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[DNSOP] Re: [v6ops] Re: Re: Fwd: New Version Notification - draft-ietf-dnsop-avoid-fragmentation-18.txt

Petr Špaček <pspacek@isc.org> Fri, 05 July 2024 13:55 UTC

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Date: Fri, 05 Jul 2024 15:55:35 +0200
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To: Paul Wouters <paul@nohats.ca>
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From: Petr Špaček <pspacek@isc.org>
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Subject: [DNSOP] Re: [v6ops] Re: Re: Fwd: New Version Notification - draft-ietf-dnsop-avoid-fragmentation-18.txt
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On 05. 07. 24 15:24, Paul Wouters wrote:
> On Jul 5, 2024, at 08:14, Petr Špaček <pspacek@isc.org> wrote:
>>
>> I understand why Paul Vixie does not like 1400 set in stone.
>>
>> Having said that I think it's in fact _not_ set in stone because the text says RECOMMENDED.
>>
>> My interpretation is that it means "if you don't know any better use 1400", but RECOMMENDED is more concise.
> 
> I read RECOMMENDED as “don’t think you are smarter than the collective IETF”. Or maybe that’s just how I hope people will read it.
> 
> I think your interpretation is more like a MAY.

Well there's no need to guess!

https://datatracker.ietf.org/doc/html/rfc2119

3. SHOULD   This word, or the adjective "RECOMMENDED", mean that there
    may exist valid reasons in particular circumstances to ignore a
    particular item, but the full implications must be understood and
    carefully weighed before choosing a different course.

-- 
Petr Špaček
Internet Systems Consortium

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