb\)) s 19 r (relate) s 18 r (to) s 19 r (agreemen) s 0 r (ts) s 18 r 98 c 1 r (et) s 0 r 119 c -2 r (een) s 18 r (neigh) s 0 r 98 c 0 r (oring) s 0 2497 p (ADs,) s 17 r (e.g.,) s 17 r (related) s 17 r (to) s 16 r (metering) s 17 r (or) s 17 r 99 c -1 r (harging.) s 24 r (In) s 17 r (the) s 16 r (example) s 17 r 112 c 1 r (olicy) s 17 r (terms) s 17 r (pro) s -1 r (vided) s 16 r 98 c 1 r (elo) s 0 r 119 c 16 r 119 c 0 r 101 c 15 r (mak) s 0 r 101 c 0 2554 p (use) s 18 r (of) s 18 r (the) s 18 r (follo) s 0 r (wing) s 17 r (abbreviations:) s 26 r 70 c -3 r (ricc) s 18 r (for) s cmsy10.1643-36 @sf 18 r 102 c cmr10.1643-34 @sf 0 r (DOE,NASA,DCA,NSF) s cmsy10.1643-36 @sf 0 r 103 c cmr10.1643-34 @sf 0 r 44 c 18 r 70 c 19 r (for) s 18 r 70 c -3 r (ederal) s 17 r (Agency) s -3 r 44 c 18 r (Re) s 0 2678 p (Estrin) s 1647 r ([P) s -1 r (age) s 14 r (10]) s @eop 9 @bop0 cmbx10.1643-39 @sf [<000001F0000003FC000003FC000007FE000007FE00000FFF00000FFF00000F8700000F03001FFE0300FFFF0001FC1F8007F8 3FE00FDC3BF01F8FF1F83F87C1FC3F0000FC7F0000FE7E00007E7E00007EFE00007FFE00007FFE00007FFE00007FFE00007F FE00007FFE00007FFE00007FFE00007F7E00007E7F0000FE7F0000FE3F0000FC1F8001F81F8001F80FC003F007E007E001F8 1F8000FFFF00001FF800> 32 40 -3 9 39.266] 81 @dc [ 40 31 -2 0 40.908] 72 @dc [ 32 31 -2 0 31.438] 76 @dc [<0007FF0007FF0000F80000F80000F80000F80000F80000F80000F803F8F80FFEF81F87F83F03F87E01F87E00F8FC00F8FC00 F8FC00F8FC00F8FC00F8FC00F8FC00F8FE00F87E00F87E01F83F03F81FC7780FFE3803F818> 24 29 -2 9 27.588] 113 @dc 9 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmr10.1643-34 @sf 114 45 p (reject) s 18 r 97 c 18 r (route) s 18 r (based) s 18 r (on) s 18 r (an) s -1 r 121 c 17 r (AD) s 18 r (\(or) s 18 r (com) s 0 r (bination) s 17 r (of) s 18 r (ADs\)) s 18 r (in) s 18 r (the) s 18 r (route.) s 29 r (Similarly) s -3 r 44 c 18 r 97 c 18 r (transit) s 114 102 p (AD) s 15 r (could) s 15 r (express) s 15 r 97 c 15 r (pac) s 0 r 107 c -2 r (et) s 14 r (forw) s 0 r (arding) s 14 r 112 c 1 r (olicy) s 15 r (that) s 15 r 98 c 2 r (eha) s -1 r 118 c -1 r (es) s 14 r (di\013eren) s 0 r (tly) s 14 r (dep) s 1 r (ending) s 15 r (up) s 1 r (on) s 16 r (whic) s -1 r 104 c 114 158 p (ADs) s 15 r 97 c 15 r (pac) s 0 r 107 c -1 r (et) s 14 r (has) s 16 r (passed) s 15 r (through,) s 15 r (and) s 16 r (is) s 15 r (going) s 16 r (to) s 15 r (pass) s 15 r (through,) s 16 r (en) s 15 r (route) s 16 r (to) s 15 r (the) s 15 r (destination.) s 114 214 p (Less) s 13 r (am) s -1 r (bitious) s 12 r (\(and) s 13 r 112 c 1 r (erhaps) s 13 r (more) s 13 r (reasonable\)) s 13 r (path) s 13 r (sensitiv) s 0 r 101 c 12 r 112 c 1 r (olicies) s 13 r (migh) s 0 r 116 c 12 r (only) s 13 r (discriminate) s 114 271 p (according) s 15 r (to) s 15 r (the) s 16 r (immediate) s 15 r (neigh) s 0 r 98 c 0 r (or) s 15 r (ADs) s 16 r (through) s 15 r (whic) s 0 r 104 c 14 r (the) s 15 r (pac) s 0 r 107 c -1 r (et) s 14 r (is) s 15 r (tra) s 0 r 118 c -1 r (eling) s 14 r (\(i.e.,) s 16 r 97 c 15 r (stub) s 114 327 p (net) s -1 r 119 c -1 r (ork) s 18 r (could) s 19 r (reject) s 19 r 97 c 18 r (route) s 19 r (based) s 19 r (on) s 19 r (the) s 19 r (\014rst) s 18 r (transit) s 19 r (AD) s 19 r (in) s 19 r (the) s 19 r (route,) s 19 r (and) s 19 r 97 c 19 r (transit) s 19 r (AD) s 114 384 p (could) s 11 r (express) s 12 r 97 c 12 r (pac) s 0 r 107 c -2 r (et) s 11 r (forw) s 0 r (arding) s 11 r 112 c 1 r (olicy) s 12 r (that) s 12 r (dep) s 1 r (ends) s 12 r (up) s 1 r (on) s 12 r (the) s 11 r (previous,) s 13 r (and) s 12 r (the) s 11 r (subsequen) s 0 r (t,) s 114 440 p (transit) s 15 r (ADs) s 15 r (in) s 15 r (the) s 15 r (route.\)) s cmsy10.1643-36 @sf 68 534 p 15 c cmbx10.1643-39 @sf 23 r (Qualit) s -1 r (y/T) s -1 r (yp) s 0 r 101 c 18 r (of) s 17 r (Service) s 18 r (\(QOS) s 17 r (or) s 18 r (TOS\)) s cmr10.1643-34 @sf 114 591 p (This) s 18 r 116 c 0 r (yp) s 0 r 101 c 19 r (of) s 18 r 112 c 1 r (olicy) s 19 r (restricts) s 18 r (access) s 19 r (to) s 18 r (sp) s 2 r (ecial) s 18 r (resources) s 19 r (or) s 18 r (services.) s 30 r 70 c -2 r (or) s 17 r (example,) s 19 r 97 c 19 r (sp) s 1 r (ecial) s 114 647 p (high) s 15 r (throughput,) s 15 r (lo) s 0 r 119 c 14 r (dela) s 0 r 121 c 14 r (link) s 15 r (ma) s 0 r 121 c 14 r 98 c 1 r 101 c 15 r (made) s 15 r 97 c 0 r 118 c -2 r (ailable) s 14 r (on) s 15 r 97 c 15 r (selectiv) s 0 r 101 c 14 r (basis.) s cmsy10.1643-36 @sf 68 741 p 15 c cmbx10.1643-39 @sf 23 r (Resource) s 17 r (Guaran) s 0 r (tee) s cmr10.1643-34 @sf 114 797 p (These) s 15 r 112 c 2 r (olicies) s 15 r (pro) s 0 r (vide) s 15 r 97 c 15 r (guaran) s 0 r (teed) s 15 r 112 c 1 r (ercen) s 0 r (tage) s 14 r (of) s 16 r 97 c 15 r (resource) s 16 r (on) s 16 r 97 c 15 r (selectiv) s 0 r (e,) s 15 r (as) s 16 r (needed) s 15 r (basis.) s 114 854 p (In) s 13 r (other) s 14 r 119 c 0 r (ords,) s 13 r (the) s 14 r (resource) s 14 r (can) s 14 r 98 c 1 r 101 c 14 r (used) s 14 r 98 c -1 r 121 c 13 r (others) s 14 r (if) s 14 r (the) s 14 r (preferred-AD's) s 14 r (o\013ered) s 14 r (load) s 13 r (is) s 14 r 98 c 2 r (elo) s -1 r 119 c 114 910 p (the) s 15 r (guaran) s 0 r (teed) s 14 r (lev) s 0 r (el) s 14 r (of) s 15 r (service.) s 20 r (The) s 15 r (guaran) s 0 r (tee) s 14 r (ma) s 0 r 121 c 14 r 98 c 2 r 101 c 15 r (to) s 15 r (alw) s 0 r 97 c -1 r (ys) s 14 r (carry) s 15 r (in) s 0 r (tra-AD) s 14 r (tra\016c) s 15 r (or) s 15 r (to) s 114 967 p (alw) s -1 r 97 c -1 r (ys) s 14 r (carry) s 15 r (in) s 0 r (ter-AD) s 14 r (tra\016c) s 15 r (for) s 16 r 97 c 15 r (sp) s 1 r (eci\014c) s 15 r (AD.) s cmsy10.1643-36 @sf 68 1060 p 15 c cmbx10.1643-39 @sf 23 r 84 c -3 r (emp) s 0 r (oral) s cmr10.1643-34 @sf 114 1117 p 84 c -3 r (emp) s 0 r (oral) s 15 r 112 c 2 r (olicies) s 15 r (restrict) s 15 r (usage) s 15 r (based) s 15 r (on) s 15 r (the) s 15 r (time) s 16 r (of) s 15 r (da) s -1 r 121 c 15 r (or) s 15 r (other) s 15 r (time) s 15 r (related) s 15 r (parameters.) s cmsy10.1643-36 @sf 68 1211 p 15 c cmbx10.1643-39 @sf 23 r (High) s 17 r (Lev) s 0 r (el) s 16 r (Proto) s 2 r (col) s cmr10.1643-34 @sf 114 1267 p (Usage) s 18 r (ma) s -1 r 121 c 18 r 98 c 1 r 101 c 18 r (restricted) s 18 r (to) s 18 r 97 c 18 r (sp) s 1 r (eci\014c) s 18 r (high) s 18 r (lev) s 0 r (el) s 17 r (proto) s 2 r (col) s 18 r (suc) s -1 r 104 c 17 r (as) s 18 r (mail) s 19 r (or) s 18 r (\014le) s 18 r (transfer.) s 29 r (\(Al-) s 114 1324 p (ternativ) s -1 r (ely) s -3 r 44 c 14 r (suc) s 0 r 104 c 14 r 112 c 1 r (olicies) s 16 r (can) s 15 r 98 c 1 r 101 c 16 r (implemen) s -1 r (ted) s 15 r (as) s 15 r (source/destination) s 16 r 112 c 1 r (olicies) s 15 r 98 c 0 r 121 c 14 r (con\014guring) s 16 r 97 c 114 1380 p (host\(s\)) s 12 r (within) s 13 r (an) s 13 r (AD) s 13 r (as) s 12 r (an) s 13 r (application) s 13 r (rela) s -1 r 121 c 12 r (and) s 13 r (comp) s 1 r (osing) s 13 r 112 c 1 r (olicy) s 13 r (terms) s 13 r (that) s 12 r (allo) s 0 r 119 c 12 r (in) s 0 r (ter-AD) s 114 1437 p (access) s 15 r (to) s 15 r (only) s 15 r (that) s 15 r (host.\)) s cmsy10.1643-36 @sf 68 1530 p 15 c cmbx10.1643-39 @sf 23 r (Resource) s 17 r (limit) s cmr10.1643-34 @sf 114 1587 p (There) s 13 r (ma) s 0 r 121 c 13 r 98 c 1 r 101 c 14 r 97 c 13 r (limit) s 14 r (on) s 14 r (the) s 14 r (amoun) s -1 r 116 c 13 r (of) s 14 r (tra\016c) s 13 r (load) s 14 r 97 c 14 r (source) s 14 r (ma) s -1 r 121 c 13 r (generate) s 14 r (during) s 13 r 97 c 14 r (particular) s 114 1643 p (time) s 15 r (in) s 0 r (terv) s -3 r (al,) s 14 r (e.g.,) s 15 r (so) s 15 r (man) s 0 r 121 c 14 r (pac) s 0 r 107 c -1 r (ets) s 14 r (in) s 15 r 97 c 15 r (da) s 0 r 121 c -4 r 44 c 14 r (hour,) s 16 r (or) s 15 r (min) s -1 r (ute.) s cmsy10.1643-36 @sf 68 1737 p 15 c cmbx10.1643-39 @sf 23 r (Authen) s -1 r (tication) s 17 r (requiremen) s -1 r (ts) s cmr10.1643-34 @sf 114 1794 p (Conditions) s 17 r (ma) s -1 r 121 c 17 r 98 c 1 r 101 c 17 r (sp) s 1 r (eci\014ed) s 17 r (regarding) s 17 r (the) s 18 r (authen) s -1 r (ticabilit) s -1 r 121 c 16 r (of) s 17 r (principal) s 17 r (iden) s 0 r (tifying) s 16 r (informa-) s 114 1850 p (tion.) s 40 r (Some) s 22 r (ADs) s 22 r (migh) s -1 r 116 c 21 r (require) s 22 r (some) s 22 r (form) s 22 r (of) s 21 r (cryptographic) s 22 r (pro) s 2 r (of) s 21 r (as) s 22 r (to) s 22 r (the) s 22 r (iden) s 0 r (tit) s -2 r 121 c 21 r (and) s 114 1906 p (a\016liations) s 15 r (of) s 15 r (the) s 15 r (principal) s 15 r 98 c 2 r (efore) s 15 r (pro) s -1 r (viding) s 15 r (access) s 15 r (to) s 15 r (critical) s 15 r (resources.) s 0 2039 p (The) s 20 r (ab) s 1 r 111 c 0 r 118 c -1 r 101 c 19 r 112 c 1 r (olicy) s 20 r 116 c 0 r (yp) s 0 r (es) s 21 r (usually) s 20 r (exist) s 20 r (in) s 20 r (com) s 0 r (bination) s 19 r (for) s 20 r 97 c 20 r (particular) s 20 r (AD,) s 20 r (i.e.,) s 22 r (an) s 20 r (AD's) s 20 r 112 c 1 r (olicies) s 0 2096 p (migh) s 0 r 116 c 14 r (express) s 16 r 97 c 16 r (com) s -1 r (bination) s 15 r (of) s 16 r (transit,) s 15 r (source/destination,) s 16 r (and) s 16 r (QOS) s 16 r (restrictions.) s 21 r (This) s 16 r (taxonom) s 0 r 121 c 0 2152 p (will) s 15 r (ev) s 0 r (olv) s -1 r 101 c 14 r (as) s 15 r (PR) s 15 r (is) s 15 r (applied) s 15 r (to) s 16 r (other) s 15 r (domains.) s 71 2248 p (As) s 18 r (will) s 18 r 98 c 2 r 101 c 18 r (seen) s 19 r (in) s 18 r (Section) s 19 r (6.3) s 18 r (an) s 18 r (AD) s 19 r (can) s 18 r (express) s 19 r (its) s 18 r 99 c 0 r (harging) s 17 r (and) s 19 r (access) s 18 r 112 c 2 r (olicies) s 18 r (in) s 18 r 97 c 19 r (single) s 0 2304 p (syn) s 0 r (tax.) s 26 r (Moreo) s -1 r 118 c -1 r (er,) s 17 r 98 c 1 r (oth) s 18 r (stub) s 17 r (and) s 18 r (transit) s 17 r 112 c 1 r (olicies) s 18 r (can) s 17 r (co) s 1 r (exist.) s 27 r (This) s 18 r (is) s 17 r (imp) s 1 r (ortan) s 0 r 116 c 16 r (since) s 18 r (some) s 17 r (ADs) s 0 2361 p (op) s 1 r (erate) s 15 r (as) s 16 r 98 c 1 r (oth) s 15 r (stub) s 15 r (and) s 15 r (transit) s 15 r (facilities) s 16 r (and) s 15 r (require) s 15 r (suc) s 0 r 104 c 14 r 104 c 0 r (ybrid) s 14 r (con) s -1 r (trol.) s 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (9]) s @eop 8 @bop0 cmbx10.2160-55 @sf [<007FE00001FFF80003FFFC0007F0FF000FC03F801F803F803F801FC03F801FC07F001FE07F001FE07F001FE07F001FE0FF00 1FE0FF001FE0FF001FE0FF001FE0FF801FC0FF801FC0FF801FC0FFC03F80FFE03F00FF70FE00FF3FF800FF1FE000FF000000 7F0000007F0000007F001E007F803F003F807F803F807F801FC07F800FC07F800FE03F8007F81F0001FE1F0000FFFE00003F FC000007F800> 32 39 -3 0 34.370] 54 @dc cmbx12.1500-48 @sf [<7FFFE07FFFE001F80001F80001F80001F80001F80001F80001F80001F80001F80001F80001F80001F80001F80001F80001F8 0001F80001F80001F80001F80001F80001F80001F80001F80001F80001F800FFF800FFF80001F800007800001800> 24 32 -4 0 28.019] 49 @dc [ 40 34 -2 0 42.317] 65 @dc cmti10.1643-37 @sf [ 8 14 -3 9 13.939] 44 @dc 8 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx10.2160-55 @sf 0 45 p 54 c 69 r 80 c -1 r (olicy) s 22 r 116 c -1 r (yp) s 1 r (es) s cmr10.1643-34 @sf 0 186 p (This) s 21 r (section) s 21 r (outlines) s 21 r 97 c 21 r (taxonom) s 0 r 121 c 20 r (of) s 21 r (in) s 0 r (ternet) s 20 r 112 c 1 r (olicies) s 21 r (for) s 21 r (in) s 0 r (ter-AD) s 20 r (top) s 1 r (ologies) s 21 r (that) s 21 r (allo) s 0 r 119 c 20 r (lateral) s 0 242 p (and) s 19 r 98 c 0 r (ypass) s 18 r (links.) s 33 r (The) s 19 r (taxonom) s 0 r 121 c 18 r (is) s 19 r (in) s 0 r (tended) s 18 r (to) s 20 r (co) s -1 r 118 c -1 r (er) s 19 r 97 c 19 r (wide) s 19 r (range) s 19 r (of) s 20 r (ADs) s 19 r (and) s 19 r (in) s 0 r (ternets.) s 32 r (An) s -1 r 121 c 0 299 p (particular) s 16 r (PR) s 15 r (arc) s 0 r (hitecture) s 15 r 119 c -1 r 101 c 15 r (design) s 16 r (should) s 15 r (supp) s 2 r (ort) s 15 r 97 c 16 r (signi\014can) s 0 r 116 c 14 r (subset) s 16 r (of) s 15 r (these) s 16 r 112 c 1 r (olicy) s 16 r 116 c 0 r (yp) s 0 r (es) s 16 r (but) s 0 355 p (ma) s 0 r 121 c 18 r (not) s 20 r (supp) s 1 r (ort) s 20 r (all) s 20 r (of) s 19 r (them) s 20 r (due) s 20 r (to) s 19 r (tec) s 0 r (hnical) s 19 r (complexit) s -1 r 121 c 19 r (and) s 20 r 112 c 1 r (erformance) s 19 r (considerations.) s 34 r (The) s 0 412 p (general) s 14 r (taxonom) s 0 r 121 c 13 r (is) s 13 r (imp) s 2 r (ortan) s -1 r 116 c 13 r (input) s 14 r (to) s 14 r 97 c 14 r (functional) s 14 r (sp) s 1 r (eci\014cation) s 14 r (for) s 14 r (PR.) s 14 r (Moreo) s 0 r 118 c -2 r (er,) s 13 r (it) s 14 r (can) s 14 r 98 c 2 r 101 c 13 r (used) s 0 468 p (to) s 21 r (ev) s -2 r (aluate) s 20 r (and) s 21 r (compare) s 21 r (the) s 21 r (suitabilit) s 0 r 121 c 20 r (and) s 21 r (completeness) s 21 r (of) s 21 r (existing) s 21 r (routing) s 21 r (arc) s -1 r (hitectures) s 20 r (and) s 0 524 p (proto) s 1 r (cols) s 15 r (for) s 16 r (PR;) s 15 r (see) s 15 r (Section) s 15 r (8.) s 71 620 p 87 c -3 r 101 c 17 r (pro) s 0 r (vide) s 18 r (examples) s 19 r (from) s 18 r (the) s 19 r (Researc) s 0 r 104 c 17 r (In) s 0 r (ternet) s 18 r (of) s 18 r (the) s 19 r (di\013eren) s 0 r 116 c 17 r 112 c 2 r (olicy) s 18 r 116 c 0 r (yp) s 0 r (es) s 19 r (in) s 19 r (the) s 18 r (form) s 19 r (of) s 0 676 p (resource) s 14 r (usage) s 14 r 112 c 2 r (olicy) s 14 r (statemen) s 0 r (ts.) s 19 r (These) s 14 r (statemen) s -1 r (ts) s 14 r 119 c -1 r (ere) s 14 r (collected) s 14 r (through) s 14 r (in) s 0 r (terviews) s 13 r (with) s 14 r (agency) s 0 733 p (represen) s 0 r (tativ) s -2 r (es,) s 18 r (but) s 18 r (they) s cmti10.1643-37 @sf 17 r (do) s 19 r (not) s cmr10.1643-34 @sf 18 r (represen) s -1 r 116 c 17 r (o\016cial) s 18 r 112 c 1 r (olicy) s -3 r 46 c 27 r (These) s 18 r (sample) s 18 r 112 c 1 r (olicy) s 18 r (statemen) s 0 r (ts) s 16 r (should) s cmti10.1643-37 @sf 0 789 p (not) s cmr10.1643-34 @sf 15 r 98 c 1 r 101 c 16 r (in) s -1 r (terpreted) s 14 r (as) s 16 r (agency) s 15 r 112 c 1 r (olicy) s -3 r 44 c 14 r (they) s 16 r (are) s 15 r (pro) s -1 r (vided) s 15 r (here) s 15 r (only) s 15 r (as) s 15 r (examples.) s 71 885 p (In) s -1 r (ternet) s 20 r 112 c 1 r (olicies) s 21 r (fall) s 21 r (in) s 0 r (to) s 20 r 116 c 0 r 119 c -2 r 111 c 20 r (classes,) s 23 r (access) s 20 r (and) s 21 r 99 c 0 r (harging.) s 36 r (Access) s 21 r 112 c 2 r (olicies) s 21 r (sp) s 1 r (ecify) s 21 r (who) s 21 r (can) s 0 941 p (use) s 16 r (resources) s 15 r (and) s 16 r (under) s 16 r (what) s 15 r (conditions.) s 22 r (Charging) s 16 r 112 c 1 r (olicies) s 15 r (sp) s 2 r (ecify) s 15 r (the) s 16 r (metering,) s 16 r (accoun) s 0 r (ting,) s 14 r (and) s 0 998 p (billing) s 15 r (implemen) s 0 r (ted) s 14 r 98 c 0 r 121 c 14 r 97 c 15 r (particular) s 15 r (AD.) s cmbx12.1500-48 @sf 0 1159 p (6.1) s 56 r 84 c -4 r (axonom) s -1 r 121 c 17 r (of) s 19 r (Access) s 19 r 80 c -1 r (olicies) s cmr10.1643-34 @sf 0 1284 p 87 c -3 r 101 c 15 r (ha) s 0 r 118 c -1 r 101 c 15 r (iden) s 0 r (ti\014ed) s 15 r (the) s 16 r (follo) s 0 r (wing) s 15 r 116 c 0 r (yp) s 0 r (es) s 17 r (of) s 16 r (access) s 16 r 112 c 1 r (olicies) s 16 r (that) s 17 r (ADs) s 16 r (ma) s 0 r 121 c 15 r (wish) s 16 r (to) s 16 r (enforce.) s 24 r (Charging) s 0 1340 p 112 c 1 r (olicies) s 20 r (are) s 19 r (describ) s 1 r (ed) s 19 r (in) s 20 r (the) s 19 r (subsequen) s 0 r 116 c 18 r (section.) s 33 r (Section) s 19 r (6.3) s 19 r (pro) s 0 r (vides) s 18 r (more) s 20 r (sp) s 1 r (eci\014c) s 19 r (examples) s 20 r (of) s 0 1397 p 98 c 1 r (oth) s 15 r (access) s 16 r (and) s 15 r 99 c -1 r (harging) s 15 r 112 c 1 r (olicies) s 15 r (using) s 15 r (FRICC) s 15 r 112 c 2 r (olicy) s 15 r (statemen) s -1 r (ts) s 15 r 46 c 71 1492 p (Access) s 21 r 112 c 1 r (olicies) s 22 r 116 c -1 r (ypically) s 21 r (are) s 21 r (expressed) s 22 r (in) s 21 r (the) s 21 r (form:) s cmti10.1643-37 @sf 33 r (princip) s -1 r (als) s 21 r (of) s 22 r (typ) s -1 r 101 c 21 r 120 c 22 r 99 c -2 r (an) s 21 r (have) s 22 r (ac) s -1 r 99 c -2 r (ess) s 21 r (to) s 0 1549 p 114 c -1 r (esour) s -3 r 99 c -2 r (es) s 15 r (of) s 17 r (typ) s -2 r 101 c 16 r 121 c 16 r (under) s 17 r (the) s 16 r (fol) s 2 r (lowing) s 17 r 99 c -2 r (onditions,) s 16 r 122 c cmr10.1643-34 @sf 0 r 46 c 20 r (The) s 15 r 112 c 2 r (olicies) s 15 r (are) s 15 r (categorized) s 15 r 98 c 2 r (elo) s -1 r 119 c 15 r (according) s 0 1605 p (to) s 16 r (the) s 16 r (de\014nition) s 17 r (of) s 16 r 121 c 16 r (and) s 16 r (z.) s 23 r (In) s 17 r (an) s -1 r 121 c 16 r (particular) s 16 r (instance,) s 16 r (eac) s 0 r 104 c 15 r (of) s 16 r (the) s 16 r 112 c 2 r (olicy) s 16 r 116 c 0 r (yp) s 0 r (es) s 16 r 119 c 0 r (ould) s 15 r 98 c 1 r 101 c 16 r (further) s 0 1662 p (quali\014ed) s 15 r 98 c 0 r 121 c 14 r (de\014nition) s 15 r (of) s 15 r (legitimate) s 16 r (principals,) s 15 r (x,) s 15 r (i.e.,) s 15 r (what) s 15 r 99 c 0 r (haracteristics) s 14 r 120 c 15 r 109 c 0 r (ust) s 14 r (ha) s 0 r 118 c -1 r 101 c 14 r (in) s 15 r (order) s 15 r (to) s 0 1718 p (access) s 15 r (the) s 15 r (resource) s 15 r (in) s 16 r (question.) s 71 1814 p 87 c -3 r 101 c 17 r (refer) s 18 r (to) s 18 r (access) s 18 r 112 c 1 r (olicies) s 18 r (describ) s 1 r (ed) s 18 r 98 c 0 r 121 c 17 r (stub) s 18 r (and) s 18 r (transit) s 18 r (ADs.) s 28 r (The) s 18 r 116 c 0 r 119 c -1 r 111 c 17 r (roles) s 18 r (imply) s 18 r (di\013eren) s -1 r 116 c 0 1870 p (motiv) s -2 r (ations) s 14 r (for) s 14 r (resource) s 15 r (con) s -1 r (trol,) s 14 r (ho) s 0 r 119 c -1 r (ev) s -2 r (er) s 14 r (the) s 14 r 116 c 0 r (yp) s 0 r (es) s 15 r (of) s 14 r 112 c 1 r (olicies) s 15 r (expressed) s 14 r (are) s 14 r (similar;) s 15 r 119 c 0 r 101 c 13 r (exp) s 2 r (ect) s 14 r (the) s 0 1927 p (supp) s 1 r (orting) s 15 r (mec) s 0 r (hanisms) s 14 r (to) s 15 r 98 c 2 r 101 c 15 r (common) s 15 r (as) s 15 r 119 c 0 r (ell.) s 71 2022 p (Stub) s 15 r (and) s 15 r (transit) s 15 r (access) s 15 r 112 c 1 r (olicies) s 16 r (ma) s -1 r 121 c 14 r (sp) s 2 r (ecify) s 15 r (an) s 0 r 121 c 14 r (of) s 15 r (the) s 15 r (follo) s 0 r (wing) s 14 r (parameters:) s cmsy10.1643-36 @sf 68 2155 p 15 c cmbx10.1643-39 @sf 23 r (Source/Destination) s cmr10.1643-34 @sf 114 2212 p (Source/Destination) s 16 r 112 c 2 r (olicies) s 17 r (prev) s -1 r (en) s -1 r 116 c 16 r (or) s 17 r (restrict) s 17 r (comm) s -1 r (unication) s 16 r (originated) s 17 r 98 c 0 r 121 c 15 r (or) s 17 r (destined) s 17 r (for) s 114 2268 p (particular) s 15 r (ADs) s 15 r (\(or) s 15 r (hosts) s 15 r (or) s 15 r (user) s 16 r (classes) s 15 r (within) s 15 r (an) s 15 r (AD\).) s cmsy10.1643-36 @sf 68 2362 p 15 c cmbx10.1643-39 @sf 23 r 80 c -1 r (ath) s cmr10.1643-34 @sf 114 2418 p 80 c -1 r (ath) s 16 r (sensitiv) s 0 r 101 c 16 r 112 c 2 r (olicies) s 17 r (sp) s 1 r (ecify) s 17 r (whic) s 0 r 104 c 16 r (ADs) s 17 r (ma) s 0 r 121 c 16 r (or) s 17 r (ma) s 0 r 121 c 16 r (not) s 17 r 98 c 1 r 101 c 17 r (passed) s 17 r (through) s 17 r (en) s 18 r (route) s 17 r (to) s 17 r 97 c 114 2475 p (destination.) s 24 r (The) s 16 r (most) s 16 r (general) s 17 r (path) s 16 r (sensitiv) s 0 r 101 c 15 r 112 c 1 r (olicies) s 17 r (allo) s 0 r 119 c 15 r (stub) s 16 r (and) s 17 r (transit) s 16 r (ADs) s 16 r (to) s 17 r (express) s 114 2531 p 112 c 1 r (olicies) s 18 r (that) s 18 r (dep) s 2 r (end) s 18 r (on) s cmti10.1643-37 @sf 18 r (any) s 19 r 99 c -1 r (omp) s -2 r (onent) s cmr10.1643-34 @sf 17 r (in) s 18 r (the) s 19 r (AD) s 18 r (path.) s 30 r (In) s 18 r (other) s 18 r 119 c 0 r (ords,) s 18 r 97 c 18 r (stub) s 18 r (AD) s 19 r (could) s 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (8]) s @eop 7 @bop0 cmr9.1500-18 @sf [ 24 16 -1 0 20.265] 120 @dc 7 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmr10.1643-34 @sf 0 45 p (the) s 15 r (complex) s 16 r (case,) s 15 r (lateral) s 16 r (connections) s 15 r 109 c 0 r (ust) s 15 r 98 c 1 r 101 c 15 r (supp) s 2 r (orted,) s 15 r (along) s 16 r (with) s 15 r (the) s 16 r (means) s 15 r (to) s 16 r (con) s -1 r (trol) s 15 r (the) s 15 r (use) s 0 102 p (of) s 15 r (suc) s 0 r 104 c 14 r (connections) s 15 r (in) s 15 r (the) s 15 r (routing) s 16 r (proto) s 1 r (cols.) s 71 197 p (The) s 21 r (di\013eren) s 0 r 116 c 20 r (top) s 2 r (ologies) s 21 r (imply) s 22 r (di\013eren) s -1 r 116 c 21 r 112 c 1 r (olicy) s 22 r (requiremen) s 0 r (ts.) s 38 r (The) s 21 r (\014rst) s 22 r (mo) s 1 r (del) s 22 r (assumes) s 21 r (that) s 0 254 p (all) s 18 r 112 c 1 r (olicies) s 18 r (can) s 17 r 98 c 1 r 101 c 18 r (expressed) s 18 r (and) s 17 r (enforced) s 18 r (in) s 18 r (terms) s 17 r (of) s 18 r (dollars) s 17 r (and) s 18 r (cen) s 0 r (ts) s 16 r (and) s 18 r (distributed) s 18 r 99 c -1 r (harging) s 0 310 p (sc) s 0 r (hemes.) s 18 r (The) s 10 r (second) s 11 r (mo) s 1 r (del) s 11 r (assumes) s 11 r (that) s 11 r (ADs) s 11 r 119 c 0 r (an) s -2 r 116 c 10 r (more) s 11 r 118 c -1 r (aried) s 9 r (con) s 0 r (trol) s 10 r 111 c 0 r 118 c -2 r (er) s 10 r (their) s 11 r (resources,) s 12 r (con) s 0 r (trol) s 0 367 p (that) s 19 r (can) s 18 r (not) s 19 r 98 c 1 r 101 c 19 r (captured) s 19 r (in) s 18 r 97 c 19 r (dollars) s 19 r (and) s 18 r (cen) s 0 r (ts) s 18 r (metric) s 18 r (alone.) s 31 r 87 c -3 r 101 c 18 r (describ) s 1 r 101 c 19 r (the) s 19 r 116 c -1 r (yp) s 1 r (es) s 18 r (of) s 19 r 112 c 1 r (olicies) s 0 423 p (to) s 17 r 98 c 2 r 101 c 17 r (supp) s 1 r (orted) s 18 r (and) s 17 r (pro) s 0 r (vide) s 16 r (examples) s 18 r (in) s 17 r (the) s 18 r (follo) s -1 r (wing) s 17 r (section,) s 18 r (Section) s 17 r (6.) s 27 r (In) s 18 r (brief,) s 18 r (giv) s -1 r (en) s 17 r (priv) s -2 r (ate) s 0 479 p (lateral) s 18 r (links,) s 18 r (ADs) s 17 r 109 c 0 r (ust) s 17 r 98 c 1 r 101 c 17 r (able) s 18 r (to) s 18 r (express) s 17 r (access) s 18 r (and) s 17 r 99 c 0 r (harging) s 17 r (related) s 17 r (restrictions) s 18 r (and) s 17 r (privileges) s 0 536 p (that) s 16 r (discriminate) s 16 r (on) s 16 r (an) s 17 r (AD) s 16 r (basis.) s 23 r (These) s 16 r 112 c 1 r (olicies) s 17 r (will) s 16 r 98 c 1 r 101 c 16 r (div) s 0 r (erse,) s 15 r (dynamic,) s 17 r (and) s 16 r (new) s 16 r (requiremen) s 0 r (ts) s 0 592 p (will) s 17 r (emerge) s 16 r 111 c 0 r 118 c -1 r (er) s 15 r (time,) s 17 r (consequen) s 0 r (tly) s 16 r (supp) s 1 r (ort) s 16 r 109 c 0 r (ust) s 16 r 98 c 1 r 101 c 17 r (extensible.) s 24 r 70 c -3 r (or) s 16 r (example,) s 17 r (the) s 16 r (pac) s 0 r 107 c -2 r (aging) s 15 r (and) s 0 649 p 99 c 0 r (harging) s 12 r (sc) s -1 r (hemes) s 12 r (of) s 13 r (an) s 0 r 121 c 12 r (single) s 13 r (long) s 12 r (haul) s 13 r (service) s 13 r (will) s 13 r 118 c -2 r (ary) s 12 r 111 c 0 r 118 c -1 r (er) s 12 r (time) s 13 r (and) s 12 r (ma) s 0 r 121 c 12 r 98 c 1 r 101 c 13 r (relativ) s 0 r (ely) s 12 r (elab) s 1 r (orate) s 0 705 p (\(e.g.,) s 15 r (man) s 0 r 121 c 14 r (tiers) s 15 r (of) s 15 r (service,) s 15 r (sp) s 2 r (ecial) s 15 r (pac) s 0 r 107 c -3 r (age) s 14 r (deals,) s 15 r (to) s 16 r (ac) s -1 r (hiev) s -1 r 101 c 14 r (price) s 15 r (discrimination\).) s 71 801 p (Note) s 18 r (that) s 19 r (these) s 19 r (assumptions) s 19 r (ab) s 1 r (out) s 19 r (complexit) s 0 r 121 c 17 r (do) s 19 r (not) s 19 r (preclude) s 19 r (some) s 19 r (collection) s 18 r (of) s 19 r (ADs) s 19 r (from) s 0 857 p (\\negotiating) s 13 r 97 c 0 r 119 c -1 r 97 c -1 r (y") s 12 r (their) s 13 r 112 c 1 r (olicy) s 14 r (di\013erences,) s 13 r (i.e.,) s 14 r (forming) s 13 r 97 c 14 r (federation,) s 13 r (and) s 14 r (co) s 1 r (ordinating) s 13 r 97 c 14 r (simpli\014ed) s 0 914 p (in) s 0 r (ter-AD) s 18 r (con\014guration) s 19 r (in) s 19 r (order) s 19 r (to) s 19 r (reduce) s 19 r (the) s 20 r (requiremen) s -1 r (ts) s 18 r (for) s 19 r (in) s 0 r (ter-AD) s 18 r (mec) s 0 r (hanisms.) s 31 r (Ho) s 0 r 119 c -1 r (ev) s -2 r (er,) s 0 970 p 119 c 0 r 101 c 21 r (main) s 0 r (tain) s 21 r (that) s 23 r (there) s 22 r (will) s 23 r 112 c 1 r (ersist) s 23 r (collections) s 22 r (of) s 23 r (ADs) s 22 r (that) s 23 r (will) s 22 r (not) s 23 r (and) s 22 r (can) s 22 r (not) s 23 r 98 c 1 r (eha) s 0 r 118 c -1 r 101 c 21 r (as) s 23 r 97 c 0 1027 p (single) s 18 r (federation;) s 18 r 98 c 1 r (oth) s 18 r (in) s 18 r (the) s 17 r (researc) s 0 r 104 c 16 r (comm) s 0 r (unit) s -1 r 121 c 16 r (and,) s 18 r (ev) s 0 r (en) s 17 r (more) s 17 r (predominan) s 0 r (tly) s -4 r 44 c 17 r (in) s 18 r (the) s 17 r (broader) s 0 1083 p (commercial) s 23 r (arena.) s 42 r (Moreo) s 0 r 118 c -2 r (er,) s 24 r (when) s 22 r (it) s 23 r (comes) s 22 r (to) s 23 r (in) s -1 r (terconnecting) s 22 r (across) s 22 r (these) s 23 r (federations,) s 24 r (non-) s 0 1140 p (negotiable) s 13 r (di\013erences) s 13 r (will) s 13 r (arise) s 13 r (ev) s 0 r (en) s -2 r (tually) s -3 r 46 c 18 r (It) s 13 r (is) s 13 r (our) s 13 r (goal) s 13 r (to) s 13 r (dev) s 0 r (elop) s 12 r (mec) s -1 r (hanisms) s 12 r (that) s 13 r (are) s 13 r (applicable) s 0 1196 p (in) s 15 r (the) s 15 r (broader) s 15 r (arena.) s 71 1292 p (The) s 16 r (In) s 0 r (ternet) s 16 r (comm) s 0 r (unit) s -1 r 121 c 15 r (dev) s 0 r (elop) s 0 r (ed) s 17 r (its) s 17 r (original) s 17 r (proto) s 1 r (col) s 17 r (suite) s 17 r (with) s 17 r (only) s 17 r (minimal) s 17 r (pro) s -1 r (vision) s 16 r (for) s 0 1348 p (resource) s 16 r (con) s 0 r (trol[) s 0 r 57 c 0 r (].) s 23 r (This) s 16 r 119 c 0 r (as) s 15 r (appropriate) s 16 r (at) s 17 r (the) s 16 r (time) s 16 r (of) s 17 r (dev) s -1 r (elopmen) s -1 r 116 c 15 r (based) s 17 r (on) s 16 r (the) s 16 r (assumed) s 17 r (com-) s 0 1405 p 109 c 0 r (unit) s -2 r 121 c 16 r (\(i.e.,) s 16 r (researc) s 0 r (hers\)) s 15 r (and) s 16 r (the) s 17 r (ground) s 16 r (breaking) s 16 r (nature) s 17 r (of) s 16 r (the) s 16 r (tec) s 0 r (hnology) s -4 r 46 c 22 r (The) s 17 r (next) s 16 r (generation) s 0 1461 p (of) s 18 r (net) s 0 r 119 c -2 r (ork) s 17 r (tec) s 0 r (hnology) s 17 r (is) s 17 r (no) s 0 r 119 c 17 r 98 c 1 r (eing) s 18 r (designed) s 18 r (to) s 18 r (tak) s -1 r 101 c 17 r (adv) s -1 r (an) s -2 r (tage) s 17 r (of) s 18 r (high) s 18 r (sp) s 1 r (eed) s 18 r (media) s 18 r (and) s 17 r (to) s 18 r (sup-) s 0 1517 p 112 c 1 r (ort) s 13 r (high) s 13 r (demand) s 12 r (tra\016c) s 13 r (generated) s 13 r 98 c 0 r 121 c 11 r (more) s 13 r 112 c 1 r 111 c 0 r 119 c -1 r (erful) s 12 r (computers) s 12 r (and) s 13 r (their) s 13 r (applications.[) s 0 r (10) s 0 r 93 c 13 r (As) s 12 r (with) s 0 1574 p (TCP/IP) s 13 r 119 c -1 r 101 c 12 r (hop) s 1 r 101 c 13 r (that) s 12 r (the) s 13 r (tec) s -1 r (hnology) s 12 r 98 c 1 r (eing) s 13 r (dev) s -1 r (elop) s 1 r (ed) s 12 r (will) s 13 r (\014nd) s 12 r (itself) s 13 r (applied) s 12 r (outside) s 13 r (of) s 12 r (the) s 13 r (researc) s -1 r 104 c 0 1630 p (comm) s 0 r (unit) s -2 r 121 c -3 r 46 c 21 r (This) s 15 r (time) s 16 r (it) s 16 r 119 c -1 r (ould) s 15 r 98 c 1 r 101 c 16 r (inexcusable) s 16 r (to) s 15 r (ignore) s 16 r (resource) s 16 r (con) s 0 r (trol) s 14 r (requiremen) s 0 r (ts) s 15 r (and) s 15 r (not) s 16 r (to) s 0 1687 p (pa) s 0 r 121 c 14 r (careful) s 15 r (atten) s 0 r (tion) s 14 r (to) s 15 r (their) s 15 r (sp) s 1 r (eci\014cation.) s 71 1782 p (Finally) s -3 r 44 c 12 r 119 c 0 r 101 c 11 r (lo) s 2 r (ok) s 12 r (forw) s 0 r (ard) s 12 r (to) s 12 r (the) s 13 r (In) s 0 r (ternet) s 11 r (structure) s 13 r (taking) s 13 r (adv) s -2 r (an) s -1 r (tage) s 12 r (of) s 12 r (economies) s 13 r (of) s 13 r (scale) s 12 r (o\013ered) s 0 1839 p 98 c 0 r 121 c 19 r (enhanced) s 21 r (commercial) s 20 r (services.) s 37 r (Ho) s 0 r 119 c -2 r (ev) s -1 r (er,) s 21 r (in) s 21 r (man) s -1 r 121 c 20 r (resp) s 1 r (ects) s 21 r (the) s 20 r (problem) s 21 r (that) s 21 r (stub-ADs) s 20 r (ma) s 0 r 121 c 0 1895 p (th) s 0 r (us) s 18 r 97 c 0 r 118 c -1 r (oid,) s 19 r (will) s 20 r 98 c 1 r 101 c 20 r (faced) s 19 r 98 c 0 r 121 c 19 r (the) s 19 r 109 c 0 r (ultiple) s 18 r (regional) s 20 r (and) s 19 r (long) s 20 r (haul) s 20 r (carriers) s 19 r (pro) s 0 r (viding) s 18 r (the) s 20 r (services.) s 0 1952 p (The) s 22 r (carriers') s 21 r 99 c 0 r (harging) s 21 r (and) s 21 r (resource) s 22 r (con) s 0 r (trol) s 20 r 112 c 2 r (olicies) s 21 r (will) s 22 r 98 c 1 r 101 c 22 r (complex) s 21 r (enough) s 22 r (to) s 22 r (require) s 21 r (routing) s 0 2008 p (mec) s 0 r (hanisms) s 20 r (similar) s 22 r (to) s 22 r (ones) s 22 r 98 c 1 r (eing) s 22 r (prop) s 1 r (osed) s 22 r (for) s 22 r (the) s 21 r (complex) s 22 r (AD) s 22 r (top) s 1 r (ology) s 22 r (case) s 22 r (describ) s 1 r (ed) s 22 r (here.) s 0 2065 p (Whether) s 15 r (the) s 14 r (net) s 0 r 119 c -1 r (ork) s 13 r (structure) s 15 r (is) s 15 r (based) s 14 r (on) s 15 r (priv) s -2 r (ate) s 14 r (or) s 15 r (commercial) s 14 r (services,) s 15 r (the) s 15 r (goal) s 14 r (is) s 15 r (to) s 15 r (construct) s 0 2121 p 112 c 1 r (olicy) s 15 r (sensitiv) s 0 r 101 c 13 r (mec) s 0 r (hanisms) s 13 r (that) s 15 r (will) s 15 r 98 c 1 r 101 c 14 r (transparen) s 0 r 116 c 14 r (to) s 14 r (end) s 15 r (users) s 14 r (\(i.e.,) s 15 r (the) s 15 r (mec) s -1 r (hanisms) s 14 r (are) s 14 r (part) s 15 r (of) s 0 2178 p (the) s 15 r (routing) s 15 r (infrastructure) s 15 r (at) s 16 r (the) s 15 r (net) s -1 r 119 c -1 r (ork) s 14 r (lev) s 0 r (el,) s 14 r (and) s 15 r (not) s 16 r (an) s 15 r (end) s 15 r (to) s 15 r (end) s 15 r (concern\).) s 0 2220 p 780 2 ru cmr9.1500-18 @sf 0 2262 p (exp) s 1 r (ect) s 13 r (priv) s -1 r (ate) s 11 r (data) s 13 r (net) s 0 r 119 c -1 r (orks) s 12 r (to) s 12 r 112 c 1 r (ersist) s 13 r (for) s 13 r (the) s 12 r (near) s 13 r (future.) s 17 r (As) s 13 r (the) s 13 r (telephone) s 12 r (companies) s 13 r 98 c 1 r (egin) s 13 r (to) s 13 r (in) s -1 r (tro) s 1 r (duce) s 12 r (the) s 13 r (next) s 0 2308 p (generation) s 12 r (of) s 13 r (high) s 12 r (sp) s 1 r (eed) s 13 r (pac) s 0 r 107 c -1 r (et) s 11 r (switc) s 0 r (hed) s 12 r (services,) s 12 r (the) s 13 r (scenario) s 12 r (should) s 13 r 99 c -1 r (hange.) s 16 r (Ho) s 0 r 119 c -1 r (ev) s -1 r (er,) s 12 r 119 c 0 r 101 c 11 r (main) s 0 r (tain) s 12 r (that) s 12 r (the) s 12 r (result) s 0 2354 p (will) s 13 r 98 c 1 r 101 c 13 r 97 c 13 r (predominance,) s 13 r (but) s 13 r (not) s 13 r (complete) s 13 r (dominance,) s 14 r (of) s 13 r (public) s 13 r (carrier) s 13 r (use) s 13 r (for) s 13 r (long) s 13 r (haul) s 13 r (comm) s 0 r (unication.) s 17 r (Therefore,) s 0 2399 p (priv) s -1 r (ate) s 12 r (data) s 12 r (net) s 0 r 119 c -1 r (orks) s 12 r (will) s 13 r 112 c 1 r (ersist) s 13 r (and) s 13 r (the) s 12 r (routing) s 13 r (arc) s 0 r (hitecture) s 12 r 109 c 0 r (ust) s 12 r (accommo) s 1 r (date) s 13 r (con) s -1 r (trolled) s 12 r (in) s 0 r (terconnection.) s cmr10.1643-34 @sf 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (7]) s @eop 6 @bop0 cmr8.1500-13 @sf [<07C01FF03838701C701C600CE00EE00EE00EE00EE00EE00EE00EE00EE00E600C600C701C38381FF007C0> 16 21 -1 0 17.642] 48 @dc cmr6.1500-4 @sf [<1F003F8060C060C0C060C060C060C060C060C060C060C060404060C03F801F00> 16 16 -1 0 15.220] 48 @dc cmr9.1500-18 @sf [<3E006180F1C0F0E060E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E000E007E000000000 000000000000000000C001E001E000C0> 16 33 3 7 11.732] 106 @dc [<000C0000000C0000001E0000001E0000001E0000003D0000003D0000003D0000007880000078800000F8400000F0400000F0 400001E0200001E0200003E0300003C0100003C010000780080007800800078008000F0004000F0004001F0006001F000F00 FFE01FC0> 32 26 -1 0 28.792] 86 @dc [ 16 16 -1 0 17.065] 122 @dc [<7F0FF00E07000E07000E07000E07000E07000E07000E07000E07000E07000E07000E07000E07000E07000E0700FFFFF00E07 000E07000E07000E07000E07000E0F06060F0F070F8F0183C600FC7C> 24 26 0 0 22.398] 11 @dc 6 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmr10.1643-34 @sf 0 45 p (to) s 19 r (top) s 2 r (ology) s 19 r (and) s 19 r 112 c 2 r (olicy) s -3 r 46 c 32 r (They) s 19 r (con) s 0 r (tend) s 18 r (that) s 20 r (in) s 19 r (the) s 19 r (long) s 20 r (term) s 19 r (the) s 20 r (follo) s -1 r (wing) s 19 r (three) s 19 r (conditions) s 19 r (will) s 0 102 p (prev) s -2 r (ail:) s cmsy10.1643-36 @sf 68 224 p 15 c cmr10.1643-34 @sf 23 r (The) s 15 r (public) s 15 r (carriers) s 15 r (will) s 16 r (pro) s -1 r (vide) s 14 r 112 c 2 r (erv) s -2 r (asiv) s -1 r (e,) s 14 r (comp) s 1 r (etitiv) s 0 r (ely) s 14 r (priced,) s 15 r (high) s 15 r (sp) s 2 r (eed) s 15 r (data) s 15 r (services.) s cmsy10.1643-36 @sf 68 314 p 15 c cmr10.1643-34 @sf 23 r (The) s 11 r (resulting) s 11 r (top) s 2 r (ology) s 11 r (of) s 11 r (ADs) s 11 r (will) s 12 r 98 c 1 r 101 c 11 r (stub) s 12 r (\(not) s 11 r (transit\)) s 11 r (ADs) s 11 r (connected) s 12 r (to) s 11 r (regional) s 11 r (bac) s 0 r (kb) s 0 r (ones,) s 114 370 p (whic) s -1 r 104 c 18 r (in) s 19 r (turn) s 19 r (in) s -1 r (terconnect) s 18 r (via) s 19 r 109 c 0 r (ultiple,) s 18 r 111 c 0 r 118 c -1 r (erlapping) s 18 r (long) s 19 r (haul) s 18 r (bac) s 0 r (kb) s 0 r (ones,) s 20 r (i.e.,) s 20 r 97 c 18 r (hierarc) s 0 r 104 c -1 r 121 c 114 427 p (with) s 15 r (no) s 15 r (lateral) s 15 r (connections) s 15 r 98 c 2 r (et) s -1 r 119 c -1 r (een) s 14 r (stub-ADs) s 15 r (or) s 15 r (regionals,) s 16 r (and) s 15 r (no) s 15 r 118 c 0 r (ertical) s 14 r 98 c 0 r (ypass) s 14 r (links.) s cmsy10.1643-36 @sf 68 517 p 15 c cmr10.1643-34 @sf 23 r (The) s 18 r 112 c 1 r (olicy) s 18 r (requiremen) s 0 r (ts) s 17 r (of) s 18 r (the) s 18 r (bac) s 0 r (kb) s 0 r (one) s 19 r (and) s 18 r (stub-ADs) s 18 r (will) s 18 r 98 c 1 r 101 c 18 r (based) s 18 r (only) s 18 r (on) s 18 r 99 c 0 r (harging) s 17 r (for) s 114 573 p (resource) s 16 r (usage) s 16 r (at) s 16 r (the) s 16 r (stub-AD) s 16 r (to) s 16 r (bac) s -1 r (kb) s 1 r (one-AD) s 16 r 98 c 1 r (oundary) s -3 r 44 c 15 r (and) s 16 r (to) s 16 r (settling) s 16 r (accoun) s 0 r (ts) s 15 r 98 c 1 r (et) s 0 r 119 c -1 r (een) s 114 629 p (neigh) s -1 r 98 c 1 r (oring) s 15 r (bac) s 0 r (kb) s 0 r (one) s 15 r (pro) s 0 r (viders) s 14 r (\(regional) s 15 r (to) s 15 r (long) s 15 r (haul,) s 15 r (and) s 16 r (long) s 15 r (haul) s 15 r (to) s 15 r (long) s 15 r (haul\).) s 0 752 p (Under) s 16 r (these) s 15 r (assumptions,) s 16 r (the) s 15 r (primary) s 16 r (requiremen) s -1 r 116 c 15 r (for) s 16 r (general) s 15 r (AD) s 16 r (in) s -1 r (terconnect) s 15 r (is) s 15 r 97 c 16 r (metering) s 15 r (and) s 0 809 p 99 c 0 r (harging) s 12 r (proto) s 1 r (col.) s 20 r (The) s 13 r (routing) s 13 r (decision) s 14 r (can) s 13 r 98 c 1 r 101 c 13 r (mo) s 2 r (deled) s 13 r (as) s 13 r 97 c 13 r (simple) s 14 r (least) s 13 r (cost) s 13 r (path) s 13 r (with) s 14 r (the) s 13 r (metric) s 0 865 p (in) s 16 r (dollars) s 16 r (and) s 15 r (cen) s 0 r (ts.) s 21 r (In) s 16 r (other) s 16 r 119 c -1 r (ords,) s 15 r (restrictions) s 16 r (on) s 16 r (access) s 15 r (to) s 16 r (transit) s 16 r (services) s 16 r (will) s 15 r 98 c 2 r 101 c 15 r (minimal) s 16 r (and) s 0 922 p (the) s 16 r (functionalit) s 0 r 121 c 15 r (pro) s 0 r (vided) s 15 r 98 c -1 r 121 c 16 r (the) s 16 r (routing) s 16 r (proto) s 1 r (col) s 16 r (need) s 16 r (not) s 16 r 98 c 1 r 101 c 17 r 99 c -1 r (hanged) s 15 r (signi\014can) s 0 r (tly) s 15 r (from) s 16 r (curren) s 0 r 116 c 0 978 p (da) s 0 r 121 c 14 r (approac) s 0 r (hes.) s cmbx10.1643-39 @sf 0 1135 p (Complex) s 23 r (AD) s 23 r (top) s 1 r (ology) s 23 r (and) s 23 r 112 c 1 r (olicy) s 23 r (mo) s 2 r (del) s cmr10.1643-34 @sf 45 r (The) s 20 r (coun) s 0 r (ter) s 19 r (argumen) s 0 r 116 c 18 r (is) s 20 r (that) s 20 r 97 c 20 r (more) s 20 r (complex) s 0 1192 p (AD) s 15 r (top) s 1 r (ology) s 14 r (will) s 15 r 112 c 1 r (ersist.) s cmr8.1500-13 @sf 498 1175 p (10) s cmr10.1643-34 @sf 556 1192 p (The) s 14 r (di\013eren) s 0 r 116 c 14 r (assumptions) s 14 r (ab) s 1 r (out) s 15 r (AD) s 15 r (top) s 1 r (ology) s 14 r (lead) s 15 r (to) s 15 r (the) s 14 r (signi\014can) s 0 r (tly) s 0 1248 p (di\013eren) s 0 r 116 c 14 r (assumptions) s 15 r (ab) s 1 r (out) s 15 r (AD) s 16 r 112 c 1 r (olicies.) s 71 1344 p (This) s 18 r (mo) s 1 r (del) s 18 r (assumes) s 18 r (that) s 19 r (the) s 18 r (top) s 1 r (ology) s 18 r (of) s 18 r (ADs) s 19 r (will) s 18 r (in) s 18 r (man) s 0 r 121 c 17 r (resp) s 1 r (ects) s 18 r (agree) s 19 r (with) s 18 r (the) s 18 r (previous) s 0 1400 p (mo) s 1 r (del) s 15 r (of) s 15 r (increased) s 15 r (commercial) s 15 r (carrier) s 15 r (participation) s 15 r (and) s 15 r (resulting) s 15 r (hierarc) s 0 r (hical) s 14 r (structure.) s 20 r (Ho) s 0 r 119 c -2 r (ev) s -1 r (er,) s 0 1457 p 119 c 0 r 101 c 12 r (an) s 0 r (ticipate) s 12 r (una) s 0 r 118 c -2 r (oidable) s 13 r (and) s 13 r 112 c 1 r (ersisten) s 0 r 116 c 12 r (exceptions) s 13 r (to) s 14 r (the) s 13 r (hierarc) s 0 r 104 c -2 r 121 c -3 r 46 c 18 r 87 c -3 r 101 c 13 r (assume) s 13 r (that) s 13 r (there) s 14 r (will) s 13 r 98 c 1 r 101 c 0 1513 p 97 c 12 r (relativ) s 0 r (ely) s 11 r (small) s 13 r 110 c -1 r (um) s -1 r 98 c 0 r (er) s 13 r (of) s 12 r (long) s 12 r (haul) s 13 r (transit) s 12 r (ADs) s 12 r (\(on) s 12 r (the) s 13 r (order) s 12 r (of) s 12 r (100\),) s 13 r (but) s 12 r (that) s 13 r (there) s 12 r (ma) s 0 r 121 c 11 r 98 c 1 r 101 c 13 r (tens) s 0 1570 p (of) s 13 r (thousands) s 14 r (of) s 13 r (regional) s 13 r (ADs) s 14 r (and) s 13 r 104 c 0 r (undreds) s 12 r (of) s 14 r (thousands) s 13 r (of) s 13 r (stub) s 14 r (ADs) s 13 r (\(e.g.,) s 14 r (campuses,) s 14 r (lab) s 1 r (oratories,) s 0 1626 p (and) s 13 r (priv) s -2 r (ate) s 12 r (companies\).) s 19 r (The) s 13 r (comp) s 1 r (eting) s 12 r (long) s 13 r (haul) s 12 r (o\013erings) s 13 r (will) s 13 r (di\013er,) s 13 r 98 c 1 r (oth) s 13 r (in) s 12 r (the) s 13 r (services) s 12 r (pro) s 0 r (vided) s 0 1682 p (and) s 17 r (in) s 18 r (their) s 17 r (pac) s 0 r 107 c -3 r (aging) s 17 r (and) s 17 r (pricing.) s 27 r (Regional) s 18 r (net) s -1 r 119 c -1 r (orks) s 17 r (will) s 17 r 111 c 0 r 118 c -2 r (erlap) s 17 r (less) s 17 r (and) s 18 r (will) s 17 r (connect) s 18 r (campus) s 0 1739 p (and) s 15 r (priv) s -2 r (ate) s 14 r (compan) s 0 r 121 c 14 r (net) s 0 r 119 c -1 r (orks.) s 19 r (Ho) s -1 r 119 c -1 r (ev) s -1 r (er,) s 14 r (man) s 0 r 121 c 14 r (stub-ADs) s 15 r (will) s 15 r (retain) s 15 r (some) s 14 r (priv) s -1 r (ate) s 14 r (lateral) s 15 r (links) s 15 r (for) s 0 1795 p 112 c 1 r (olitical,) s 15 r (tec) s -1 r (hnical,) s 14 r (and) s 14 r (reliabilit) s 0 r 121 c 13 r (reasons.) s 20 r 70 c -3 r (or) s 14 r (example,) s 14 r 112 c 1 r (olitical) s 15 r (incen) s 0 r (tiv) s -2 r (es) s 14 r (cause) s 14 r (organizations) s 14 r (to) s 0 1852 p (in) s 0 r 118 c -2 r (est) s 15 r (in) s 17 r 98 c -1 r (ypass) s 15 r (links) s 16 r (that) s 16 r (are) s 16 r (not) s 16 r (alw) s 0 r 97 c -1 r (ys) s 15 r (justi\014able) s 16 r (on) s 16 r 97 c 16 r (strict) s 16 r (cost) s 16 r (comparison) s 16 r (basis;) s 16 r (sp) s 2 r (ecialized) s 0 1908 p (tec) s 0 r (hnical) s 17 r (requiremen) s 0 r (ts) s 17 r (cause) s 19 r (organizations) s 18 r (to) s 18 r (in) s 0 r 118 c -1 r (est) s 17 r (in) s 19 r (links) s 18 r (that) s 19 r (ha) s -1 r 118 c -1 r 101 c 17 r 99 c 0 r (haracteristics) s 18 r (\(e.g.,) s 19 r (data) s 0 1965 p (rate,) s 20 r (dela) s 0 r 121 c -4 r 44 c 19 r (error,) s 20 r (securit) s 0 r (y\)) s 18 r (not) s 19 r 97 c 0 r 118 c -3 r (ailable) s 19 r (from) s 19 r (public) s 19 r (carriers) s 19 r (at) s 19 r 97 c 19 r (comp) s 1 r (etitiv) s 0 r 101 c 18 r (rate;) s 21 r (and) s 19 r (critical) s 0 2021 p (requiremen) s 0 r (ts) s 12 r (cause) s 13 r (organizations) s 13 r (to) s 13 r (in) s 0 r 118 c -1 r (est) s 12 r (in) s 13 r (redundan) s 0 r 116 c 12 r (bac) s -1 r 107 c 13 r (up) s 13 r (links) s 13 r (for) s 13 r (reliabilit) s 0 r 121 c 12 r (reasons.) s 19 r (These) s 0 2078 p (exceptions) s 18 r (to) s 18 r (the) s 19 r (otherwise) s 18 r (regular) s 18 r (top) s 1 r (ology) s 18 r (are) s 19 r (not) s 18 r (disp) s 1 r (ensible.) s 29 r (They) s 19 r (will) s 18 r 112 c 1 r (ersist) s 18 r (and) s 18 r 109 c 0 r (ust) s 17 r 98 c 2 r 101 c 0 2134 p (accommo) s 1 r (dated,) s 18 r 112 c 1 r (erhaps) s 18 r (at) s 17 r (the) s 17 r (exp) s 2 r (ense) s 17 r (of) s 17 r (optimalit) s 0 r (y;) s 17 r (see) s 18 r (Section) s 17 r 53 c 17 r (for) s 17 r (more) s 18 r (detail.) s 26 r (In) s 18 r (addition,) s 0 2191 p (man) s 0 r 121 c 13 r (priv) s -1 r (ate) s 13 r (companies) s 15 r (will) s 14 r (retain) s 15 r (their) s 14 r 111 c 0 r (wn) s 13 r (priv) s -1 r (ate) s 13 r (long) s 15 r (haul) s 14 r (net) s 0 r 119 c -1 r (ork) s 13 r (facilities.) s cmr8.1500-13 @sf 1611 2174 p (11) s cmr10.1643-34 @sf 1669 2191 p (Critical) s 14 r (di\013er-) s 0 2247 p (ences) s 13 r 98 c 2 r (et) s -1 r 119 c -1 r (een) s 13 r (the) s 13 r 116 c 0 r 119 c -1 r 111 c 12 r (mo) s 1 r (dels) s 14 r (follo) s 0 r 119 c 12 r (from) s 14 r (the) s 13 r (di\013erence) s 14 r (in) s 13 r (assumptions) s 14 r (regarding) s 13 r (AD) s 14 r (top) s 1 r (ology) s -3 r 46 c 19 r (In) s 0 2282 p 780 2 ru cmr6.1500-4 @sf 37 2309 p (10) s cmr9.1500-18 @sf 69 2325 p (Muc) s 0 r 104 c 12 r (of) s 13 r (the) s 12 r (remainder) s 13 r (of) s 13 r (this) s 13 r (pap) s 1 r (er) s 13 r (attempts) s 13 r (to) s 12 r (justify) s 13 r (and) s 13 r (pro) s 0 r (vide) s 12 r (evidence) s 12 r (for) s 13 r (this) s 13 r (statemen) s 0 r (t.) s cmr6.1500-4 @sf 37 2355 p (11) s cmr9.1500-18 @sf 69 2371 p (While) s 14 r (priv) s -1 r (ate) s 13 r 118 c 0 r (oice) s 13 r (net) s -1 r 119 c -1 r (orks) s 13 r (also) s 14 r (exist,) s 14 r (priv) s -1 r (ate) s 13 r (data) s 14 r (net) s 0 r 119 c -1 r (orks) s 13 r (are) s 14 r (more) s 13 r (common.) s 21 r 86 c -2 r (oice) s 12 r (requiremen) s 0 r (ts) s 13 r (are) s 14 r (more) s 0 2417 p (standardized) s 14 r 98 c 1 r (ecause) s 13 r 118 c 0 r (oice) s 13 r (applications) s 13 r (are) s 14 r (more) s 13 r (uniform) s 14 r (than) s 13 r (are) s 14 r (data) s 13 r (applications,) s 14 r (and) s 13 r (therefore) s 14 r (the) s 13 r (commercial) s 0 2462 p (services) s 17 r (more) s 17 r (often) s 17 r (ha) s 0 r 118 c -1 r 101 c 16 r (what) s 17 r (the) s 17 r 118 c 0 r (oice) s 16 r (customer) s 18 r 119 c 0 r (an) s -2 r (ts) s 17 r (at) s 17 r 97 c 17 r (price) s 17 r (that) s 17 r (is) s 17 r (comp) s 1 r (etitiv) s 0 r 101 c 16 r (with) s 17 r (the) s 17 r (priv) s -1 r (ate) s 16 r (net) s 0 r 119 c -1 r (ork) s 0 2508 p (option.) s 17 r (Data) s 11 r (comm) s 0 r (unication) s 10 r (requiremen) s 0 r (ts) s 10 r (are) s 11 r (still) s 12 r (more) s 11 r (sp) s 1 r (ecialized) s 11 r (and) s 12 r (dynamic.) s 16 r (Th) s 0 r (us,) s 11 r (there) s 11 r (is) s 11 r (less) s 11 r (opp) s 2 r (ortunit) s -1 r 121 c 11 r (for) s 0 2554 p (econom) s 0 r 121 c 13 r (of) s 13 r (scale) s 14 r (in) s 13 r (service) s 14 r (o\013erings) s 14 r (and) s 13 r (it) s 14 r (is) s 13 r (harder) s 14 r (to) s 14 r 107 c 0 r (eep) s 12 r (up) s 14 r (to) s 13 r (date) s 14 r (with) s 14 r (customer) s 13 r (demand.) s 20 r 70 c -2 r (or) s 12 r (this) s 14 r (reason) s 13 r 119 c 0 r 101 c cmr10.1643-34 @sf 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (6]) s @eop 5 @bop0 cmr8.1500-13 @sf [<0FE03FF87C3CF01EE00EE00EE01EF01E787C3DFC1FF00FE03FF03E78783C701C701C783C3C7C3FF80FE0> 16 21 -1 0 17.642] 56 @dc cmbx10.2160-55 @sf [<00FF800007FFF0000FFFFC001F83FE003C00FF0078007F807E007FC0FF003FC0FF803FC0FF803FE0FF803FE0FF803FE07F00 3FE03E003FE000003FE000003FE000003FC000003FC000003F800C007F800E007F000FC1FE000FFFF8000E7FC0000E000000 0E0000000E0000000E0000000E0000000E0000000FFF00000FFFC0000FFFF0000FFFF8000FFFFC000FFFFE000FFFFE000FC0 3F000C000700> 32 39 -3 0 34.370] 53 @dc [<00FFFFFFE00000FFFFFFE00000FFFFFFE00000007FC0000000007FC0000000007FC0000000007FC0000000007FC000000000 7FC0000000007FC0000000007FC0000000007FC0000000007FC0000000007FC0000000007FC0000000007FC0000000007FC0 000000007FC0000000007FC0000000007FC0000000007FC0000000007FC0000000007FC0000000007FC0000000007FC00000 E0007FC000E0E0007FC000E0E0007FC000E0E0007FC000E0E0007FC000E0F0007FC001E0F0007FC001E070007FC001C07800 7FC003C078007FC003C07C007FC007C07F807FC03FC07FFFFFFFFFC07FFFFFFFFFC07FFFFFFFFFC0> 48 40 -2 0 47.819] 84 @dc [ 24 41 -1 0 26.068] 73 @dc cmr8.1500-13 @sf [<1F803FE070F07038703C001C001C020E1FEE3FFE703EF01EE00EE00EE00EE00EE01C701C78781FF00FE0> 16 21 -1 0 17.642] 57 @dc cmr6.1500-4 @sf [<1F007FC0F1E0C060C060C0E0E3E07FC03F803F807DC070C060C071C03F801F00> 16 16 -1 0 15.220] 56 @dc cmr9.1500-18 @sf [ 8 37 -3 9 10.666] 91 @dc [<03000780078007800780078007800780038003800380018001800180008000C0004080208010801040087FFC7FFC7FFE4000> 16 25 -2 0 19.198] 55 @dc [ 8 37 0 9 10.666] 93 @dc cmr6.1500-4 @sf [<3E007F80738071C000C008607FE07FE0E0E0C060C060C060E0C071C07F801F00> 16 16 -1 0 15.220] 57 @dc cmr9.1500-18 @sf [<87E0D818E00CC006C0068007800780070007000F001E01FE0FFC1FF83FF07F80F800F000E002E002E00260066006300E1836 0FC2> 16 26 -2 0 21.331] 83 @dc [<001F000000E0C00001C020000380100007800800070008000F0004000F0004000F0004000F0004000F0004000F0004000F00 04000F0004000F0004000F0004000F0004000F0004000F0004000F0004000F0004000F0004000F0004000F0004000F000E00 FFF07FC0> 32 26 -1 0 28.792] 85 @dc [ 16 26 -1 0 13.860] 73 @dc [<1F8021E070F0F870F878F8787078007800780078007800780078007800780078007800780078007800780078007800780078 0FFF> 16 26 -1 0 19.729] 74 @dc [<1F002180704078607830303800180018001C0F9C185C303C603C601CE01CE01CE01CE018E01860187030303018600780> 16 24 -2 0 19.198] 57 @dc [<0F80186020106008C008C00CC00CC01C403C607C31F81BF00FE01FC03F607E3078107018601860182018303018600780> 16 24 -2 0 19.198] 56 @dc 5 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmr10.1643-34 @sf 0 45 p (lab) s 1 r (oratory) s -3 r 46 c 28 r (They) s 18 r (reside) s 18 r (in) s 18 r 97 c 18 r (campus) s 18 r (AD) s 18 r (along) s 18 r (with) s 18 r (users) s 18 r (who) s 18 r (are) s 18 r (legitimate) s 18 r (users) s 18 r (of) s 18 r (other) s 18 r (AD) s 0 102 p (resources.) s 35 r (Moreo) s 0 r 118 c -1 r (er,) s 20 r (an) s 0 r 121 c 19 r (one) s 20 r 112 c 2 r (erson) s 20 r (ma) s 0 r 121 c 19 r 98 c 1 r 101 c 20 r 97 c 20 r (legitimate) s 21 r (user) s 20 r (of) s 20 r 109 c 0 r (ultiple) s 19 r (AR) s 20 r (resources) s 20 r (under) s 0 158 p 118 c -2 r (arying) s 16 r (conditions) s 17 r (and) s 17 r (constrain) s 0 r (ts) s 16 r (\(see) s 17 r (examples) s 17 r (in) s 17 r (section) s 17 r (6\).) s 26 r (In) s 17 r (addition,) s 17 r (users) s 17 r (can) s 17 r (mo) s 0 r 118 c -2 r 101 c 16 r (from) s 0 214 p (one) s 20 r (AD) s 20 r (to) s 19 r (another.) s 35 r (In) s 19 r (other) s 20 r 119 c 0 r (ords,) s 20 r 97 c 20 r (user's) s 20 r (righ) s -1 r (ts) s 19 r (can) s 20 r (not) s 20 r 98 c 1 r 101 c 20 r (determined) s 20 r (solely) s 19 r (based) s 20 r (on) s 20 r (the) s 0 271 p (AD) s 20 r (from) s 20 r (whic) s 0 r 104 c 18 r (the) s 20 r (user's) s 20 r (comm) s 0 r (unications) s 19 r (originate.) s 34 r (Consequen) s 0 r (tly) s -4 r 44 c 20 r (PR) s 20 r 109 c 0 r (ust) s 19 r (not) s 20 r (only) s 20 r (iden) s -1 r (tify) s 0 327 p (resources,) s 16 r (it) s 17 r 109 c -1 r (ust) s 15 r (iden) s 0 r (tify) s cmti10.1643-37 @sf 15 r (princip) s -1 r (als) s cmr8.1500-13 @sf 727 311 p 56 c cmr10.1643-34 @sf 762 327 p (and) s 17 r (asso) s 1 r (ciate) s 16 r (di\013eren) s 0 r 116 c 15 r (capabilities) s 16 r (and) s 16 r (righ) s 0 r (ts) s 15 r (with) s 16 r (di\013eren) s 0 r 116 c 0 384 p (principals.) s 71 479 p (One) s 15 r 119 c -1 r 97 c -1 r 121 c 14 r (of) s 15 r (reducing) s 15 r (the) s 15 r (compromise) s 15 r (of) s 15 r (autonom) s 0 r 121 c 14 r (asso) s 1 r (ciated) s 15 r (with) s 15 r (in) s 0 r (terconnection) s 14 r (is) s 15 r (to) s 15 r (imple-) s 0 536 p (men) s 0 r 116 c 14 r (mec) s 0 r (hanisms) s 15 r (that) s 16 r (assure) s cmti10.1643-37 @sf 15 r (ac) s -1 r 99 c -2 r (ountability) s cmr10.1643-34 @sf 14 r (for) s 16 r (resources) s 16 r (used.) s 22 r (Accoun) s -1 r (tabilit) s -1 r 121 c 15 r (ma) s -1 r 121 c 15 r 98 c 1 r 101 c 16 r (enforced) s 16 r 97 c 0 592 p (priori,) s 19 r (e.g.,) s 18 r (access) s 18 r (con) s 0 r (trol) s 17 r (mec) s 0 r (hanisms) s 17 r (applied) s 18 r 98 c 1 r (efore) s 18 r (resource) s 18 r (usage) s 18 r (is) s 18 r 112 c 1 r (ermitted.) s 29 r (Alternativ) s 0 r (ely) s -4 r 44 c 0 649 p (accoun) s 0 r (tabilit) s -2 r 121 c 13 r (ma) s 0 r 121 c 12 r 98 c 2 r 101 c 13 r (enforced) s 14 r (after) s 13 r (the) s 14 r (fact,) s 14 r (e.g.,) s 14 r (record) s 14 r 107 c -1 r (eeping) s 13 r (or) s 13 r (metering) s 14 r (that) s 14 r (supp) s 1 r (orts) s 14 r (detec-) s 0 705 p (tion) s 14 r (and) s 15 r (pro) s -1 r (vides) s 14 r (evidence) s 14 r (to) s 14 r (third) s 15 r (parties) s 14 r (\(i.e.,) s 14 r (non-repudiation\).) s 20 r (Accoun) s 0 r (tabilit) s -1 r 121 c 13 r (mec) s 0 r (hanisms) s 13 r (can) s 0 762 p (also) s 16 r 98 c 2 r 101 c 16 r (used) s 16 r (to) s 17 r (pro) s -1 r (vide) s 16 r (feedbac) s -1 r 107 c 16 r (to) s 16 r (users) s 16 r (as) s 17 r (to) s 16 r (consumption) s 16 r (of) s 17 r (resources.) s 23 r (In) s 0 r (ternally) s 15 r (an) s 17 r (AD) s 16 r (often) s 0 818 p (decides) s 14 r (to) s 14 r (do) s 13 r 97 c 0 r 119 c -1 r 97 c -2 r 121 c 13 r (with) s 14 r (suc) s 0 r 104 c 13 r (feedbac) s -1 r 107 c 13 r (under) s 14 r (the) s 14 r (premise) s 13 r (that) s 14 r (comm) s 0 r (unication) s 13 r (is) s 13 r 97 c 14 r (global) s 14 r (go) s 1 r 111 c 1 r 100 c 14 r (and) s 0 875 p (should) s 13 r (not) s 12 r 98 c 2 r 101 c 13 r (inhibited.) s 19 r (There) s 13 r (is) s 12 r (not) s 13 r (necessarily) s 13 r 97 c 13 r (\\global) s 12 r (go) s 2 r 111 c 1 r (d") s 13 r (across) s 12 r (AD) s 13 r 98 c 1 r (oundaries.) s 20 r (Therefore,) s 0 931 p (it) s 13 r 98 c 1 r (ecomes) s 13 r (more) s 13 r (appropriate) s 12 r (to) s 13 r (ha) s 0 r 118 c -1 r 101 c 11 r (resource) s 13 r (usage) s 13 r (visible) s 13 r (to) s 13 r (users,) s 13 r (whether) s 13 r (or) s 12 r (not) s 13 r (actual) s 13 r 99 c 0 r (harging) s 0 987 p (for) s 12 r (usage) s 13 r (tak) s -1 r (es) s 12 r (place.) s 19 r (Another) s 12 r (motiv) s -1 r (ation) s 11 r (that) s 13 r (driv) s -1 r (es) s 12 r (the) s 12 r (need) s 12 r (for) s 13 r (accoun) s -1 r (tabilit) s -1 r 121 c 12 r (across) s 12 r (AD) s 12 r 98 c 1 r (ound-) s 0 1044 p (aries) s 17 r (is) s 18 r (the) s 17 r (greater) s 17 r 118 c -1 r (ariabilit) s -1 r 121 c 16 r (in) s 17 r (implemen) s 0 r (tations.) s 26 r (Di\013eren) s 0 r 116 c 16 r (implemen) s 0 r (tations) s 16 r (of) s 17 r 97 c 18 r (single) s 17 r (net) s 0 r 119 c -2 r (ork) s 0 1100 p (proto) s 1 r (col) s 15 r (can) s 15 r 118 c -2 r (ary) s 14 r (greatly) s 15 r (as) s 14 r (to) s 15 r (their) s 15 r (e\016ciency[) s 0 r 56 c 0 r (].) s 20 r 87 c -3 r 101 c 14 r (can) s 14 r (not) s 15 r (assume) s 15 r (con) s -1 r (trol) s 14 r 111 c 0 r 118 c -1 r (er) s 13 r (implemen) s 0 r (tation) s 0 1157 p (across) s 14 r (AD) s 13 r 98 c 1 r (oundaries.) s 20 r 70 c -3 r (eedbac) s -1 r 107 c 12 r (mec) s 0 r (hanisms) s 13 r (suc) s -1 r 104 c 13 r (as) s 13 r (metering) s 14 r (\(and) s 13 r 99 c 0 r (harging) s 13 r (in) s 13 r (some) s 14 r (cases\)) s 13 r 119 c 0 r (ould) s 0 1213 p (in) s 0 r (tro) s 0 r (duce) s 13 r 97 c 14 r (concrete) s 13 r (incen) s 0 r (tiv) s -1 r 101 c 12 r (for) s 14 r (ADs) s 13 r (to) s 14 r (emplo) s 0 r 121 c 12 r (e\016cien) s 0 r 116 c 12 r (and) s 14 r (correct) s 13 r (implemen) s 0 r (tations.) s 19 r (PR) s 13 r (should) s 0 1270 p (allo) s 0 r 119 c 14 r (an) s 15 r (AD) s 15 r (to) s 15 r (adv) s 0 r (ertise) s 14 r (and) s 15 r (apply) s 16 r (suc) s -1 r 104 c 14 r (accoun) s 0 r (ting) s 14 r (measures) s 15 r (to) s 16 r (in) s -1 r (ter-AD) s 15 r (tra\016c.) s 71 1365 p (In) s 15 r (summary) s -3 r 44 c 14 r (the) s 15 r (lac) s 0 r 107 c 14 r (of) s 15 r (global) s 15 r (authorit) s 0 r 121 c -4 r 44 c 14 r (the) s 15 r (need) s 15 r (to) s 15 r (supp) s 1 r (ort) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (resource) s 15 r (sharing) s 15 r (as) s 15 r 119 c 0 r (ell) s 0 1422 p (as) s 13 r (net) s 0 r 119 c -1 r (ork) s 12 r (in) s -1 r (terconnection,) s 13 r (the) s 13 r (complex) s 13 r (and) s 13 r (dynamic) s 13 r (mapping) s 14 r (of) s 13 r (users) s 13 r (to) s 13 r (ADs) s 13 r (and) s 13 r (righ) s 0 r (ts,) s 12 r (and) s 14 r (the) s 0 1478 p (need) s 14 r (for) s 15 r (accoun) s -1 r (tabilit) s -1 r 121 c 13 r (across) s 15 r (ADs,) s 14 r (are) s 15 r 99 c -1 r (haracteristics) s 14 r (of) s 14 r (in) s 0 r (ter-AD) s 13 r (comm) s 0 r (unications) s 13 r (whic) s 0 r 104 c 13 r 109 c 0 r (ust) s 13 r 98 c 2 r 101 c 0 1535 p (tak) s 0 r (en) s 14 r (in) s 0 r (to) s 14 r (accoun) s 0 r 116 c 14 r (in) s 15 r (the) s 15 r (design) s 15 r (of) s 15 r 98 c 2 r (oth) s 15 r 112 c 1 r (olicies) s 15 r (and) s 15 r (supp) s 2 r (orting) s 15 r (tec) s -1 r (hnical) s 15 r (mec) s -1 r (hanisms.) s cmbx10.2160-55 @sf 0 1717 p 53 c 69 r 84 c -5 r (op) s 1 r (ology) s 23 r (mo) s 2 r (del) s 23 r (of) s 23 r (In) s -1 r (ternet) s cmr10.1643-34 @sf 0 1858 p (Before) s 15 r (discussing) s 16 r 112 c 1 r (olicies) s 15 r 112 c 2 r (er) s 15 r (se,) s 15 r 119 c 0 r 101 c 15 r (outline) s 15 r (our) s 15 r (mo) s 2 r (del) s 15 r (of) s 15 r (in) s 0 r (ter-AD) s 15 r (top) s 1 r (ology) s 15 r (and) s 16 r (ho) s -1 r 119 c 15 r (it) s 15 r (in\015uences) s 0 1914 p (the) s 12 r 116 c 0 r (yp) s 0 r 101 c 12 r (of) s 12 r 112 c 1 r (olicy) s 13 r (supp) s 1 r (ort) s 12 r (required.) s 19 r (Most) s 12 r (mem) s 0 r 98 c 0 r (ers) s 12 r (of) s 12 r (the) s 12 r (In) s 0 r (ternet) s 11 r (comm) s 0 r (unit) s -1 r 121 c 11 r (agree) s 12 r (that) s 12 r (the) s 12 r (future) s 0 1971 p (In) s 0 r (ternet) s 16 r (will) s 17 r (connect) s 17 r (on) s 17 r (the) s 17 r (order) s 17 r (of) s 17 r (150,000,000) s 17 r (termination) s 18 r 112 c 1 r (oin) s 0 r (ts) s 16 r (and) s 17 r (100,000) s 17 r (ADs.) s 26 r (Ho) s 0 r 119 c -2 r (ev) s -1 r (er,) s 0 2027 p (there) s 19 r (are) s 18 r (con\015icting) s 19 r (opinions) s 18 r (as) s 19 r (to) s 18 r (the) s 19 r (AD) s 18 r (top) s 2 r (ology) s 18 r (for) s 19 r (whic) s 0 r 104 c 17 r 119 c 0 r 101 c 17 r 109 c 0 r (ust) s 18 r (design) s 18 r (PR) s 19 r (mec) s -1 r (hanisms.) s 0 2083 p (The) s 15 r (informal) s 15 r (argumen) s 0 r 116 c 14 r (is) s 15 r (describ) s 2 r (ed) s 15 r (here.) s cmbx10.1643-39 @sf 0 2243 p (Simple) s 21 r (AD) s 21 r (top) s 2 r (ology) s 21 r (and) s 21 r 112 c 1 r (olicy) s 22 r (mo) s 1 r (del) s cmr10.1643-34 @sf 45 r (Some) s 19 r (mem) s 0 r 98 c 0 r (ers) s 18 r (of) s 19 r (the) s 18 r (In) s 0 r (ternet) s 17 r (comm) s 0 r (unit) s -1 r 121 c 17 r 98 c 1 r (eliev) s 0 r 101 c 0 2299 p (that) s 15 r (the) s 15 r (curren) s 0 r 116 c 14 r (complex) s 15 r (top) s 1 r (ology) s 15 r (of) s 16 r (in) s -1 r (terconnected) s 14 r (ADs) s 16 r (is) s 15 r 97 c 15 r (transien) s -1 r 116 c 15 r (artifact) s 15 r (resulting) s 15 r (from) s 15 r (the) s 0 2356 p (ev) s 0 r (olutionary) s 13 r (nature) s 15 r (of) s 15 r (the) s 14 r (Researc) s 0 r 104 c 14 r (In) s 0 r (ternet's) s 13 r (history) s -2 r 46 c cmr8.1500-13 @sf 1076 2339 p 57 c cmr10.1643-34 @sf 1116 2356 p (The) s 15 r (critical) s 14 r 112 c 2 r (oin) s -1 r (ts) s 14 r (of) s 15 r (this) s 14 r (argumen) s 0 r 116 c 14 r (relate) s 0 2395 p 780 2 ru cmr6.1500-4 @sf 52 2422 p 56 c cmr9.1500-18 @sf 69 2438 p (The) s 13 r (term) s 13 r (principal) s 13 r (is) s 12 r (tak) s 0 r (en) s 12 r (from) s 13 r (the) s 13 r (computer) s 12 r (securit) s 0 r 121 c 12 r (comm) s 0 r (unit) s -1 r (y[) s 0 r 55 c 0 r (].) s cmr6.1500-4 @sf 52 2468 p 57 c cmr9.1500-18 @sf 69 2484 p (Da) s 0 r (vid) s 14 r (Cheriton) s 15 r (of) s 15 r (Stanford) s 15 r (Univ) s 0 r (ersit) s -1 r 121 c 14 r (articulated) s 16 r (this) s 15 r (side) s 15 r (of) s 15 r (the) s 15 r (argumen) s 0 r 116 c 14 r (at) s 15 r (an) s 15 r (In) s 0 r (ternet) s 14 r 119 c 0 r (orkshop) s 14 r (in) s 15 r (San) s 0 r (ta) s 0 2529 p (Clara,) s 13 r (Jan) s 0 r (uary) s -3 r 44 c 11 r (1989.) s cmr10.1643-34 @sf 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (5]) s @eop 4 @bop0 cmbx10.2160-55 @sf [<007FFFF8007FFFF8007FFFF80000FF000000FF000000FF000000FF000000FF000000FF000000FF00FFFFFFF8FFFFFFF8FFFF FFF8E0007F0070007F0038007F001C007F000E007F000F007F0007007F0003807F0001C07F0000E07F0000F07F0000707F00 00387F00001C7F00000E7F00000F7F0000077F000003FF000001FF000000FF000000FF0000007F0000003F0000001F000000 0F0000000700> 32 39 -2 0 34.370] 52 @dc [<00000E00000700000000001F00000F80000000001F00000F80000000001F80001F80000000003F80001FC0000000003F8000 1FC0000000003FC0003FC0000000007FC0003FE0000000007FC0003FE000000000FFE0007FF000000000FFE0007FF0000000 00FFF000FFF000000001FFF000FFB800000001FF7000FFB800000001FF7801FFB800000003FE3801FF1C00000003FE3801FF 1C00000007FE1C03FE1E00000007FC1C03FE0E00000007FC1E07FE0E0000000FFC0E07FC070000000FF80E07FC070000001F F80F0FFC078000001FF0070FF8038000001FF0070FF8038000003FF0039FF003C000003FE0039FF001C000003FE003FFF001 C000007FE001FFE000E000007FC001FFE000E00000FFC000FFE000F00000FF8000FFC000700000FF8000FFC000700001FF80 00FF8000780001FF0000FF8000380001FF0001FF8000380003FE0001FF00001C0003FE0001FF00001C00FFFFF87FFFF807FF F0FFFFF87FFFF807FFF0FFFFF87FFFF807FFF0> 72 41 -1 0 71.065] 87 @dc [<7FFF0FFFE3FFF87FFF0FFFE3FFF87FFF0FFFE3FFF807F000FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007 F000FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007F0 00FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007F000FE003F8007F000 FE003F8007F000FE003F8007F000FE003F80FFFFFFFFFFFF80FFFFFFFFFFFF80FFFFFFFFFFFF8007F000FE00000007F000FE 00000007F000FE00000007F000FE00000007F000FE001E0007F001FE003F0007F001FE007F8007F001FE007F8007F001FE00 7F8003F801FF007F8003FC01FF803F8001FE00FFC01F00007FC0FFF03E00001FFFE3FFFC000003FF807FF000> 56 42 -1 0 57.283] 14 @dc cmr8.1500-13 @sf [<0FE01FF83C3C701C700E600EE00EE00EE00EF01EF81CFFF8EFF0E08070007000781C3C1C1E1C0FF803F0> 16 21 -1 0 17.642] 54 @dc [<0E000E000E000E000E000E0006000700070003000380018001C000E00060C070C038E01C7FFE7FFE7FFE6000> 16 22 -2 0 17.642] 55 @dc cmr6.1500-4 @sf [<1F003FC071C060E0C060C060C060E0E0FFC0FFC0C200600071C039C01FC00F80> 16 16 -1 0 15.220] 54 @dc cmr9.1500-18 @sf [<7F8FE3FC0E0380E00E0380E00E0380E00E0380E00E0380E00E0380E00E0380E00E0380E00E0380E00E0380E00E0380E00E03 80E00E0380E00E0380E0FFFFFFE00E0380000E0380000E0380000E0380000E0380C00E0781E0060781E00703C0E001C370C0 007C1F00> 32 26 0 0 31.997] 14 @dc [<00800100020004000C00080018003000300030006000600060006000E000E000E000E000E000E000E000E000E000E0006000 600060006000300030003000180008000C000400020001000080> 16 38 -3 10 14.932] 40 @dc [<8000400020001000180008000C00060006000600030003000300030003800380038003800380038003800380038003800300 0300030003000600060006000C00080018001000200040008000> 16 38 -2 10 14.932] 41 @dc [ 24 26 -1 0 27.195] 66 @dc [ 16 2 0 -7 12.799] 45 @dc [ 1500 ] /cmti9.1500-21 @newfont cmti9.1500-21 @sf [<3E3C7FFEF3F7E0F3E073E07BE078E038E038F03C703C781C383C1E7E0FFE03EE> 16 16 -4 0 19.602] 97 @dc [<700F80780FC0781CC0381EE0380E603C0E603C0F001C07001C07001E0700DE0780CF0380CF8380EFC7807EFF003C7E00> 24 16 -3 0 21.562] 110 @dc [<3E3C007FFE00F3F700E0F300E07300E07B00E07800E03800E03800F03C00703C00781C00383C001E7E000FFE0003EE00000E 00000F00000F00000700000700000780000780000380001F80001F80> 24 26 -4 0 19.602] 100 @dc cmr6.1500-4 @sf [<1C001C001C001C001C001C000C000E000E00060007000380C1C0C0E07FE07FE06000> 16 17 -2 0 15.220] 55 @dc cmr9.1500-18 @sf [ 24 26 -1 0 26.128] 69 @dc [<306078F0F9F0B1608100810081004080408020401830> 16 11 -5 -15 19.198] 92 @dc [ 16 11 -1 -15 19.198] 34 @dc [<0F8030E040704038E038F03CF03C703C003C003C00380038207030602FC0200020002000200020003FC03FE03FF03018> 16 24 -2 0 19.198] 53 @dc 4 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx10.2160-55 @sf 0 45 p 52 c 69 r (Wh) s -1 r 121 c 22 r (the) s 23 r (problem) s 23 r (is) s 22 r (di\016cult) s cmr10.1643-34 @sf 0 186 p (Before) s 18 r (pro) s 1 r (ceeding) s 19 r (with) s 18 r (our) s 18 r (description) s 18 r (of) s 18 r (top) s 1 r (ology) s 18 r (and) s 19 r 112 c 1 r (olicy) s 18 r (requiremen) s 0 r (ts) s 17 r (this) s 18 r (section) s 18 r (outlines) s 0 242 p (sev) s 0 r (eral) s 19 r (assumptions) s 20 r (and) s 21 r (constrain) s -1 r (ts,) s 21 r (namely:) s 31 r (the) s 20 r (lac) s 0 r 107 c 19 r (of) s 20 r (global) s 21 r (authorit) s 0 r 121 c -4 r 44 c 20 r (the) s 21 r (need) s 20 r (to) s 20 r (supp) s 2 r (ort) s 0 299 p (net) s 0 r 119 c -2 r (ork) s 13 r (resource) s 14 r (sharing) s 13 r (as) s 14 r 119 c 0 r (ell) s 12 r (as) s 14 r (net) s -1 r 119 c -1 r (ork) s 13 r (in) s -1 r (terconnection,) s 13 r (the) s 14 r (complex) s 13 r (and) s 14 r (dynamic) s 14 r (mapping) s 13 r (of) s 0 355 p (users) s 15 r (to) s 16 r (ADs) s 15 r (and) s 15 r (privileges,) s 15 r (and) s 16 r (the) s 15 r (need) s 15 r (for) s 16 r (accoun) s -1 r (tabilit) s -1 r 121 c 14 r (across) s 16 r (ADs.) s 20 r (These) s 16 r (assumptions) s 15 r (limit) s 0 412 p (the) s 15 r (solution) s 15 r (space) s 15 r (and) s 16 r (raise) s 15 r 99 c -1 r (hallenging) s 15 r (tec) s -1 r (hnical) s 15 r (issues.) s 71 507 p (The) s 16 r (purp) s 2 r (ose) s 17 r (of) s 16 r 112 c 2 r (olicy) s 17 r (based) s 16 r (routing) s 17 r (is) s 17 r (to) s 17 r (allo) s 0 r 119 c 16 r (ADs) s 17 r (to) s 16 r (in) s 0 r (terconnect) s 16 r (and) s 17 r (share) s 17 r (computer) s 17 r (and) s 0 564 p (net) s 0 r 119 c -2 r (ork) s 13 r (resources) s 13 r (in) s 14 r 97 c 13 r (con) s 0 r (trolled) s 12 r (manner.) s 20 r (Unlik) s -1 r 101 c 13 r (man) s -1 r 121 c 13 r (other) s 13 r (problems) s 13 r (of) s 14 r (resource) s 13 r (con) s 0 r (trol,) s 13 r (there) s 13 r (is) s 0 620 p (no) s 14 r (global) s 15 r (authorit) s 0 r 121 c -4 r 46 c 19 r (Eac) s 0 r 104 c 13 r (AD) s 14 r (de\014nes) s 15 r (its) s 14 r 111 c 0 r (wn) s 14 r 112 c 1 r (olicies) s 14 r (with) s 15 r (resp) s 1 r (ect) s 14 r (to) s 15 r (its) s 14 r 111 c 0 r (wn) s 14 r (tra\016c) s 14 r (and) s 14 r (resources.) s 0 676 p (Ho) s 0 r 119 c -2 r (ev) s -1 r (er,) s 22 r (while) s 21 r 119 c 0 r 101 c 20 r (assume) s 21 r (no) s 21 r (global) s 22 r (authorit) s -1 r 121 c -3 r 44 c 21 r (and) s 21 r (no) s 22 r (global) s 21 r 112 c 1 r (olicies,) s 23 r 119 c -1 r 101 c 21 r (recognize) s 21 r (that) s 21 r (com-) s 0 733 p (plete) s 18 r (autonom) s -1 r 121 c 17 r (implies) s 18 r (no) s 17 r (dep) s 2 r (endence) s 17 r (and) s 18 r (therefore) s 18 r (no) s 17 r (comm) s 0 r (unication.) s 27 r (The) s 17 r 109 c 0 r (ulti-organization) s 0 789 p (in) s 0 r (ternets) s 12 r (addressed) s 13 r (here) s 14 r (ha) s -1 r 118 c -1 r 101 c 12 r (inheren) s 0 r 116 c 12 r (regions) s 14 r (of) s 13 r (autonom) s 0 r 121 c -4 r 44 c 13 r (as) s 13 r 119 c 0 r (ell) s 12 r (as) s 13 r (requiremen) s 0 r (ts) s 12 r (for) s 13 r (in) s 0 r (terdep) s 0 r (en-) s 0 846 p (dence.) s 20 r (Our) s 14 r (mec) s 0 r (hanisms) s 13 r (should) s 14 r (allo) s 0 r 119 c 13 r (ADs) s 14 r (to) s 14 r (design) s 14 r (their) s 14 r 98 c 1 r (oundaries,) s 15 r (instead) s 14 r (of) s 14 r (requiring) s 14 r (that) s 14 r (the) s 0 902 p 98 c 1 r (oundaries) s 15 r 98 c 2 r 101 c 15 r (either) s 15 r (imp) s 1 r (enetrable) s 15 r (or) s 16 r (eliminated.) s 71 998 p (One) s 17 r (of) s 18 r (the) s 17 r (most) s 18 r (problematic) s 18 r (asp) s 1 r (ects) s 17 r (of) s 18 r (the) s 18 r 112 c 1 r (olicy) s 17 r (routing) s 18 r (requiremen) s 0 r (ts) s 16 r (iden) s 0 r (ti\014ed) s 17 r (here) s 17 r (is) s 18 r (the) s 0 1054 p (need) s 19 r (to) s 18 r (supp) s 1 r (ort) s 19 r 98 c 1 r (oth) s 19 r (net) s 0 r 119 c -2 r (ork) s 18 r (resource) s 19 r (sharing) s 18 r (and) s 19 r (in) s 0 r (terconnection) s 17 r (across) s 19 r (ADs.) s 30 r (An) s 19 r (example) s 19 r (of) s 0 1111 p (resource) s 16 r (sharing) s 16 r (is) s 17 r 116 c -1 r 119 c -1 r 111 c 15 r (ADs) s 17 r (\(e.g.,) s 16 r (agencies,) s 17 r (divisions,) s 16 r (companies\)) s 16 r (sharing) s 17 r (net) s -1 r 119 c -1 r (ork) s 15 r (resources) s 17 r (\(e.g.,) s 0 1167 p (links,) s 19 r (or) s 18 r (gatew) s 0 r 97 c -2 r (ys) s 17 r (and) s 19 r (links\)) s 18 r (to) s 18 r (tak) s 0 r 101 c 17 r (adv) s -2 r (an) s -1 r (tage) s 17 r (of) s 18 r (economies) s 18 r (of) s 18 r (scale.) s 29 r (Pro) s 0 r (viding) s 17 r (transit) s 18 r (services) s 0 1224 p (to) s 22 r (external) s 22 r (ADs) s 22 r (is) s 22 r (another) s 21 r (example) s 22 r (of) s 22 r (net) s 0 r 119 c -1 r (ork) s 21 r (resource) s 22 r (sharing.) s 40 r (In) s 0 r (terconnection) s 21 r (is) s 21 r (the) s 22 r (more) s 0 1280 p (common) s 19 r (example) s 19 r (of) s 19 r (ADs) s 19 r (in) s 0 r (terconnecting) s 18 r (their) s 19 r (indep) s 2 r (enden) s -1 r (tly) s 19 r (used) s 19 r (net) s -1 r 119 c -1 r (ork) s 18 r (resources) s 19 r (to) s 20 r (ac) s -1 r (hiev) s -1 r 101 c 0 1337 p (connectivit) s 0 r 121 c 14 r (across) s 15 r (the) s 15 r (ADs,) s 15 r (i.e.,) s 15 r (to) s 15 r (allo) s 0 r 119 c 14 r 97 c 15 r (user) s 15 r (in) s 15 r (one) s 15 r (AD) s 15 r (to) s 15 r (comm) s 0 r (unicate) s 14 r (with) s 15 r (users) s 15 r (in) s 15 r (another) s 0 1393 p (AD.) s 19 r (In) s 20 r (some) s 19 r (resp) s 1 r (ects,) s 21 r (net) s -1 r 119 c -1 r (ork) s 19 r (resource) s 19 r (con) s 0 r (trol) s 18 r (is) s 19 r (simpler) s 20 r (than) s 19 r (net) s 0 r 119 c -1 r (ork) s 18 r (in) s 0 r (terconnection) s 18 r (con) s 0 r (trol) s 0 1450 p (since) s 17 r (the) s 17 r 112 c 1 r (oten) s 0 r (tial) s 15 r (dangers) s 17 r (are) s 17 r (few) s -1 r (er) s 16 r (\(i.e.,) s 17 r (denial) s 17 r (of) s 17 r (service) s 17 r (and) s 16 r (loss) s 17 r (of) s 17 r (rev) s 0 r (en) s -2 r (ue) s 16 r (as) s 17 r (compared) s 17 r (with) s 0 1506 p 97 c 20 r (wide) s 19 r (range) s 20 r (of) s 20 r (attac) s -1 r (ks) s 19 r (on) s 20 r (end) s 19 r (systems) s 20 r (through) s 20 r (net) s 0 r 119 c -2 r (ork) s 19 r (in) s 0 r (terconnection\).) s 32 r (Ho) s 0 r 119 c -1 r (ev) s -1 r (er,) s 19 r (con) s 0 r (trolled) s 0 1562 p (net) s 0 r 119 c -2 r (ork) s 16 r (resource) s 16 r (sharing) s 16 r (is) s 16 r (more) s 17 r (di\016cult) s 16 r (to) s 16 r (supp) s 1 r (ort.) s 24 r (In) s 16 r (an) s 16 r (in) s 0 r (ternet) s 15 r 97 c 17 r (pac) s -1 r 107 c -1 r (et) s 15 r (ma) s 0 r 121 c 15 r (tra) s 0 r 118 c -1 r (el) s 15 r (through) s 0 1619 p 97 c 14 r 110 c 0 r (um) s -1 r 98 c 0 r (er) s 14 r (of) s 14 r (transit) s 14 r (ADs) s 15 r (on) s 14 r (its) s 14 r 119 c 0 r 97 c -2 r 121 c 14 r (to) s 14 r (the) s 14 r (destination.) s 20 r (Consequen) s 0 r (tly) s -4 r 44 c 13 r 112 c 2 r (olicies) s 14 r (from) s 14 r (all) s 14 r (transit) s 14 r (ADs) s 0 1675 p 109 c 0 r (ust) s 15 r 98 c 2 r 101 c 16 r (considered) s 17 r (when) s 16 r 97 c 17 r (pac) s 0 r 107 c -2 r (et) s 16 r (is) s 16 r 98 c 2 r (eing) s 16 r (sen) s 0 r (t,) s 16 r (whereas) s 16 r (for) s 17 r (stub-AD) s 17 r (con) s -1 r (trol) s 16 r (only) s 16 r (the) s 17 r 112 c 1 r (olicies) s 17 r (of) s 0 1732 p (the) s 15 r 116 c -1 r 119 c -1 r 111 c 14 r (end) s 14 r 112 c 2 r (oin) s -1 r 116 c 14 r (ADs) s 15 r (ha) s -1 r 118 c -1 r 101 c 14 r (to) s 14 r 98 c 2 r 101 c 14 r (considered.) s 20 r (In) s 15 r (other) s 14 r 119 c 0 r (ords,) s 14 r (con) s 0 r (trolled) s 13 r (net) s 0 r 119 c -1 r (ork) s 13 r (resource) s 15 r (sharing) s 0 1788 p (and) s 13 r (transit) s 13 r (require) s 12 r (that) s 13 r 112 c 2 r (olicy) s 12 r (enforcemen) s 0 r 116 c 12 r 98 c 1 r 101 c 13 r (in) s 0 r (tegrated) s 11 r (in) s 0 r (to) s 12 r (the) s 13 r (routing) s 13 r (proto) s 1 r (cols) s 13 r (themselv) s -1 r (es) s 12 r (and) s 0 1845 p (can) s 15 r (not) s 15 r 98 c 2 r 101 c 15 r (left) s 15 r (to) s 15 r (net) s 0 r 119 c -2 r (ork) s 15 r (con) s -1 r (trol) s 15 r (mec) s -1 r (hanisms) s 14 r (at) s 16 r (the) s 15 r (end) s 15 r 112 c 1 r (oin) s 0 r (ts.) s cmr8.1500-13 @sf 1293 1828 p 54 c 22 r 55 c cmr10.1643-34 @sf 71 1940 p (Complications) s 22 r (also) s 22 r (result) s 22 r (from) s 22 r (the) s 22 r (fact) s 22 r (that) s 22 r (legitimate) s 22 r (users) s 22 r (of) s 22 r (an) s 22 r (AD's) s 23 r (resources) s 22 r (are) s 22 r (not) s 0 1997 p (all) s 21 r (lo) s 1 r (cated) s 21 r (in) s 20 r (that) s 21 r (AD.) s 20 r (Man) s 0 r 121 c 20 r (users) s 21 r (\(and) s 20 r (their) s 21 r (computers\)) s 20 r (who) s 21 r (are) s 21 r (funded) s 20 r 98 c 0 r 121 c -4 r 44 c 21 r (or) s 21 r (are) s 21 r (a\016liated) s 0 2053 p (with,) s 25 r 97 c 22 r (particular) s 23 r (agency's) s 23 r (program) s 22 r (reside) s 23 r (within) s 22 r (the) s 23 r (AD) s 23 r (of) s 22 r (the) s 23 r (user's) s 23 r (univ) s -1 r (ersit) s -1 r 121 c 22 r (or) s 23 r (researc) s -1 r 104 c 0 2093 p 780 2 ru cmr6.1500-4 @sf 52 2120 p 54 c cmr9.1500-18 @sf 69 2136 p (Another) s 13 r (di\013erence) s 13 r (is) s 13 r (that) s 13 r (in) s 13 r (the) s 13 r (in) s 0 r (terconnect) s 12 r (case,) s 13 r (tra\016c) s 13 r (tra) s 0 r 118 c -1 r (eling) s 12 r 111 c 0 r 118 c -2 r (er) s 12 r (AD) s 13 r (A's) s 13 r (net) s 0 r 119 c -1 r (ork) s 12 r (resources) s 13 r (alw) s 0 r 97 c -1 r (ys) s 12 r (has) s 13 r 97 c 0 2181 p (mem) s 0 r 98 c (er) s 11 r (of) s 11 r (AD) s 11 r 65 c 10 r (as) s 11 r (its) s 11 r (source) s 11 r (or) s 11 r (destination) s 11 r (\(or) s 11 r 98 c 1 r (oth\).) s 16 r (Under) s 11 r (resource) s 11 r (sharing) s 11 r (arrangemen) s 0 r (ts) s 9 r (mem) s 0 r 98 c 0 r (ers) s 11 r (of) s 11 r 98 c 1 r (oth) s 11 r (AD) s 11 r 65 c 0 2227 p (and) s 13 r 66 c 13 r (are) s 14 r (connected) s 13 r (to) s 13 r (the) s 13 r (same) s 14 r (resources) s 13 r (and) s 13 r (consequen) s 0 r (tly) s 12 r (in) s 0 r (tra-AD) s 13 r (tra\016c) s 13 r (\(i.e.,) s 13 r (pac) s 0 r 107 c -1 r (ets) s 12 r (sourced) s cmti9.1500-21 @sf 13 r (and) s cmr9.1500-18 @sf 14 r (destined) s 13 r (for) s 0 2272 p (mem) s 0 r 98 c (ers) s 14 r (of) s 13 r (the) s 14 r (same) s 14 r (AD\)) s 14 r (tra) s -1 r 118 c -1 r (els) s 13 r 111 c 0 r 118 c -1 r (er) s 13 r (the) s 13 r (resources.) s 20 r (This) s 14 r (distinction) s 14 r (is) s 13 r (relev) s -1 r (an) s -1 r 116 c 13 r (to) s 14 r (the) s 13 r (writing) s 14 r (of) s 14 r 112 c 1 r (olicies) s 13 r (in) s 14 r (terms) s 0 2318 p (of) s 13 r (principal) s 13 r (a\016liation.) s cmr6.1500-4 @sf 52 2348 p 55 c cmr9.1500-18 @sf 69 2364 p (Economies) s 16 r (of) s 16 r (scale) s 15 r (is) s 16 r (one) s 16 r (motiv) s -1 r (ation) s 15 r (for) s 15 r (resource) s 16 r (sharing.) s 26 r 70 c -2 r (or) s 15 r (example,) s 16 r (instead) s 16 r (of) s 16 r (in) s 0 r (terconnecting) s 15 r (separately) s 0 2409 p (to) s 14 r (sev) s 0 r (eral) s 13 r (indep) s 1 r (enden) s 0 r 116 c 13 r (agency) s 14 r (net) s 0 r 119 c -1 r (orks,) s 13 r 97 c 14 r (campus) s 14 r (net) s 0 r 119 c -1 r (ork) s 13 r (ma) s 0 r 121 c 13 r (in) s 0 r (terconnect) s 12 r (to) s 14 r 97 c 14 r (shared) s 14 r (bac) s 0 r (kb) s 0 r (one) s 14 r (facilit) s 0 r 121 c -3 r 46 c 20 r 84 c -3 r 111 c 1 r (da) s -1 r 121 c -3 r 44 c 0 2455 p (in) s 0 r (terconnection) s 13 r (is) s 15 r (ac) s 0 r (hiev) s -1 r (ed) s 13 r (through) s 15 r 97 c 14 r (com) s 0 r (bination) s 14 r (of) s 14 r (AD) s 15 r (sp) s 1 r (eci\014c) s 14 r (and) s 15 r (shared) s 14 r (arrangemen) s 0 r (ts.) s 21 r 87 c -2 r 101 c 14 r (exp) s 1 r (ect) s 14 r (this) s 15 r (mixed) s 0 2501 p (situation) s 12 r (to) s 12 r 112 c 1 r (ersist) s 11 r (for) s 12 r (\\w) s 0 r (ell-connected") s 11 r (campuses) s 12 r (for) s 11 r (reasons) s 12 r (of) s 12 r 112 c 1 r (olitics,) s 12 r (economics,) s 12 r (and) s 12 r (functionalit) s -1 r 121 c 11 r (\(e.g.,) s 12 r (di\013eren) s 0 r 116 c 0 2546 p 99 c 0 r (haracteristics) s 12 r (of) s 13 r (the) s 12 r (di\013eren) s 0 r 116 c 12 r (agency-net) s 0 r 119 c -1 r (orks\).) s 16 r (See) s 13 r (Section) s 13 r 53 c 12 r (for) s 13 r (more) s 13 r (discussion.) s cmr10.1643-34 @sf 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (4]) s @eop 3 @bop0 cmbx12.1500-48 @sf [ 40 34 -2 0 41.798] 82 @dc [<03FC7FC00FFF7FC00FC3FE001F81FE001F80FE001F80FE001F807E001F807E001F807E001F807E001F807E001F807E001F80 7E001F807E001F807E001F807E001F807E001F807E001F807E001F807E00FF83FE00FF83FE00> 32 22 -2 0 31.133] 117 @dc cmr8.1500-13 @sf [<03FE03FE0070007000700070FFFEFFFEE0707070307018701C700E700670077003F001F000F000F00070> 16 21 -1 0 17.642] 52 @dc [<1F807FE0F0F0E070E038E038003800380038607078F07FE06FC060006000600060007FC07FE07FF07030> 16 21 -2 0 17.642] 53 @dc cmr6.1500-4 @sf [<1FE01FE0030003000300FFE0FFE0E300630033003B001B001F000F0007000700> 16 16 -1 0 15.220] 52 @dc [<3F00FFC0E1C0E0E0E0E000E070E079E07FC06F80600060007C007F007F806180> 16 16 -1 0 15.220] 53 @dc cmr9.1500-18 @sf [ 16 37 -2 9 19.198] 47 @dc 3 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx12.1500-48 @sf 0 45 p (3.1) s 56 r 80 c -1 r (olicy) s 18 r (Routing) s cmr10.1643-34 @sf 0 170 p (Previous) s 20 r (proto) s 1 r (cols) s 20 r (suc) s 0 r 104 c 19 r (as) s 20 r (the) s 21 r (Exterior) s 20 r (Gatew) s -1 r 97 c -1 r 121 c 19 r (Proto) s 1 r (col) s 21 r (\(EGP\)[) s 0 r 51 c 0 r 93 c 20 r (em) s -1 r 98 c 1 r 111 c 1 r (died) s 20 r 97 c 20 r (limited) s 20 r (notion) s 0 227 p (of) s 17 r 112 c 1 r (olicy) s 17 r (and) s 17 r (ADs.) s 26 r (In) s 17 r (particular,) s 17 r (autonomous) s 17 r (system) s 17 r 98 c 2 r (oundaries) s 17 r (constrained) s 17 r (the) s 17 r (\015o) s -1 r 119 c 16 r (of) s 17 r (routing) s 0 283 p (database) s 20 r (information,) s 21 r (and) s 21 r (only) s 20 r (indirectly) s 20 r (a\013ected) s 20 r (the) s 20 r (\015o) s 0 r 119 c 19 r (of) s 20 r (pac) s 0 r 107 c -1 r (ets) s 19 r (themselv) s -1 r (es.) s 35 r 87 c -3 r 101 c 19 r (consider) s 0 339 p (an) s 15 r (Administrativ) s 0 r 101 c 14 r (Domain) s 15 r (\(AD\)) s 15 r (to) s 16 r 98 c 1 r 101 c 15 r 97 c 15 r (set) s 15 r (of) s 16 r (hosts) s 15 r (and) s 15 r (net) s 0 r 119 c -2 r (ork) s 15 r (resources) s 15 r (\(gatew) s 0 r 97 c -2 r (ys,) s 15 r (links,) s 15 r (etc.\)) s 0 396 p (that) s 12 r (is) s 12 r (go) s 0 r 118 c -1 r (erned) s 11 r 98 c 0 r 121 c 11 r (common) s 12 r 112 c 1 r (olicies.) s 20 r (In) s 12 r (large) s 12 r (in) s 0 r (ternets) s 11 r (that) s 12 r (cross) s 12 r (organization) s 12 r 98 c 2 r (oundaries,) s 12 r (e.g.,) s 13 r (the) s 0 452 p (Researc) s 0 r 104 c 17 r (In) s -1 r (ternet,) s 18 r (in) s 0 r (ter-AD) s 17 r (routes) s 17 r 109 c 0 r (ust) s 17 r 98 c 1 r 101 c 18 r (selected) s 18 r (according) s 18 r (to) s 18 r 112 c 1 r (olicy-related) s 18 r (parameters) s 18 r (suc) s 0 r 104 c 0 509 p (as) s 15 r (cost) s 14 r (and) s 15 r (access) s 15 r (righ) s 0 r (ts,) s 14 r (in) s 14 r (addition) s 15 r (to) s 15 r (the) s 15 r (traditional) s 14 r (parameters) s 15 r (of) s 15 r (connectivit) s 0 r 121 c 13 r (and) s 15 r (congestion.) s 0 565 p (In) s 20 r (other) s 21 r 119 c -1 r (ords,) s 21 r 80 c 0 r (olicy) s 19 r (Routing) s 20 r (\(PR\)) s 21 r (is) s 20 r (needed) s 21 r (to) s 20 r (na) s 0 r (vigate) s 19 r (through) s 20 r (the) s 21 r (complex) s 20 r 119 c 0 r (eb) s 19 r (of) s 20 r 112 c 2 r (olicy) s 0 622 p 98 c 1 r (oundaries) s 18 r (created) s 19 r 98 c -1 r 121 c 17 r 110 c 0 r (umerous) s 17 r (in) s 0 r (terconnected) s 17 r (ADs.) s 29 r (Moreo) s 0 r 118 c -1 r (er,) s 18 r (eac) s -1 r 104 c 17 r (AD) s 18 r (has) s 19 r (its) s 18 r 111 c -1 r (wn) s 18 r (privileges) s 0 678 p (and) s 16 r 112 c 1 r (ersp) s 1 r (ectiv) s 0 r 101 c 15 r (and) s 15 r (therefore) s 16 r 109 c 0 r (ust) s 15 r (mak) s -1 r 101 c 15 r (its) s 16 r 111 c -1 r (wn) s 15 r (ev) s -1 r (aluation) s 14 r (of) s 16 r (legal) s 16 r (and) s 15 r (preferred) s 16 r (routes.) s 22 r (E\013orts) s 0 735 p (are) s 20 r (no) s 0 r 119 c 19 r (underw) s 0 r 97 c -1 r 121 c 19 r (to) s 20 r (dev) s 0 r (elop) s 20 r 97 c 20 r (new) s 20 r (generation) s 20 r (of) s 21 r (routing) s 20 r (proto) s 1 r (col) s 21 r (that) s 20 r (will) s 20 r (allo) s 0 r 119 c 19 r (eac) s 0 r 104 c 19 r (AD) s 21 r (to) s 0 791 p (indep) s 1 r (enden) s 0 r (tly) s 15 r (express) s 15 r (and) s 16 r (enforce) s 16 r 112 c 1 r (olicies) s 16 r (regarding) s 16 r (the) s 15 r (\015o) s 0 r 119 c 15 r (of) s 16 r (pac) s -1 r 107 c -1 r (ets) s 15 r (to,) s 16 r (from,) s 16 r (and) s 15 r (through) s 16 r (its) s 0 847 p (resources[) s 52 c (].) s cmr8.1500-13 @sf 241 831 p 52 c cmr10.1643-34 @sf 71 943 p (The) s 14 r (purp) s 2 r (ose) s 15 r (of) s 14 r (this) s 15 r (pap) s 2 r (er) s 14 r (is) s 15 r (to) s 15 r (articulate) s 15 r (the) s 15 r (requiremen) s 0 r (ts) s 13 r (for) s 15 r (suc) s 0 r 104 c 14 r 112 c 1 r (olicy) s 15 r (based) s 15 r (routing.) s 20 r (Tw) s 0 r 111 c 0 1000 p (critical) s 15 r (assumptions) s 15 r (will) s 15 r (shap) s 2 r 101 c 15 r (the) s 15 r 116 c 0 r (yp) s 0 r 101 c 15 r (of) s 15 r (routing) s 15 r (mec) s 0 r (hanism) s 14 r (that) s 16 r (is) s 15 r (devised:) s cmsy10.1643-36 @sf 68 1132 p 15 c cmr10.1643-34 @sf 23 r (The) s 15 r (top) s 1 r (ological) s 15 r (organization) s 16 r (of) s 15 r (ADs,) s 15 r (and) s cmsy10.1643-36 @sf 68 1226 p 15 c cmr10.1643-34 @sf 23 r (The) s 15 r 116 c 0 r (yp) s 0 r 101 c 15 r (and) s 15 r 118 c -1 r (ariabilit) s -1 r 121 c 14 r (of) s 15 r 112 c 1 r (olicies) s 15 r (expressed) s 15 r 98 c 0 r 121 c 14 r (ADs.) s 0 1359 p 87 c -3 r 101 c 12 r (mak) s 0 r 101 c 12 r (use) s 13 r (of) s 13 r (the) s 13 r 112 c 2 r (olicies) s 13 r (expressed) s 13 r 98 c 0 r 121 c 12 r 111 c -1 r (wners) s 12 r (of) s 13 r (curren) s 0 r 116 c 12 r (Researc) s 0 r 104 c 12 r (In) s 0 r (ternet) s 12 r (resources) s 13 r (and) s 13 r (priv) s -1 r (ate) s 0 1416 p (net) s 0 r 119 c -2 r (orks) s 12 r (connected) s 13 r (to) s 12 r (the) s 13 r (Researc) s 0 r 104 c 11 r (In) s 0 r (ternet) s 12 r (to) s 12 r (generalize) s 13 r 116 c 0 r (yp) s 0 r (es) s 13 r (of) s 12 r 112 c 2 r (olicies) s 12 r (that) s 13 r 109 c 0 r (ust) s 11 r 98 c 2 r 101 c 12 r (supp) s 1 r (orted.) s 0 1472 p (This) s 14 r (top) s 15 r (do) s 0 r (wn) s 13 r (e\013ort) s 14 r 109 c 0 r (ust) s 13 r 98 c 2 r 101 c 14 r (done) s 15 r (with) s 14 r (atten) s 0 r (tion) s 13 r (to) s 14 r (the) s 15 r (tec) s 0 r (hnical) s 13 r (implications) s 14 r (of) s 15 r (the) s 14 r 112 c 1 r (olicy) s 15 r (state-) s 0 1529 p (men) s 0 r (ts) s 11 r (if) s 13 r (the) s 12 r (result) s 12 r (is) s 13 r (to) s 12 r 98 c 2 r 101 c 12 r (useful) s 13 r (in) s 12 r (guiding) s 12 r (tec) s 0 r (hnical) s 12 r (dev) s -1 r (elopmen) s -1 r (t.) s 18 r 70 c -2 r (or) s 11 r (example,) s 13 r (some) s 12 r (ADs) s 13 r (express) s 0 1585 p (the) s 15 r (desire) s 15 r (to) s 16 r (enforce) s 15 r (lo) s 1 r (cal) s 15 r (constrain) s 0 r (ts) s 14 r 111 c 0 r 118 c -1 r (er) s 14 r (ho) s 0 r 119 c 14 r (pac) s 0 r 107 c -2 r (ets) s 15 r (tra) s -1 r 118 c -1 r (el) s 14 r (to) s 16 r (their) s 15 r (destination.) s 20 r (Other) s 15 r (ADs) s 16 r (are) s 0 1642 p (only) s 12 r (concerned) s 13 r (with) s 12 r (prev) s 0 r (en) s -1 r (ting) s 11 r (use) s 13 r (of) s 12 r (their) s 13 r 111 c -1 r (wn) s 12 r (net) s -1 r 119 c -1 r (ork) s 12 r (resources) s 12 r 98 c 0 r 121 c 11 r (restricting) s 13 r (transit.) s 19 r (Still) s 12 r (other) s 0 1698 p (ADs) s 13 r (are) s 13 r (concerned) s 13 r (primarily) s 13 r (with) s 13 r (reco) s 0 r 118 c -2 r (ering) s 12 r (the) s 13 r (exp) s 1 r (ense) s 13 r (of) s 13 r (carrying) s 13 r (tra\016c) s 13 r (and) s 13 r (pro) s 0 r (viding) s 12 r (feedbac) s 0 r 107 c 0 1754 p (to) s 13 r (users) s 13 r (so) s 14 r (that) s 13 r (users) s 13 r (will) s 13 r (limit) s 14 r (their) s 13 r 111 c 0 r (wn) s 12 r (data) s 13 r (\015o) s 0 r (ws;) s 13 r (in) s 13 r (other) s 13 r 119 c 0 r (ords) s 12 r (they) s 13 r (are) s 14 r (concerned) s 13 r (with) s 13 r 99 c 0 r (harg-) s 0 1811 p (ing.) s 20 r 87 c -3 r 101 c 14 r (refer) s 15 r (to) s 14 r (ADs) s 15 r (whose) s 14 r (primary) s 15 r (concern) s 15 r (is) s 14 r (comm) s 0 r (unication) s 14 r (to) s 14 r (and) s 15 r (from) s 15 r (hosts) s 14 r (within) s 15 r (their) s 14 r (AD) s 0 1867 p (as) s cmti10.1643-37 @sf 17 r (stub) s cmr10.1643-34 @sf 16 r (and) s 17 r (to) s 17 r (ADs) s 17 r (whose) s 16 r (primary) s 17 r (concern) s 17 r (is) s 16 r (carrying) s 17 r (pac) s 0 r 107 c -1 r (ets) s 15 r (to) s 17 r (and) s 17 r (from) s 17 r (other) s 16 r (ADs) s 17 r (as) s cmti10.1643-37 @sf 17 r (tr) s -2 r (ansit) s cmr10.1643-34 @sf 0 r 46 c 0 1924 p (If) s 18 r 119 c -1 r 101 c 17 r (address) s 18 r (con) s 0 r (trol) s 16 r (of) s 18 r (transit) s 18 r (alone,) s 18 r (for) s 18 r (example,) s 18 r (the) s 18 r (resulting) s 17 r (mec) s 0 r (hanisms) s 17 r (will) s 18 r (not) s 17 r (necessarily) s 0 1980 p (allo) s 0 r 119 c 14 r (an) s 15 r (AD) s 16 r (to) s 15 r (con) s 0 r (trol) s 14 r (the) s 16 r (\015o) s -1 r 119 c 15 r (of) s 15 r (its) s 15 r (pac) s 0 r 107 c -1 r (ets) s 14 r (from) s 16 r (source) s 15 r (to) s 15 r (destination,) s 16 r (or) s 15 r (to) s 15 r (implemen) s 0 r 116 c 14 r (\015exible) s 0 2037 p 99 c 0 r (harging) s 18 r (sc) s -1 r (hemes.) s cmr8.1500-13 @sf 358 2020 p 53 c cmr10.1643-34 @sf 409 2037 p (Our) s 19 r (purp) s 2 r (ose) s 19 r (is) s 19 r (to) s 18 r (articulate) s 19 r 97 c 19 r (comprehensiv) s 0 r 101 c 18 r (set) s 19 r (of) s 19 r (requiremen) s 0 r (ts) s 18 r (for) s 19 r (PR) s 19 r (as) s 0 2093 p (input) s 15 r (to) s 15 r (the) s 15 r (functional) s 16 r (sp) s 1 r (eci\014cation,) s 15 r (and) s 15 r (ev) s -1 r (aluation,) s 14 r (of) s 15 r (prop) s 1 r (osed) s 15 r (proto) s 2 r (cols.) s 0 2133 p 780 2 ru cmr6.1500-4 @sf 52 2160 p 52 c cmr9.1500-18 @sf 69 2175 p (These) s 18 r (issues) s 17 r (are) s 18 r (under) s 18 r (in) s -1 r 118 c -1 r (estigation) s 17 r 98 c 0 r 121 c 17 r (the) s 17 r (IAB) s 18 r (Autonomous) s 17 r (Net) s 0 r 119 c -1 r (orks) s 17 r (Researc) s 0 r 104 c 16 r (Group) s 18 r (and) s 18 r (the) s 17 r (IAB) s 18 r (Op) s 1 r (en) s 0 2221 p (Routing) s 13 r 87 c -2 r (orking) s 11 r (Group.) s 17 r 70 c -2 r (or) s 12 r (further) s 13 r (information) s 13 r (con) s 0 r (tact) s 11 r (the) s 13 r (author.) s cmr6.1500-4 @sf 52 2251 p 53 c cmr9.1500-18 @sf 69 2267 p (Gene) s 15 r (Tsudik) s 14 r (uses) s 14 r (the) s 15 r (analogy) s 14 r (of) s 15 r (in) s 0 r (ternational) s 13 r (tra) s 0 r 118 c -1 r (el) s 13 r (to) s 15 r (express) s 14 r (the) s 15 r (need) s 14 r (for) s 15 r (source) s 14 r (and) s 15 r (transit) s 14 r (con) s 0 r (trols.) s 21 r (Eac) s 0 r 104 c 0 2312 p (coun) s 0 r (try) s 16 r (expresses) s 16 r (its) s 17 r 111 c 0 r (wn) s 15 r 112 c 1 r (olicies) s 17 r (ab) s 1 r (out) s 17 r (tra) s 0 r 118 c -2 r (el) s 16 r (to) s 17 r (and) s 16 r (through) s 17 r (its) s 16 r (land.) s 29 r 84 c -2 r (ra) s -1 r 118 c -1 r (el) s 15 r (through) s 17 r (one) s 16 r (coun) s 0 r (try) s 16 r (en) s 17 r (route) s 16 r (to) s 0 2358 p (another) s 14 r (is) s 14 r (analogous) s 14 r (to) s 14 r (transit) s 13 r (tra\016c) s 14 r (in) s 14 r (the) s 14 r (net) s 0 r 119 c -1 r (ork) s 13 r 119 c 0 r (orld.) s 19 r 65 c 14 r (tra) s 0 r 118 c -1 r (eler) s 13 r (collects) s 14 r 112 c 1 r (olicy) s 14 r (information) s 14 r (from) s 14 r (eac) s 0 r 104 c 12 r (of) s 14 r (the) s 0 2404 p (coun) s 0 r (tries) s 13 r (of) s 13 r (in) s 0 r (terest) s 13 r (and) s 14 r (plans) s 13 r (an) s 14 r (itinerary) s 14 r (that) s 13 r (conforms) s 14 r (to) s 14 r (those) s 13 r 112 c 1 r (olicies) s 14 r (as) s 14 r 119 c 0 r (ell) s 12 r (as) s 14 r (the) s 14 r (preferences) s 13 r (of) s 14 r (the) s 14 r (tra) s 0 r 118 c -2 r (eler) s 0 2449 p (and) s 13 r (his/her) s 13 r (home) s 12 r (nation.) s 17 r (Th) s 0 r (us) s 12 r (there) s 13 r (is) s 13 r 98 c 1 r (oth) s 13 r (source) s 12 r (and) s 13 r (transit) s 13 r (region) s 13 r (con) s 0 r (trol) s 12 r (of) s 12 r (routing.) s cmr10.1643-34 @sf 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (3]) s @eop 2 @bop0 cmbx10.2160-55 @sf [<00FFC00007FFF8001FFFFC003F81FF007F00FF807F807F80FFC07FC0FFC03FC0FFC03FE0FFC03FE0FFC03FE07F803FE07F80 3FE01E003FE000003FE000003FC000007FC000007F800000FF000001FE0000FFF80000FFC0000007F0000003FC000001FE00 0000FF000F80FF001FC0FF803FE07F803FE07F803FE07F803FE07F803FE07F803FC0FF001F80FF000FC1FE0007FFFC0003FF F000007FC000> 32 39 -3 0 34.370] 51 @dc [ 48 41 -3 0 48.898] 66 @dc cmr9.1500-18 @sf [ 24 26 -1 0 26.128] 80 @dc 2 @bop1 cmsl10.1643-38 @sf 0 -99 p (RF) s 0 r 67 c 14 r (1125) s 518 r 80 c -1 r (olicy) s 14 r (Requiremen) s 0 r (ts) s 517 r (No) s 0 r 118 c -2 r (em) s -1 r 98 c 0 r (er) s 15 r (1989) s cmbx10.2160-55 @sf 0 45 p 51 c 69 r (Bac) s -1 r (kground) s cmr10.1643-34 @sf 0 186 p (The) s cmti10.1643-37 @sf 12 r 82 c -1 r (ese) s -3 r (ar) s -2 r (ch) s 12 r (Internet) s cmr8.1500-13 @sf 436 169 p 50 c cmr10.1643-34 @sf 468 186 p (has) s 12 r (ev) s 0 r (olv) s -1 r (ed) s 10 r (from) s 12 r 97 c 12 r (single) s 12 r (bac) s 0 r (kb) s 0 r (one) s 12 r (wide) s 12 r (area) s 12 r (net) s 0 r 119 c -1 r (ork) s 10 r (with) s 12 r (man) s 0 r 121 c 11 r (connected) s 0 242 p (campus) s 16 r (net) s -1 r 119 c -1 r (orks,) s 15 r (to) s 16 r (an) s 16 r (in) s -1 r (ternet) s 15 r (with) s 16 r 109 c -1 r (ultiple) s 15 r (cross-coun) s 0 r (try) s 15 r (bac) s -1 r (kb) s 1 r (ones,) s 15 r (regional) s 16 r (access) s 16 r (net) s 0 r 119 c -2 r (orks,) s 0 299 p (and) s 23 r 97 c 22 r (profusion) s 23 r (of) s 23 r (campus) s 22 r (net) s 0 r 119 c -1 r (orks.) s 41 r 65 c 0 r 116 c 22 r (times) s 23 r (during) s 22 r (its) s 23 r (dev) s 0 r (elopmen) s -2 r 116 c 22 r (the) s 23 r (Researc) s -1 r 104 c 22 r (In) s 0 r (ternet) s 0 355 p (top) s 1 r (ology) s 12 r (app) s 1 r (eared) s 12 r (somewhat) s 12 r 99 c -1 r (haotic.) s 19 r (Ov) s -1 r (erlapping) s 11 r (facilities) s 12 r (and) s 12 r (lateral) s 11 r (\(as) s 12 r (opp) s 1 r (osed) s 12 r (to) s 12 r (hierarc) s -1 r (hical\)) s 0 412 p (connections) s 12 r (seemed) s 13 r (to) s 12 r 98 c 2 r 101 c 12 r (the) s 13 r (rule) s 12 r (rather) s 13 r (than) s 12 r (the) s 13 r (exception.) s 19 r 84 c -3 r 111 c 0 r (da) s 0 r 121 c 12 r (the) s 12 r (Researc) s 0 r 104 c 11 r (In) s 0 r (ternet) s 12 r (top) s 1 r (ology) s 0 468 p (is) s 16 r 98 c 2 r (ecoming) s 16 r (more) s 16 r (regular) s 16 r (through) s 17 r (co) s 1 r (ordination) s 16 r (of) s 16 r (agency) s 17 r (in) s -1 r 118 c -1 r (estmen) s -1 r 116 c 15 r (and) s 16 r (adoption) s 16 r (of) s 17 r 97 c 16 r (hierarc) s 0 r 104 c -2 r 121 c 0 524 p (similar) s 17 r (to) s 16 r (that) s 17 r (of) s 16 r (the) s 17 r (telephone) s 17 r (net) s -1 r 119 c -1 r (orks'.) s 24 r (The) s 16 r (result) s 17 r (is) s 17 r (sev) s -1 r (eral) s 16 r 111 c 0 r 118 c -2 r (erlapping) s 16 r (wide) s 17 r (area) s 16 r (bac) s 0 r (kb) s 0 r (ones) s 0 581 p (connected) s 13 r (to) s 14 r (regional) s 13 r (net) s 0 r 119 c -1 r (orks,) s 12 r (whic) s 0 r 104 c 13 r (in) s 13 r (turn) s 13 r (connect) s 14 r (to) s 13 r (campus) s 14 r (net) s -1 r 119 c -1 r (orks) s 12 r (at) s 14 r (univ) s 0 r (ersities,) s 12 r (researc) s 0 r 104 c 0 637 p (lab) s 1 r (oratories,) s 16 r (and) s 15 r (priv) s -1 r (ate) s 14 r (companies.) s 22 r (Ho) s -1 r 119 c -1 r (ev) s -1 r (er,) s 15 r (the) s 15 r (telephone) s 16 r (net) s -1 r 119 c -1 r (ork) s 15 r (has) s 15 r (lateral) s 16 r (connections) s 15 r (only) s 0 694 p (at) s 18 r (the) s 18 r (highest) s 18 r (lev) s 0 r (el,) s 18 r (i.e.,) s 19 r 98 c 1 r (et) s 0 r 119 c -2 r (een) s 17 r (long) s 18 r (haul) s 18 r (carriers.) s 29 r (In) s 18 r (the) s 19 r (Researc) s -1 r 104 c 17 r (In) s 0 r (ternet) s 17 r (there) s 18 r (exist) s 18 r (lateral) s 0 750 p (connections) s 15 r (at) s 15 r (eac) s 0 r 104 c 14 r (lev) s 0 r (el) s 14 r (of) s 15 r (the) s 15 r (hierarc) s 0 r 104 c -1 r 121 c -4 r 44 c 14 r (i.e.,) s 15 r 98 c 2 r (et) s -1 r 119 c -1 r (een) s 14 r (campus) s 15 r (\(and) s 16 r (regional\)) s 15 r (net) s -1 r 119 c -1 r (orks) s 14 r (as) s 15 r 119 c 0 r (ell.) s 71 846 p (Additional) s 12 r (complexit) s 0 r 121 c 11 r (is) s 13 r (in) s 0 r (tro) s 0 r (duced) s 12 r (in) s 13 r (the) s 12 r (Researc) s 0 r 104 c 12 r (In) s -1 r (ternet) s 12 r 98 c 0 r 121 c 11 r (virtue) s 13 r (of) s 12 r (connections) s 13 r (to) s 12 r (priv) s -1 r (ate) s 0 902 p (net) s 0 r 119 c -2 r (orks.) s 19 r (Man) s 0 r 121 c 13 r (priv) s -2 r (ate) s 13 r (companies) s 13 r (are) s 14 r (connected) s 14 r (to) s 14 r (the) s 13 r (Researc) s 0 r 104 c 13 r (In) s -1 r (ternet) s 13 r (for) s 14 r (purp) s 1 r (oses) s 14 r (of) s 14 r (researc) s -1 r 104 c 0 959 p (or) s 19 r (supp) s 1 r (ort) s 20 r (activities.) s 32 r (These) s 19 r (priv) s -1 r (ate) s 18 r (companies) s 19 r (connect) s 19 r (in) s 20 r (the) s 19 r (same) s 19 r (manner) s 19 r (as) s 20 r (campuses,) s 20 r (via) s 19 r 97 c 0 1015 p (regional) s 15 r (net) s 0 r 119 c -1 r (ork) s 14 r (or) s 15 r (via) s 15 r (lateral) s 15 r (links) s 15 r (to) s 15 r (other) s 15 r (campuses.) s 20 r (Ho) s 0 r 119 c -2 r (ev) s -1 r (er,) s 14 r (man) s 0 r 121 c 14 r (companies) s 15 r (ha) s 0 r 118 c -1 r 101 c 14 r (their) s 15 r 111 c -1 r (wn) s 0 1072 p (priv) s -2 r (ate) s 12 r (wide) s 13 r (area) s 12 r (net) s 0 r 119 c -1 r (orks) s 11 r (whic) s 0 r 104 c 12 r (ph) s 0 r (ysically) s 11 r 111 c 0 r 118 c -1 r (erlap) s 11 r (with) s 13 r (bac) s 0 r (kb) s 0 r (one) s 13 r (and/or) s 12 r (regional) s 13 r (net) s 0 r 119 c -2 r (orks) s 12 r (in) s 13 r (the) s 0 1128 p (researc) s 0 r 104 c 14 r (in) s 0 r (ternet,) s 14 r (i.e.,) s 15 r (priv) s -2 r (ate) s 15 r 118 c -1 r (ertical) s 14 r 98 c 0 r (ypass) s 14 r (links.) s 71 1224 p (Implicit) s 16 r (in) s 16 r (this) s 16 r (complex) s 16 r (top) s 1 r (ology) s 17 r (are) s 16 r (organizational) s 16 r 98 c 1 r (oundaries.) s 23 r (These) s 17 r 98 c 1 r (oundaries) s 16 r (de\014ne) s 16 r (Ad-) s 0 1280 p (ministrativ) s 0 r 101 c 16 r (Domains) s 18 r (\(ADs\)) s 17 r (whic) s 0 r 104 c 16 r (preclude) s 18 r (the) s 18 r (imp) s 1 r (osition) s 17 r (of) s 18 r 97 c 17 r (single,) s 18 r (cen) s 0 r (tralized) s 17 r (set) s 17 r (of) s 18 r 112 c 1 r (olicies) s 0 1337 p (on) s 15 r (all) s 15 r (resources.) s 21 r (The) s 15 r (sub) s 3 r (ject) s 15 r (of) s 15 r (this) s 15 r (pap) s 1 r (er) s 16 r (is) s 15 r (the) s 15 r 112 c 1 r (olicy) s 16 r (requiremen) s -1 r (ts) s 15 r (for) s 15 r (resource) s 15 r (usage) s 15 r (con) s 0 r (trol) s 14 r (in) s 0 1393 p (the) s 15 r (Researc) s 0 r 104 c 14 r (In) s 0 r (ternet.) s 71 1489 p (In) s 16 r (the) s 16 r (remainder) s 16 r (of) s 16 r (this) s 15 r (section) s 16 r 119 c 0 r 101 c 15 r (describ) s 1 r 101 c 16 r (the) s 16 r 112 c 2 r (olicy) s 16 r (routing) s 16 r (problem) s 16 r (in) s 16 r 118 c -1 r (ery) s 15 r (general) s 16 r (terms.) s 0 1545 p (Section) s 21 r 52 c 22 r (examines) s 21 r (the) s 21 r (constrain) s 0 r (ts) s 20 r (and) s 22 r (requiremen) s -1 r (ts) s 21 r (that) s 21 r (mak) s 0 r (es) s 20 r (the) s 22 r (problem) s 21 r 99 c 0 r (hallenging,) s 22 r (and) s 0 1602 p (leads) s 17 r (us) s 18 r (to) s 17 r (conclude) s 17 r (that) s 18 r 97 c 17 r (new) s 17 r (generation) s 18 r (of) s 17 r (routing) s 17 r (and) s 18 r (resource) s 17 r (con) s 0 r (trol) s 16 r (proto) s 1 r (cols) s 18 r (are) s 17 r (needed.) s 0 1658 p (Section) s 16 r 53 c 17 r (pro) s 0 r (vides) s 15 r (more) s 16 r (detail) s 17 r (on) s 16 r (our) s 17 r (assumptions) s 16 r (as) s 16 r (to) s 17 r (the) s 16 r (future) s 17 r (top) s 1 r (ology) s 16 r (and) s 17 r (con\014guration) s 16 r (of) s 0 1714 p (in) s 0 r (terconnected) s 15 r (ADs.) s 25 r 87 c -2 r 101 c 15 r (return) s 17 r (to) s 17 r (the) s 16 r (sub) s 3 r (ject) s 17 r (of) s 16 r 112 c 2 r (olicy) s 16 r (requiremen) s 0 r (ts) s 16 r (in) s 16 r (Section) s 17 r 54 c 17 r (and) s 17 r (categorize) s 0 1771 p (the) s 19 r (di\013eren) s 0 r 116 c 19 r 116 c -1 r (yp) s 1 r (es) s 19 r (of) s 19 r 112 c 2 r (olicies) s 19 r (that) s 20 r (ADs) s 19 r (in) s 19 r (the) s 20 r (researc) s 0 r 104 c 18 r (in) s 0 r (ternet) s 18 r (ma) s 0 r 121 c 18 r 119 c 0 r (an) s -1 r 116 c 18 r (to) s 20 r (enforce.) s 33 r (Included) s 0 1827 p (in) s 21 r (this) s 21 r (section) s 21 r (are) s 21 r (examples) s 21 r (of) s 21 r (FRICC) s cmr8.1500-13 @sf 797 1811 p 51 c cmr10.1643-34 @sf 838 1827 p 112 c 1 r (olicy) s 21 r (statemen) s 0 r (ts.) s 37 r (Section) s 21 r 55 c 21 r (iden) s 0 r (ti\014es) s 20 r 116 c -1 r (yp) s 1 r (es) s 21 r (of) s 21 r 112 c 1 r (olicy) s 0 1884 p (statemen) s 0 r (ts) s 20 r (that) s 22 r (are) s 21 r (problematic) s 21 r (to) s 22 r (enforce) s 21 r (due) s 22 r (to) s 21 r (their) s 21 r (dynamics,) s 23 r (gran) s 0 r (ularit) s -1 r 121 c -4 r 44 c 22 r (or) s 21 r 112 c 2 r (erformance) s 0 1940 p (implications.) s 28 r (Sev) s 0 r (eral) s 17 r (prop) s 1 r (osed) s 18 r (mec) s 0 r (hanisms) s 17 r (for) s 17 r (supp) s 2 r (orting) s 18 r (PR) s 17 r (\(including) s 18 r (RF) s 0 r (Cs) s 17 r (827,) s 18 r (1102,) s 19 r (1104,) s 0 1997 p (1105\)) s 23 r (are) s 22 r (discussed) s 23 r (brie\015y) s 22 r (in) s 23 r (Section) s 23 r (8.) s 42 r 70 c -3 r (uture) s 22 r (RF) s 0 r (Cs) s 21 r (will) s 23 r (elab) s 1 r (orate) s 23 r (on) s 22 r (the) s 23 r (arc) s 0 r (hitecture) s 21 r (and) s 0 2053 p (proto) s 1 r (cols) s 15 r (needed) s 16 r (to) s 15 r (supp) s 1 r (ort) s 15 r (the) s 15 r (requiremen) s 0 r (ts) s 14 r (presen) s 0 r (ted) s 14 r (here.) s 0 2093 p 780 2 ru cmr6.1500-4 @sf 52 2120 p 50 c cmr9.1500-18 @sf 69 2136 p (The) s 12 r (term) s 11 r (Researc) s 0 r 104 c 11 r (In) s 0 r (ternet) s 10 r (refers) s 12 r (to) s 12 r 97 c 11 r (collection) s 12 r (of) s 12 r (go) s -1 r 118 c -1 r (ernmen) s -1 r (t,) s 11 r (univ) s 0 r (ersit) s -1 r 121 c -3 r 44 c 11 r (and) s 11 r (some) s 12 r (priv) s -1 r (ate) s 10 r (compan) s 0 r 121 c -3 r 44 c 11 r (net) s 0 r 119 c -1 r (orks) s 0 2181 p (that) s 15 r (are) s 15 r (used) s 15 r 98 c 0 r 121 c 14 r (researc) s 0 r (hers) s 13 r (to) s 15 r (access) s 15 r (shared) s 15 r (computing) s 15 r (resources) s 15 r (\(e.g.,) s 15 r (sup) s 2 r (ercomputers\),) s 15 r (and) s 15 r (for) s 15 r (researc) s 0 r 104 c 14 r (related) s 0 2227 p (information) s 15 r (exc) s 0 r (hange) s 13 r (\(e.g.,) s 15 r (distribution) s 15 r (of) s 14 r (soft) s 0 r 119 c -1 r (are,) s 14 r (tec) s 0 r (hnical) s 14 r (do) s 1 r (cumen) s 0 r (ts,) s 14 r (and) s 14 r (email\).) s 23 r (The) s 14 r (net) s 0 r 119 c -1 r (orks) s 14 r (that) s 14 r (mak) s 0 r 101 c 14 r (up) s 0 2272 p (the) s 13 r (Researc) s 0 r 104 c 12 r (In) s -1 r (ternet) s 12 r (run) s 13 r (the) s 13 r (DOD) s 13 r (In) s 0 r (ternet) s 11 r (Proto) s 1 r (col[) s 0 r 49 c 0 r (].) s cmr6.1500-4 @sf 52 2302 p 51 c cmr9.1500-18 @sf 69 2318 p (The) s 15 r 70 c -2 r (ederal) s 14 r (Researc) s 0 r 104 c 13 r (In) s 0 r (ternet) s 14 r (Co) s 1 r (ordinating) s 15 r (Committee) s 15 r (\(FRICC\)) s 15 r (is) s 15 r (made) s 15 r (up) s 14 r (of) s 15 r (represen) s 0 r (tativ) s -1 r (es) s 14 r (of) s 15 r (eac) s 0 r 104 c 14 r (of) s 15 r (the) s 0 2364 p (ma) s 2 r (jor) s 10 r (agencies) s 9 r (that) s 10 r (are) s 9 r (in) s 0 r 118 c -1 r (olv) s -1 r (ed) s 8 r (in) s 10 r (net) s 0 r 119 c -1 r (orking.) s 15 r (They) s 9 r (ha) s 0 r 118 c -1 r 101 c 8 r 98 c 1 r (een) s 10 r 118 c 0 r (ery) s 8 r (e\013ectiv) s 0 r 101 c 9 r (in) s 9 r (co) s 1 r (ordinating) s 10 r (their) s 9 r (e\013orts) s 10 r (to) s 9 r (eliminate) s 0 2409 p (ine\016cien) s 0 r 116 c 9 r (redundancy) s 9 r (and) s 10 r (ha) s 0 r 118 c -1 r 101 c 8 r (prop) s 1 r (osed) s 10 r 97 c 10 r (plan) s 9 r (for) s 10 r (the) s 9 r (next) s 10 r (10) s 10 r 121 c 0 r (ears) s 8 r (of) s 10 r (in) s 0 r (ternet) s -1 r 119 c -1 r (orking) s 8 r (for) s 10 r (the) s 9 r (go) s 0 r 118 c -1 r (ernmen) s -1 r (t,) s 9 r (scien) s 0 r (ti\014c,) s 0 2455 p (and) s 13 r (education) s 13 r (comm) s 0 r (unit) s -2 r (y[) s 0 r 50 c 0 r (].) s cmr10.1643-34 @sf 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (2]) s @eop 1 @bop0 cmbx10.2160-55 @sf [<0001C000000003E000000003E000000007F000000007F00000000FF80000000FF80000000FF80000001FDC0000001FDC0000 003FDE0000003F8E0000007F8F0000007F070000007F07000000FE03800000FE03800001FC01C00001FC01C00003FC01E000 03F800E00007F800F00007F000700007F0007000FFFE03FF80FFFE03FF80FFFE03FF80> 40 27 -1 0 36.280] 118 @dc [ 48 41 -3 0 52.717] 68 @dc [ 64 41 -3 0 65.253] 77 @dc [ 32 39 -3 0 34.370] 50 @dc 1 @bop1 cmr10.1643-34 @sf 0 45 p (Net) s 0 r 119 c -2 r (ork) s 15 r 87 c -3 r (orking) s 14 r (Group) s 1273 r (D.) s 16 r (Estrin) s 0 102 p (Request) s 15 r (for) s 15 r (Commen) s 0 r (ts:) s 19 r (1125) s 615 r (U.S.C.) s 15 r (Computer) s 15 r (Science) s 15 r (Departmen) s 0 r 116 c 1644 158 p (No) s 0 r 118 c -1 r (em) s -2 r 98 c 1 r (er) s 15 r (1989) s cmbx10.2160-55 @sf 26 575 p 80 c -1 r (olicy) s 22 r (Requiremen) s -1 r (ts) s 22 r (for) s 23 r (In) s -1 r (ter) s 22 r (Administrativ) s -1 r 101 c 22 r (Domain) s 23 r (Routing) s 0 876 p 49 c 69 r (Status) s 23 r (of) s 23 r (this) s 22 r (Memo) s cmr10.1643-34 @sf 0 1016 p (The) s 13 r (purp) s 1 r (ose) s 13 r (of) s 13 r (this) s 13 r (memo) s 13 r (is) s 12 r (to) s 13 r (fo) s 2 r (cus) s 12 r (discussion) s 13 r (on) s 13 r (particular) s 13 r (problems) s 13 r (in) s 13 r (the) s 12 r (In) s 0 r (ternet) s 12 r (and) s 13 r 112 c 1 r (ossible) s 0 1073 p (metho) s 1 r (ds) s 19 r (of) s 19 r (solution.) s 32 r (No) s 19 r (prop) s 1 r (osed) s 19 r (solutions) s 19 r (in) s 19 r (this) s 19 r (do) s 1 r (cumen) s 0 r 116 c 18 r (are) s 19 r (in) s -1 r (tended) s 18 r (as) s 19 r (standards) s 19 r (for) s 19 r (the) s 0 1129 p (In) s 0 r (ternet.) s 25 r (Rather,) s 18 r (it) s 17 r (is) s 17 r (hop) s 1 r (ed) s 17 r (that) s 17 r 97 c 17 r (general) s 18 r (consensus) s 17 r (will) s 17 r (emerge) s 17 r (as) s 17 r (to) s 17 r (the) s 17 r (appropriate) s 18 r (solution) s 0 1186 p (to) s 16 r (suc) s 0 r 104 c 15 r (problems,) s 17 r (leading) s 16 r (ev) s 0 r (en) s -1 r (tually) s 15 r (to) s 16 r (the) s 16 r (dev) s 0 r (elopmen) s -1 r 116 c 15 r (and) s 16 r (adoption) s 17 r (of) s 16 r (standards.) s 23 r (Distribution) s 0 1242 p (of) s 15 r (this) s 15 r (memo) s 15 r (is) s 16 r (unlimited.) s cmbx10.2160-55 @sf 0 1424 p 50 c 69 r (Abstract) s cmr10.1643-34 @sf 0 1565 p (E\013orts) s 20 r (are) s 20 r (no) s 0 r 119 c 19 r (underw) s 0 r 97 c -2 r 121 c 19 r (to) s 20 r (dev) s 0 r (elop) s 19 r 97 c 20 r (new) s 20 r (generation) s 20 r (of) s 20 r (routing) s 20 r (proto) s 2 r (col) s 20 r (that) s 20 r (will) s 20 r (allo) s 0 r 119 c 19 r (eac) s -1 r 104 c 0 1622 p (Administrativ) s 0 r 101 c 15 r (Domain) s 16 r (\(AD\)) s 17 r (in) s 16 r (the) s 17 r (gro) s -1 r (wing) s 16 r (In) s -1 r (ternet) s 16 r (\(and) s 16 r (in) s 0 r (ternets) s 15 r (in) s 17 r (general\)) s 16 r (to) s 16 r (indep) s 2 r (enden) s -1 r (tly) s 0 1678 p (express) s 13 r (and) s 12 r (enforce) s 13 r 112 c 1 r (olicies) s 13 r (regarding) s 13 r (the) s 13 r (\015o) s -1 r 119 c 12 r (of) s 13 r (pac) s 0 r 107 c -2 r (ets) s 12 r (to,) s 13 r (from,) s 14 r (and) s 12 r (through) s 13 r (its) s 13 r (resources.) s cmr8.1500-13 @sf 1822 1661 p 49 c cmr10.1643-34 @sf 1861 1678 p (This) s 0 1734 p (do) s 1 r (cumen) s 0 r 116 c 13 r (articulates) s 14 r (the) s 15 r (requiremen) s -1 r (ts) s 14 r (for) s 14 r 112 c 1 r (olicy) s 14 r (based) s 14 r (routing) s 15 r (and) s 14 r (should) s 14 r 98 c 1 r 101 c 14 r (used) s 15 r (as) s 14 r (input) s 14 r (to) s 14 r (the) s 0 1791 p (functional) s 15 r (sp) s 1 r (eci\014cation) s 16 r (and) s 15 r (ev) s -2 r (aluation) s 14 r (of) s 15 r (prop) s 2 r (osed) s 15 r (proto) s 1 r (cols.) s 71 1886 p (Tw) s -1 r 111 c 19 r (critical) s 20 r (assumptions) s 20 r (will) s 19 r (shap) s 2 r 101 c 19 r (the) s 20 r 116 c 0 r (yp) s 0 r 101 c 20 r (of) s 20 r (routing) s 20 r (mec) s -1 r (hanism) s 19 r (that) s 20 r (is) s 20 r (devised:) s 29 r (\(1\)) s 20 r (the) s 0 1943 p (top) s 1 r (ological) s 11 r (organization) s 12 r (of) s 11 r (ADs,) s 12 r (and) s 11 r (\(2\)) s 11 r (the) s 11 r 116 c 0 r (yp) s 0 r 101 c 11 r (and) s 11 r 118 c -1 r (ariabilit) s -2 r 121 c 11 r (of) s 11 r 112 c 1 r (olicies) s 11 r (expressed) s 11 r 98 c 0 r 121 c 10 r (ADs.) s 19 r (After) s 0 1999 p (justifying) s 16 r (our) s 17 r (assumptions) s 16 r (regarding) s 16 r (AD) s 16 r (top) s 2 r (ology) s 16 r 119 c 0 r 101 c 15 r (presen) s 0 r 116 c 15 r 97 c 16 r (taxonom) s 0 r 121 c -4 r 44 c 16 r (and) s 16 r (sp) s 1 r (eci\014c) s 17 r (examples,) s 0 2056 p (of) s 21 r 112 c 2 r (olicies) s 21 r (that) s 22 r 109 c -1 r (ust) s 21 r 98 c 1 r 101 c 22 r (supp) s 1 r (orted) s 21 r 98 c 0 r 121 c 20 r 97 c 22 r (PR) s 21 r (proto) s 2 r (col.) s 39 r 87 c -3 r 101 c 20 r (conclude) s 22 r (with) s 21 r 97 c 22 r (brief) s 21 r (discussion) s 22 r (of) s 0 2112 p 112 c 1 r (olicy) s 16 r (routing) s 16 r (mec) s 0 r (hanisms) s 15 r (prop) s 1 r (osed) s 16 r (in) s 16 r (previous) s 16 r (RF) s -1 r (Cs) s 15 r (\(827,) s 16 r (1102,) s 16 r (1104,) s 17 r (1105\).) s 22 r 70 c -3 r (uture) s 15 r (RF) s 0 r (Cs) s 15 r (will) s 0 2169 p (elab) s 1 r (orate) s 15 r (on) s 16 r (the) s 15 r (arc) s -1 r (hitecture) s 15 r (and) s 15 r (proto) s 1 r (cols) s 15 r (needed) s 15 r (to) s 15 r (supp) s 2 r (ort) s 15 r (the) s 15 r (requiremen) s 0 r (ts) s 14 r (presen) s 0 r (ted) s 14 r (here.) s 0 2208 p 780 2 ru cmr6.1500-4 @sf 52 2235 p 49 c cmr9.1500-18 @sf 69 2251 p (The) s 19 r (material) s 18 r (presen) s 0 r (ted) s 18 r (here) s 18 r (incorp) s 1 r (orates) s 19 r (discussions) s 18 r (held) s 19 r (with) s 18 r (mem) s 0 r 98 c 0 r (ers) s 19 r (of) s 18 r (the) s 19 r (IAB) s 18 r (Autonomous) s 19 r (Net) s -1 r 119 c -1 r (orks) s 0 2297 p (Researc) s 0 r 104 c 12 r (Group) s 13 r (and) s 12 r (the) s 13 r (Op) s 1 r (en) s 13 r (Routing) s 13 r 87 c -2 r (orking) s 11 r (Group.) s cmr10.1643-34 @sf 0 2678 p (Estrin) s 1669 r ([P) s 0 r (age) s 14 r (1]) s @eop @end