Re: TSVART review of draft-ietf-6man-deprecate-atomfrag-generation

Joe Touch <touch@isi.edu> Mon, 29 August 2016 22:57 UTC

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Subject: Re: TSVART review of draft-ietf-6man-deprecate-atomfrag-generation
To: Fernando Gont <fgont@si6networks.com>, 6man <ipv6@ietf.org>
References: <786d5c2c-a88d-7539-9604-6df0b8ed68dd@isi.edu> <0f339ba8-cf63-e961-b19f-895c39585fb7@si6networks.com> <585f4689-d19e-dd54-e75b-4eb3644274ed@isi.edu> <a40199a0-b625-3887-aec6-7e3adfbe504a@si6networks.com> <6755d8bb-3b95-c107-cd72-b799cb2b32f1@isi.edu> <d4615e72-0d19-256c-1830-b2c80dc53d2d@si6networks.com>
From: Joe Touch <touch@isi.edu>
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Date: Mon, 29 Aug 2016 15:56:22 -0700
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On 8/29/2016 3:51 PM, Fernando Gont wrote:
> Where in the texxt do we say "you shouldn't use fragmentation in general"?

It's the implication that follows from justifying this change based on
whether frag EHs are dropped.

IMO, that's simply irrelevant. The broader problem is using
IPv6-generated IDs, which are not generated to be compliant in their
bottom 16 bits with IPv4.

That alone is more than sufficient rationale for not using this mechanism.

Joe