Re: [tsvwg] UDP Options: on forcing the use of UDP CS=0 in connection with FRAG+LITE

Joe Touch <touch@strayalpha.com> Tue, 02 July 2019 00:40 UTC

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From: Joe Touch <touch@strayalpha.com>
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Date: Mon, 01 Jul 2019 17:40:27 -0700
Cc: "C. M. Heard" <heard@pobox.com>, TSVWG <tsvwg@ietf.org>
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To: Tom Herbert <tom@herbertland.com>
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Subject: Re: [tsvwg] UDP Options: on forcing the use of UDP CS=0 in connection with FRAG+LITE
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On Jul 1, 2019, at 5:35 PM, Tom Herbert <tom@herbertland.com> wrote:

>> So why would not including these fields matter?
> 
> Because it matters to UDPv6.

In a world with NATs that recalc CSs, it doesn’t.  It just checks that the NAT sw implemented the update. 

Joe