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Re: Extension Header Insertion

Fernando Gont <fgont@si6networks.com> Tue, 10 December 2019 23:32 UTC

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Subject: Re: Extension Header Insertion
To: Ron Bonica <rbonica=40juniper.net@dmarc.ietf.org>, Brian E Carpenter <brian.e.carpenter@gmail.com>, "adrian@olddog.co.uk" <adrian@olddog.co.uk>, '6man' <6man@ietf.org>
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From: Fernando Gont <fgont@si6networks.com>
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Date: Tue, 10 Dec 2019 18:07:00 -0500
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On 10/12/19 16:32, Ron Bonica wrote:
> Brian,
> 
> When a protocol specification ignores a "should" recommendation , it SHOULD provide justification for doing so. Otherwise, the "should"  recommendationis meaningless.
> 
> Over the years, I have seen the following types of justification:
> 
> - Necessary: It is not possible to implement this protocol while conforming to the recommendation.
> - Necessary optimization: It is not possible to make this protocol perform acceptably while conforming to the recommendation.
> - Necessary simplification: It is not possible to operate and debug this protocol while conforming to the recommendation
> - Unacceptable: I am ignoring this recommendation without offering any justification.

+1

Indeed, we are moving in a direction in which one wonders what's the
point of 6man publishing specs, and of folks reading them, if they can
be ignored and updated at will, without any rationale. And it's very sad.

-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492

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