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Re: [DNSOP] Adoption of new EDNS opcode "rrserial"

Donald Eastlake <d3e3e3@gmail.com> Fri, 07 May 2021 21:15 UTC

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From: Donald Eastlake <d3e3e3@gmail.com>
Date: Fri, 07 May 2021 17:15:22 -0400
Message-ID: <CAF4+nEGq=BA0w8AHXfqc3bcD_ks7qOG6Mxs_a02sXdAJrjirRg@mail.gmail.com>
To: Hugo Salgado <hsalgado@nic.cl>
Cc: "<dnsop@ietf.org>" <dnsop@ietf.org>
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Subject: Re: [DNSOP] Adoption of new EDNS opcode "rrserial"
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Seems like a good idea to me. I think the WG should adopt it.

Thanks,
Donald
===============================
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 2386 Panoramic Circle, Apopka, FL 32703 USA
 d3e3e3@gmail.com

On Mon, Jan 27, 2020 at 10:09 AM Hugo Salgado <hsalgado@nic.cl> wrote:
>
> Dear DNSOPers, as an operator I tend to have this need to couple
> an answer for a query to an auth server, with the actual "SOA zone
> version" used. So I think it'll be valuable to have an EDNS option
> for it.
>
> Here I'm proposing it with this new draft. The 'camel index' for
> its implementation/hack/proof-of-concept is about 37 lines in
> NSD 4.1 (more details in Appendix A).
>
> I've asked some operators and they see value on it. Is there any
> support for adoption in DNSOP?
>
> -----
> Name:           draft-salgado-rrserial
> Revision:       01
> Title:          The "RRSERIAL" EDNS option for the SOA serial of a RR's zone
> Document date:  2020-01-27
> Group:          Individual Submission
> Pages:          5
> URL:            https://www.ietf.org/internet-drafts/draft-salgado-rrserial-01.txt
> Status:         https://datatracker.ietf.org/doc/draft-salgado-rrserial/
> Htmlized:       https://tools.ietf.org/html/draft-salgado-rrserial-01
> Htmlized:       https://datatracker.ietf.org/doc/html/draft-salgado-rrserial
> Diff:           https://www.ietf.org/rfcdiff?url2=draft-salgado-rrserial-01
>
> Abstract:
>    The "RRSERIAL" EDNS option allows a DNS querier to ask a DNS
>    authoritative server to add a EDNS option in the answer of such query
>    with the SOA serial number field of the origin zone which contains
>    the answered resource record.
>
>    This "RRSERIAL" data allows to debug problems and diagnosis by
>    helping to recognize the origin of an answer, associating this answer
>    with a respective zone version.
> -----
>
> Best,
>
> Hugo Salgado
>
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