Re: [tsvwg] UDP options and header-data split (zero copy)

Joe Touch <touch@strayalpha.com> Mon, 02 August 2021 22:54 UTC

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From: Joe Touch <touch@strayalpha.com>
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Date: Mon, 02 Aug 2021 15:54:27 -0700
Cc: Sebastian Moeller <moeller0@gmx.de>, Tom Herbert <tom@herbertland.com>, TSVWG <tsvwg@ietf.org>
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To: "C. M. Heard" <heard@pobox.com>
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Subject: Re: [tsvwg] UDP options and header-data split (zero copy)
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> On Aug 2, 2021, at 3:13 PM, C. M. Heard <heard@pobox.com> wrote:
> 
> 
>> On Mon, Aug 2, 2021 at 12:31 PM Joe Touch wrote:
> 
>> At a minimum, because there are options that could be used in either place, eg. OCS, AUTH, and ENCR at least.
> 
> The per-fragment OCS icovers both the fragment data and the options. Is there really a justification for a per-datagram version? I think not ... though of course opinions vary ...

It would be a reassembly check, if that were desired. 

Joe