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Re: [DNSOP] Working Group Last Call

神明達哉 <jinmei@wide.ad.jp> Fri, 07 October 2016 16:23 UTC

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From: 神明達哉 <jinmei@wide.ad.jp>
Date: Fri, 07 Oct 2016 09:22:19 -0700
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To: Tim Wicinski <tjw.ietf@gmail.com>
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Cc: dnsop <dnsop@ietf.org>
Subject: Re: [DNSOP] Working Group Last Call
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At Thu, 6 Oct 2016 02:49:34 -0400,
Tim Wicinski <tjw.ietf@gmail.com> wrote:

> >> I did some fix up - how do you like:
> >> "If a validating resolver gets a query for cat.example.com, it will
> >> query the example.com servers and will get back an NSEC (or NSEC3)
> >> record starting that there are no records between apple and elephant.
[...]
> >> Does that cover it sufficiently? (and I think I now better understand
> >> your concern).
> >
> > To be perfectly generic, "it will query the example.com servers" is
> > not always the case.  It (= validating resolver) might query another
> > intermediate resolver (often called a "forwarder") that performs
> > recursion.  By "external server" I tried to generalize the concept.
>
> Maybe this?
>
> "If a validating resolver receives a query for cat.example.com, it
> contacts its resolver (which may be itself) to query the example.com
> servers and will get back an NSEC (or NSEC3) record starting that there
> are no records between apple and elephant."

Yes, this is one way to address my point.  I'd leave it to the authors
specifically how to address it.

--
JINMEI, Tatuya

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