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Re: [DNSOP] Francesca Palombini's No Objection on draft-ietf-dnsop-dns-tcp-requirements-13: (with COMMENT)

"Wessels, Duane" <dwessels@verisign.com> Fri, 29 October 2021 23:31 UTC

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From: "Wessels, Duane" <dwessels@verisign.com>
To: Francesca Palombini <francesca.palombini@ericsson.com>
CC: The IESG <iesg@ietf.org>, "draft-ietf-dnsop-dns-tcp-requirements@ietf.org" <draft-ietf-dnsop-dns-tcp-requirements@ietf.org>, "dnsop-chairs@ietf.org" <dnsop-chairs@ietf.org>, "dnsop@ietf.org" <dnsop@ietf.org>, Suzanne Woolf <suzworldwide@gmail.com>, "mahoney@nostrum.com" <mahoney@nostrum.com>
Thread-Topic: [EXTERNAL] Francesca Palombini's No Objection on draft-ietf-dnsop-dns-tcp-requirements-13: (with COMMENT)
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Date: Fri, 29 Oct 2021 23:31:48 +0000
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Subject: Re: [DNSOP] Francesca Palombini's No Objection on draft-ietf-dnsop-dns-tcp-requirements-13: (with COMMENT)
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Francesca, thank you for the review.

> On Oct 28, 2021, at 2:43 AM, Francesca Palombini via Datatracker <noreply@ietf.org> wrote:
> 
> 
> 
> I only have one very minor comments, to take or leave as you please:
> 
>   headers are 40 bytes (versus 20 without options in IPv4).  Second, it
>   seems as though some people have misinterpreted IPv6's required
>   minimum MTU of 1280 as a required maximum.  Third, fragmentation in
> 
> FP: The "some people" is quite cryptic, in my opinion. What people? Does this
> come from analyzing implementations? Then it would probably be good to state so
> instead.

Perhaps this is better?

   Second, it is common
   for IPv6-connected hosts to use the minimum MTU of 1280 bytes <xref target="PMTU”/>

Where the PMTU reference is "Exploring Usable Path MTU in the Internet” (https://doi.org/10.23919/TMA.2018.8506538)

DW

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