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Re: [DNSOP] [TCP] Review of draft-ietf-dnsop-5966bis-00.txt

Ray Bellis <Ray.Bellis@nominet.org.uk> Mon, 09 March 2015 16:58 UTC

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From: Ray Bellis <Ray.Bellis@nominet.org.uk>
To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
Thread-Topic: [DNSOP] [TCP] Review of draft-ietf-dnsop-5966bis-00.txt
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Date: Mon, 09 Mar 2015 16:58:14 +0000
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References: <20141204135801.12482.73201.idtracker@ietfa.amsl.com> <20150104174226.GA23493@sources.org> <20150309163217.GA31109@nic.fr>
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Subject: Re: [DNSOP] [TCP] Review of draft-ietf-dnsop-5966bis-00.txt
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> On 9 Mar 2015, at 16:32, Stephane Bortzmeyer <bortzmeyer@nic.fr> wrote:
> 
> I re-send here two questions that have apparently not been addressed
> in -01
> 
> On Sun, Jan 04, 2015 at 06:42:26PM +0100,
> Stephane Bortzmeyer <bortzmeyer@nic.fr> wrote 
> a message of 37 lines which said:
> 
>> Section 3, "some network devices deliberately refuse to handle DNS
>> packets containing EDNS0 options" Isn't it true of DNS-over-TCP as
>> well? SAC035 is pessimistic (see table 2). Do we have other data on
>> TCP (lack of) support in middleboxes?

Stephane, can you please elaborate - are you specifically talking about EDNS0 options when inside a TCP connection, or just plain support for any TCP at all?

In the latter case, that's already addressed by RFC 5625 and to an extent by RFC 5966 and shouldn't (IMHO) need further elaboration.

kind regards,

Ray

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