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Re: [dnsext] Reminder: two WGLC closing in one week

Florian Weimer <fweimer@bfk.de> Thu, 02 October 2008 08:45 UTC

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To: Mark Andrews <Mark_Andrews@isc.org>
Cc: Andrew Sullivan <ajs@commandprompt.com>, namedroppers@ops.ietf.org
Subject: Re: [dnsext] Reminder: two WGLC closing in one week
References: <200809262103.m8QL3USA067104@drugs.dv.isc.org>
From: Florian Weimer <fweimer@bfk.de>
Date: Thu, 02 Oct 2008 10:38:29 +0200
In-Reply-To: <200809262103.m8QL3USA067104@drugs.dv.isc.org> (Mark Andrews's message of "Sat, 27 Sep 2008 07:03:30 +1000")
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* Mark Andrews:

>> DO necessarily implies UD because the synthesized CNAME is not signed
>> and thus not visible to a DNSSEC client (section 3.1).
>
> 	DO indicates that you want the DNSSEC records.

DO was originally conceived as "intent to validate".  It's not used
this way, though.

> 	UD indicates that you don't want the synthesised CNAME.
>
> 	There are cases where you don't want DO to imply UD.
> 	Think humans reading the output.

If UD is debugging-only, I don't think it's worth the effort.

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

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