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Date: Tue, 01 Feb 2000 02:35:25 +0900
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Subject: [IPv6-jp 539] Re: source address selection via gif
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	$B5v$G$9!#(B

	Multi-home$B$NOC$r>/$7=q$$$F$*$-$^$9!#$A$g$C$HD9$$$G$9$,$+$s$Y$s$r!#(B
	$BHs>o$K4pK\E*$J;v$@$H;W$&$N$G!":#$5$i$+$b$7$l$^$;$s!#(B

----------
	$B2>Dj(B:
		Source Site $B$r(B Site-A ($B0J2<(BA)
		Source Host $B$r(B Host-a ($B0J2<(Ba)
		Destination Site $B$r(B Site-B ($B0J2<(BB)
		Destination Host $B$r(B Host-b ($B0J2<(Bb)
		$BCf7Q$7$F$/$l$k(BISP$B$r(B ISP-Z/ISP-Y/ISP-X($B0J2<(B Z,Y,X)
	$B$H$7!"(BTopology$B$r(B
			   +---Z---Y---+
			a--A           B--b
			   +-----X-----+
	$B$H$7$^$9!#$=$7$F!"(B
		A$B$O(BZ$B$H(BX$B$+$i%"%I%l%93dEv$r<u$1$F$$$k(B
		($B$3$l$r(B Addr-Z/Addr-X$B$H$9$k(B)
		B$B$O(BY$B$H(BX$B$+$i%"%I%l%93dEv$r<u$1$F$$$k(B
		($B$3$l$r(B Addr-Y/Addr-X$B$H$9$k(B)
	$B$b$N$H$7$^$7$g$&!#$=$N>e$G(B
		a$B$K$O(B Addr-Z::a, Addr-X::a
		b$B$K$O(B Addr-Y::b, Addr-X::b
	$B$H$$$&%"%I%l%9$,IU$$$F$$$k$b$N$H$7$^$9!#(B

	$B$3$3$G!"OC$rC1=c2=$9$k$?$a$K!"7PO)@)8f>eFCJL$J;v$O$7$J$$!J(Bmetric$B$N(B
	$BJQ99$H$+(Bpreference$B$N$D$1JQ$($J$I$O$7$J$$!K$HDj5A$7$F$*$-$^$9!#$^$?!"(B
		A$B$O(BZ$B$KBP$7$F!"(BAddr-Z::/??
		A$B$O(BX$B$KBP$7$F!"(BAddr-X::/??
		B$B$O(BY$B$KBP$7$F!"(BAddr-Y::/??
		B$B$O(BX$B$KBP$7$F!"(BAddr-X::/??
	$B$N$_$r%"%J%&%s%9$9$k$H$7$^$9!#$D$^$j!"(B
		A$B$O(BZ$B$KBP$7$F!"(BAddr-X::/??
		A$B$O(BX$B$KBP$7$F!"(BAddr-Z::/??
		B$B$O(BY$B$KBP$7$F!"(BAddr-X::/??
		B$B$O(BX$B$KBP$7$F!"(BAddr-Y::/??
	$B$r%"%J%&%s%9$7$J$$$H$7$^$9!#(B(Aggregatable global unicast address$B%b(B
	$B%G%k$G$"$l$P$3$N2>Dj$KBg$-$JLdBj$OL5$$$H;W$$$^$9(B)
-----
	Connection$B$^$G$NN.$l$O(B
	1) a $B$O(B b $B$N%"%I%l%9$r0z$/(B
	2) 1)$B$NJVEz$K$h$j(B Addr-Y::b, Addr-X::b$B$rF~<j$9$k(B
	3) $B2?$i$+$N5!9=!JJV$C$F$-$?=gHV$J$I!K$K$h$j(BDest Addr$B$rA*Br$9$k(B
	4) $BA*Br$5$l$?(B Dest Addr$B$r85$K(BSrc addr selection$B$r9T$J$&(B
	5) 4)$B$N7k2L!"(BAddr-Z::a $B$+(B Addr-X::a $B$,A*Br$5$l$k(B
	6) PATH-MTU Discovery$B$r9T$J$$!"DL?.$G$-$k$+!"$=$N:]$N(BMinimum MTU$B$O(B
	   $B$$$/$D$+$r<hF@$9$k(B
	7) $B$b$7DL?.$G$-$J$1$l$P!"(B3)$B$KLa$j!"DL?.$G$-$k(Bpair$B$,8+$D$+$k$+!"$9(B
	   $B$Y$F$N(Bpair$B$r;n$9!#(B
	8) $B@\B3$9$k(B

	$B$H$J$k$H;W$$$^$9!#(B
	$B2>Dj>r7o$r9MN8$9$k$H!"(Ba$B$K$H$C$F$O!"(B

	1) a$B$,(BDest Addr$B$K(BAddr-Y::b$B$rA*$s$@>l9g(B
	   Z$B$K%Q%1%C%H$rEj$2$k(B
	2) a$B$,(BDest Addr$B$K(BAddr-X::b$B$rA*$s$@>l9g(B
	   X$B$K%Q%1%C%H$rEj$2$k(B

	$B$H$J$j$^$9!#F1$8$h$&$K(Bb$B$O!"(B

	1) a$B$,(BSrc Addr$B$K(BAddr-Z::a$B$rA*$s$@>l9g(B
	   Y$B$K%Q%1%C%H$rEj$2$k(B
	2) a$B$,(BSrc Addr$B$K(BAddr-X::a$B$rA*$s$@>l9g(B
	   X$B$K%Q%1%C%H$rEj$2$k(B

	$B$H$&$4$/$O$:$G$9!#8=<B$K$O!"7PO)8r49$K$O(Bpolicy$B$,Mm$`$N$G!"C1=c2=$7(B
	$B$9$.$+$bCN$l$^$;$s$,!"4pK\E*$K$O$3$&$J$k$O$:$G$9!#(B
-----
	$B$H$$$&$o$1$G!"Cf4V!J$D$^$j<+%5%$%H$N30B&!K$O$H$b$+$/!"(Bsrc addr$B$,A*(B
	$BBr$5$l$?;~E@$G!"La$C$F$/$k(B Link $B$O;v<B>e7hDj$5$l$k$H;W$$$^$9!#$I$&(B
	$B$G$7$g$&$+!)(B

	$B8@$$BX$($k$H!"9T$-JV$j$N7PO)$,40A4$K0lCW$9$k$+$OH=$j$^$;$s$,!"(BIPv6
	$B$K$*$$$FJ#?t$N%"%I%l%9$r(BEnd-node$B$K3d$jEv$F$?>l9g!"(Bsrc addr
	selection $B$K$h$C$FLa$j$N(BLink$B$O!J7PO)%"%J%&%s%9$N$d$jJ}$K$h$j$^$9$,!"(B
	aggregatable global unicast address$BBN7O$rMxMQ$9$k8B$j!K0l0U$b$7$/(B
	$B$O!">/?t$N(BLink$B$KDj$^$k$H;W$$$^$9!#!J0l0U$KDj$^$i$J$$>l9g$H$O!"F10l(B
	$B%M%C%H%o!<%/$KJ#?t$N(BLink$B$r;}$C$F$$$?$j!"(BIX$B$G(Bsite$BFb$N$9$Y$F$N7PO)$r(B
	$B8r49$7$F$$$k>l9g$N$_!K(B

$B$[(B
