Re: [DNSOP] I-D Action: draft-song-dnsop-tcp-primingexchange-00.txt

Davey Song <songlinjian@gmail.com> Fri, 28 November 2014 09:25 UTC

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Date: Fri, 28 Nov 2014 17:25:52 +0800
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From: Davey Song <songlinjian@gmail.com>
To: Paul Hoffman <paul.hoffman@vpnc.org>
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Subject: Re: [DNSOP] I-D Action: draft-song-dnsop-tcp-primingexchange-00.txt
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Hi Paul Hoffman, I appreciate your comments which touches the key point of
my concern.

Yes, two pages is enough to address the problem with your suggestion. It
actually turns off the EDNS0 during Priming Exchange, right ?

On Fri, Nov 28, 2014 at 12:05 AM, Paul Hoffman <paul.hoffman@vpnc.org>
wrote:

> On Nov 26, 2014, at 11:18 AM, Davey Song <songlinjian@gmail.com> wrote:
> > Hi folks, I just post a draft on Priming Exchange over TCP. Comments are
> welcome!
>
> The proposed solution is not needed as long as the resolver that using the
> priming exchange can fall back to TCP. A different approach to the document
> would be:
>
>    Motivation: The root zone is longer than 512 octets,
>    so responses to priming queries are truncated.
>
>    Requirement: All resolvers that perform priming
>    queries MUST be able to use TCP as specified in
>    RFC 1035 when performing the priming query.
>
> That should be an RFC of less than two pages, and would not involve making
> priming queries special enough to require a protocol change for them.
>
> --Paul Hoffman