This document calls attention to the problem of delivering ICMPv6
type 2 "Packet Too Big" (PTB) messages to the intended destination
in ECMP load balanced or anycast network architectures. It
discusses operational mitigations that can be employed to address
this class of failures.
Working Group Summary
The draft has been accepted with enthusiasm.
This is not a protocol. The operational mitigations proposed have
been implemented in various places, but are not uniformly
The Document Shepherd is Fred Baker. The Responsible
Area Director is Benoit Claise.