RE: IPv6 day and tunnels

-----Original Message----- From: Masataka Ohta [mailto:mohta@necom830.hpcl.titech.ac.jp] Sent: Tuesday, June 12, 2012 2:12 PM To: Templin, Fred L Cc: Owen DeLong; nanog@nanog.org Subject: Re: IPv6 day and tunnels

Templin, Fred L wrote:

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As I already said, 9KB is fine for me.

Then you will agree that accommodation of MTU diversity is a MUST (my point).

Not necessarily, as IPv4 can take care of itself and IPv6 is hopeless.

IPv4 can take care of it how - with broken PMTUD or with broken fragmentation/reassembly? And, you won't get any argument from me that IPv6 has been stuck for years for good reasons - but MTU failures can soon be taken off the list. Fred fred.l.templin@boeing.com