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Re: [DNSOP] Working Group Last Call for draft-ietf-dnsop-edns-chain-query

Tony Finch <dot@dotat.at> Tue, 10 November 2015 21:29 UTC

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Date: Tue, 10 Nov 2015 21:29:30 +0000
From: Tony Finch <dot@dotat.at>
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Subject: Re: [DNSOP] Working Group Last Call for draft-ietf-dnsop-edns-chain-query
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Paul Hoffman <paul.hoffman@vpnc.org> wrote:

> > With the current DNS protocol, a stub resolver can get all the records it
> > needs to validate a response in 1RTT, by sending multiple concurrent
> > queries for all the possible delegation points in the QNAME.
>
> I'm confused. How does the stub know all of those ahead of time?

The possible delegation points are where the dots are in the QNAME.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
Trafalgar: Easterly 5 to 7 in far southeast, otherwise variable 3 or 4.
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