Joe Touch wrote:
draft-generic-v6ops-tunmtu-03.txt
to fragment IPv6 packets by intermediate routers should be
very interesting to you.
It is aware of our IPv4-ID doc, and consistent with it.
What?
When the DF is "ignored", the ID field is rewritten - i.e.,
If the ID field could be rewritten by intermediate entities,
it is fine for intermediate routers to clear DF.
The
rewriting is hidden - happens only inside the tunnel, is
controlled uniquely by the source, and does not need coordination
by other sources.
The tunnels are often controlled uniquely only by the destinations.
Masataka Ohta