> -----Original Message----- > From: Havard Eidnes [mailto:[email protected]] > Sent: Friday, January 06, 2012 12:28 AM > To: Templin, Fred L > Cc: [email protected]; [email protected]; [email protected] > Subject: Re: Fragmentation-related security issues > > >> The problem with RFC4821 (assumming the ICMP-free variant) is > >> that it has a longer convergnece time that ICMP-enabled PMTU. > > > > RFC4821 works even if there are no ICMPs, but will > > converge more quickly if there are ICMPs. That is why > > RFC4821 should be a SHOULD for hosts, and generation > > of ICMPs should be a MUST for routers. > > Does not this also imply that ICMP-generating routers MUST use a > globally unique IPv6 address as the source of the ICMP?
AFAICT, the normative reference is RFC4443, as cited in RFC6434. Thanks - Fred [email protected] > Regards, > > - Håvard > -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
