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Re: [tsvwg] draft-ietf-udp-options issues from IETF 104

Joe Touch <touch@strayalpha.com> Tue, 16 July 2019 16:12 UTC

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Date: Tue, 16 Jul 2019 09:11:54 -0700
From: Joe Touch <touch@strayalpha.com>
To: Tom Herbert <tom@herbertland.com>
Cc: tsvwg <tsvwg@ietf.org>
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Subject: Re: [tsvwg] draft-ietf-udp-options issues from IETF 104
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On 2019-07-16 07:54, Tom Herbert wrote:

> On Tue, Jul 16, 2019 at 7:26 AM Joe Touch <touch@strayalpha.com> wrote: 
> 
> On Jul 16, 2019, at 7:12 AM, Tom Herbert <tom@herbertland.com> wrote:
> 
> Protocol headers are protocol
> bytes in a packet that precede the payload data ... 
> Everything in the surplus area comes after the UDP payload.
 You can call it user data if you want which is the terminology used in
the UDP options draft. Protocol headers preceded user data, trailers
follow it. 

The option refers to user data as the UDP payload that precedes the
surplus area (except in one or two cases where additional adjectives are
used). In that draft, the surplus area always begins after the user
data, so it is always considered a trailer. 

Joe

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