Re: [babel] Murray Kucherawy's Discuss on draft-ietf-babel-rtt-extension-05: (with DISCUSS and COMMENT)

Juliusz Chroboczek <jch@irif.fr> Thu, 15 February 2024 15:29 UTC

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Date: Thu, 15 Feb 2024 16:29:31 +0100
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From: Juliusz Chroboczek <jch@irif.fr>
To: Murray Kucherawy <superuser@gmail.com>
Cc: The IESG <iesg@ietf.org>, draft-ietf-babel-rtt-extension@ietf.org, babel-chairs@ietf.org, babel@ietf.org, Donald Eastlake <d3e3e3@gmail.com>
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Subject: Re: [babel] Murray Kucherawy's Discuss on draft-ietf-babel-rtt-extension-05: (with DISCUSS and COMMENT)
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> Section 3.3 includes:
> 
>    ... For these reasons, very old timestamps or nonsensical timestamps MUST
>    NOT be used to yield RTT samples.
> 
>    We suggest the following algorithm to achieve that. When a node receives a
>    packet containing a Hello and an IHU, it SHOULD compare ...

[...]

> I suggest you take out "it SHOULD".  The entire paragraph is a suggestion
> anyway; there's no need for normative choices to be presented.

You're absolutely right.  The first paragraph is normative, while the
second paragraph is merely an implementation suggestion.  I'll remove all
normative language from the second paragraph.

Thanks,

-- Juliusz