Offering a Multicast Delivery Service in a Programmable Secure IP VPN Environment Lina ALCHAAL
Vincent ROCA
Michel HABERT
Netcelo S.A., Echirolles INRIA Rhone-Alpes, Planete ˆ ` project, France
[email protected]
INRIA Rhone-Alpes, Planete ˆ ` project, France
[email protected]
Netcelo S.A., Echirolles France
[email protected]
ABSTRACT
!"#" "$%%"$%&' %( *)+&,-. /0 132+" *%456 " &3 & 3"1 738 3' ),&% 313, "69:%";0 ?$ 6 1@ %A3 ' ,% *, ( v33 -, %e " 33&$3%-{333# 31 3+ "v /L$1 #133"69g,&"]D1EGF"], X 3 3 &%3' " 1v 31 3' 333"$"s"$-+"$ 3"` /!3" -%, "$/!%3" 9z3 @3& $, -( 3@ >^M! &3% \ +3"Q4^QD1EGF" w%xyE+ ' 'E33& Y-}~NSE"$3,{ /Th B-37et&3% .E ' Md~^hLEs 9 NSE"$30 " 1 /I ,> 3"4gJ3 % = /I 33/ $-+ 6 %"$3 I+33"! /* >IM3"f e}>} !&%/( f M&@MX&+ B@" 3 I,3O@ 4K f4^&%-=" 33& XN3EAD1EGF~D &0 EG I LFK3Y zd3,I+' 13,6Z6 3f 0 7 13+ 6 -,9ONY`%"` 3 34^ OM' 3,I3+ 0 s Q 0 h/30 "h4^ 8BK !+ %3/ &L%V *b@>f
N[ + @ &V4^L" 6 3,9!P* 3%3Iv 0 s&f {33 "@ +-33/" Z {0 3&Y 4^ h/3%6-+13,d4" 3 I,%33"3113 3Y 3+I,%$13+ " 3),&% =%3I3z40" 33& Y-,9
P* " "$&11 0 Q XD1EGFR" 3 I,%3{ 6I+/3Q~^OD1EGF?Es" 3" " L4 LD{EF/3>-,13+{ /@ ] 31,KI,%/3 0 33 "v O3 &6 Br /=%3%4^M @ T / 0 K 3MB3-=3 & 3"K X3/ X/3I+3 4I,/3L, \, " ' %-Q6 O%;] ` O &;" 33&$%Y-e@ 0 313+ " 33 " B] ttM%-f3&/` & 3,B, %= /= 333" "03, +& %"$Q X3 -, 6 X3-; 0 313,>Z'
30 3/[%4^6 " &3 &$+X TJ"6z#v/%"$3&" " 1" 33 %7s %16 %"s4 6 /B0 L& %, "$d$& %
,3%"L. " 33& !N3E(D1EGF83+I, 13+69QNYV" 33 %. `/36 %z& "6 Z+ `NDLa`bE$B,39tN=" 33 %= = I=" 1=" ,M(% "{%133,6 %]9\]%0 %-V# + ,/&3` 3Y 3/=$+"X /=`33&/,9 2.
LIMITATIONS OF TRADITIONAL MULTICAST ROUTING PROTOCOLS IN SECURE IP VPN ENVIRONMENTS
P*O "$v /@ !/3>-VEGN3b1'b ~B60 " =b,/,vw yZt 313%3,{L& %, "${ & A ,345{" ] " ; &"6Zs% NSE.D1EGF3,I+ 13,>9
P*@&" 3/[¡ ( /@B 3/@ !/3>-=% `D{EF§3/ O/3I+33"6ZuY9 ,9dB`"$ "$& 1NSE"$3`= 3&"$B13]3Y z9gP*3I30"$&3333/3/L450"$3I36 , , " "6 ¨ >33& Y- " "$+3 %"Q~ 0 313+`13' " ©4L *$3+ªPc Rw¥yfN3EG" 3*1%313,> B "3& 3, %-V%-V/33/r4^MX&%, "$; // 3" " 3"@wxy9 "L%"; 3«"$%3* X&% , " L0 3>Zt31%
3 345 7 , B{s4^ EGN3b1'b~^4^3' 3{3MX&+ BT31333-r 0 T] BI;X&% ' , "$L & % e ,-7"$%& %\0 " 3/\V 6 1!/&%, ' s 3/ M"s'" & %"$% -X3" "s313, 0 d" & %MO] " 3/LLB /&%, %LO 3 3 ' ( "`0 %I1L& %, "$f &B = ,3%"`/G9Oh " L 3 e, @, %Y-; 3@#%"K"{ `/%$3K3"$3)+&33X4 `%6331L&, %=3133-,9 hX" , Y %%-= 3H+ @= // 3"$" 3/@,-= >I," %M' r" 17" 3"V~^3B3V ;" &" 3e4O 7 333I+ r"$% 3"e &" 3/; /'0 Y-Q"$% 3"6v "vD1E´]F§,/3"6ZuY9 ,9d+/3" 0 , e3 4^ 8 6 1f4^ O /% 9tf eD{E´]F}+/f3 " {{D1EGF"4^BO" LL& %, "$v &]ZuL%3%&/%
v" 3/% O"$% /7 sv%3&/ Ovs1 v 3' 33%I, !" B3" 9 36 +-=4d%, 3 333 3/@D1EGF"%" ,&" 3 , 3/Q45#, QL&% %, " # &0ZM+ /% X ; v/%"$ %& % 4 3Y ,% /; 1 KB"$]4D1Es´]F(,/3"69zh " , %Y-14g " & %!"3 , " 3/!%33 = h3' 6 %33/\~ &/= `DF1`t 0 313,>9 4.
IMPLEMENTATION ASPECTS
P*@] BI%313+ 3/c NYDXa`bE[$B,31 /c%, 3'
6 3/1%% `Eªt%,&2L3/ /3I,%3X~ >3 & X 9gP*&"
!,/3/(I3 "$%(4KB= 3,ªPc TN3EG" 3=%1313+6 ' Bw%¥yZ6 1¢Mìí>î £+¡u¤h%1313+6 14 % LX&B, " K30 3/D1EF%"$>Z"K0 " 3/ EC~ >%17g^33 %, %M
EG +3#3A"$3 I+3 B3 -h%*J$"` >^Q /I ,6 3"`* 3 1"`4#%' B3 36 %%Y-Q" &"K7+ 3/ X/3I,%3,L L&B, " 0 3s31% O4^ M * 3 %I" & 3v!Bv+, " % e%" " X+ 3 33 3/r+-A A|hEC0 M3L% 3;wðy# &' % e 3/ X/3I+3; /"$3+fBe XNDLaOb@EV/0 3109 NYDLaOb@EA%,,"4^1 fD1EGF3+ -= 0 @ 3" L/3"$B0 ' B{L&% , " f // 3"$"s O/33%/vh3 3ss v] 3 " &/AI,%/36Á "K3 zZ{ b@EGh>'30 3/=%456 " &3 & ,9 ]%] %-,Z&! *" 0 3"`" 1"$%1Y %3"`% 7 03+ 6 %33/b&% , " A~Bb@Q G w%xxy9.NYb@Zd /0 6 4^ O / /=3, g45&3 %"X `3" 3] 6 3/0Z /7 3+ d0 K"f33,B %33/7%7/" 3K3, ]33' 13+ " 9Qh!3, s333, "= * 6 3/V%. Y#'3I3 36 ,-eh %( & 1&"" -," 3"1 /r $O&" 3/; {"$3 &L& %, "$] 33"69zNYXM&v +Z6 #3, u0 ]" 33,B %33/!Q DF1`9h >^#/Jº»d¼MÞûSZ 0 3"XïüïïMZ  09z9 w%yfK9´]" 3\ /e®{9g´]3+, 369gýOþsÿ =ÿ ]ÿsúv¾Zgb 69 xððð9+N}´]3)+&3"$h45L013, "6Zz´]#.ÖG9 w%y!|#9+ÞÚÝSº`þsÞ¼MÛS à =ØMÚØ >ÝS×XÝSÚºÿÞ¼Mº¼Sæ¼M Ù þ ;ÿÿÞ¼ (*) å^Ú + Z F>Iz9gGx9+P* !\EG 3" " Z /6 4^ '3 4^'@ M@ ' ' >2,-+'9 2+# "f9 w%¥yf 3,ªPc = ,9 %×XÝSÚºØ+ºå^¼MÚ¼ßø &ÿ 1 ù 0\ØMÚâQø 2fùAß ¼MÞ zå5Ú3Û (S9,+ 0ªªhX9 2," Y9 ª4^ 33" ` ]ª9 w%y!|#9ga#%33" ]Z 9,z0Z  9+30 30Zza`9 16 ,Zg / 9gb %"69 45%»d¼MÞûß ¼MÞ`øBÿ
Ü$Ø+¾$Ý â ]å^ÞºÛ,ØMÙzÿÞ6å SØ+ºÝ
úÝSº»¼MÞûS¾$Z,309z9+N}´]3)+&3"$h4^ML0113+ "6Z ´]h.¥9 wïyKF19,1 %)+I," X / 9+¯`3 L-, %" 9+NY1313+
+ 3 3-!32,] ,Z+,9+N8 7d¾$Ý>Ú6å (94hÚÚÛ,ØMÙ :ÝæS½MÚå^æØM Ù 0t¼MÚ6ß ÝSÞÝ>ÚæÝSZ  &!M9 wðyKD19  3"$\ /\9gb1,h ,9 " /=] 3% 36 3: 33 & f45&" 3 '%3I3z0 3h, & ,9,NY 7d¾$Ý>Ú;å (.@å^ÚºÝ>< Þ 0z¼+Ú>ß$ÝSÞÝSÚæÝ =ØM Ú >å^?Ý S¼ @0tØMÙäå ß ¼MÞÚå^ØMZ 0 M3"XÖðü¥ðZ  09gxððM9 wxy{9,¯f3,X /\´v9 ,%" 09 ÝæSÛuÞå5º )A4hÞæS½+å^ºÝæSºÛ,ÞÝvß ¼MÞ º½MÝXø ÚºÝSÞÚÝSºÿÞ¼Mº¼Sæ¼MÙ Z,F>Iz9gxððMï9+NYsh}´]3),&3" 4^ 013, "6Zz´0h.xM9 wxxy{9,¯f3"$0 BIA /\9gEd &9gt3, 6 %33/=L& , " 69+NC Bº½ ø ÚEº D@0t¼MÚ6ß ÝSÞÝ>Úæ$ÝX¼+Ú@úÝSº»d¼MÞûXÿÞ¼Mº¼Sæ¼MÙäA ¾ *ø 0túv$ ÿ F GG :¼MÞ¼MÚº¼ @0tØMÚØ+âMØMZgs369zxððð9 wxy{²f9+¯`" &69gý#Û,å5Ù âMå^Ú XØMÚ< â ;ØMÚHØ Så^Ú ]å5ÞºÛuØMÙgÿsÞ;å SØMºÝ úÝSº»¼MÞûS¾$9  =Pc%3 - I>"vNY,9Z+N3|tF 'x'ðÖ¥'ZgxðMðï9 wxy{²f9g"X /  9g²f9g0%3 3)z9 JSÝSÞ Så5ÝS»¼@ ß ;Û,Ùäºå5æ$ØM¾ºså5Ú dÿúv¾Z+I3 I,'9 2,# "K9 wxy 9z´0,/ &3,Z  9ga` 3YZ  9,¯! 6 " Zg /\´v9gEå5¾$ºØMÚæ$Ý Ý$æSº¼Me Þ =ÛuÙ ºå^æØM¾$º ¼MÛuºå5dÚ ÿÞ¼Mº¼Sæ¼MÙ Z,F>Iz9gxðïMï9g´]# xÖMZg|#|zF>XZg>6 4^ /=¬%I3 "$%-+9