Hi Ron, > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > Ronald Bonica > Sent: Wednesday, July 10, 2013 12:22 PM > To: james woodyatt; [email protected] > Subject: RE: Meta-issues: On the deprecation of the fragmentation > function > > Hi James, > > If ICMPv6 PTB messages are unreliable, fragmentation breaks just as > badly as PMTUD.
I'm trying to understand that, but maybe you are talking about IP fragmentation? SEAL fragmentation is a different thing, and can be used in place of IP fragmentation. Thanks - Fred [email protected] > At the risk of going off-topic, please take a look at draft-bonica- > intarea-gre-mtu-02. > > Ron > > > > -----Original Message----- > > From: [email protected] [mailto:[email protected]] On Behalf > Of > > james woodyatt > > Sent: Wednesday, July 10, 2013 2:23 PM > > To: [email protected] > > Subject: Re: Meta-issues: On the deprecation of the fragmentation > > function > > > > On Jul 10, 2013, at 08:49 , Ronald Bonica <[email protected]> > wrote: > > > [...] > > > Probably, the best alternative is for the tunnel ingress router to > > tunnel ingress router to discover the PMTU to the egress. When the > > tunnel ingress router receives a packet that is so large that it > cannot > > be forwarded through the tunnel, it discards the packet and sends an > > ICMP PTB to the packet's originator. The packet's originator then > > modifies its sending behavior based upon its new estimate of the PMTU > > associated with the destination. > > > [...] > > > > ICMPv6 packet too big errors are unreliable on the real-world > Internet. > > > > I hate to sound like a broken record, but I will: I look forward to > > reviewing a proposal to update to Generic Packet Tunneling in IPv6 > [RFC > > 2473] for implementing tunnel path MTU discovery at the encapsulation > > layer [c.f. RFC 4821]. > > > > > > -- > > james woodyatt <[email protected]> > > core os networking > > > > -------------------------------------------------------------------- > > IETF IPv6 working group mailing list > > [email protected] > > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > > -------------------------------------------------------------------- > > > > > > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > [email protected] > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
