Re: [tcpm] Exceeding value in MSS option?

Martin Duke <martin.h.duke@gmail.com> Wed, 21 October 2020 16:42 UTC

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From: Martin Duke <martin.h.duke@gmail.com>
Date: Wed, 21 Oct 2020 09:41:58 -0700
Message-ID: <CAM4esxTfWwOzgVQgPnzLBB1vzAYux9EkGghNOAk8JPv1tcM5Ww@mail.gmail.com>
To: Joseph Touch <touch@strayalpha.com>
Cc: Michael Tuexen <michael.tuexen@lurchi.franken.de>, "tcpm@ietf.org Extensions" <tcpm@ietf.org>, Markku Kojo <kojo@cs.helsinki.fi>
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Subject: Re: [tcpm] Exceeding value in MSS option?
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OTOH 1122 is a standard and 6691 is Informational.

On Wed, Oct 21, 2020 at 9:40 AM Joseph Touch <touch@strayalpha.com> wrote:

> FWIW - when citing requirements established elsewhere, IMO it’s always
> better to NOT repeat it as a requirement elsewhere. It makes updates very
> difficult.
>
> I.e., avoid 2119 language when referring to an existing requirement and
> clearly indicate that this is a summary (“already a requirement”), e.g.:
>
> ---
> Note that it is already a requirement that TCP implementations consume
> payload space
> instead of increasing datagram size when including IP or TCP options
> in an IP packet to be sent [RFC6691].
> --
>
> FWIW - I would avoid citing 1122 because the entire issue is addressed
> definitely in 6691.
>
> Joe
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