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Re: DNSSEC - Signature Only vs the MX/A issue.

Mike StJohns <Mike.StJohns@nominum.com> Thu, 30 November 2006 19:34 UTC

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Date: Thu, 30 Nov 2006 13:57:52 -0500
To: Josh Littlefield <joshl@cisco.com>, Stephane Bortzmeyer <bortzmeyer@nic.fr>
From: Mike StJohns <Mike.StJohns@nominum.com>
Subject: Re: DNSSEC - Signature Only vs the MX/A issue.
Cc: namedroppers@ops.ietf.org
In-Reply-To: <456CAD59.8030501@cisco.com>
References: <20061127032712.CD1FE56890@shell-ng.nominum.com> <20061128135806.GA24695@nic.fr> <20061128203532.0DC4F56890@shell-ng.nominum.com> <20061128204758.GA20253@nic.fr> <456CAD59.8030501@cisco.com>
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At 04:42 PM 11/28/2006, Josh Littlefield wrote:
>Stephane Bortzmeyer wrote:
> > On Tue, Nov 28, 2006 at 03:13:50PM -0500,
> >  Mike StJohns <Mike.StJohns@nominum.com> wrote
> >  a message of 25 lines which said:
> >
> >> Not exactly.  See my previous note to Mark.  SO still protects the
> >> atomicity of an RRSet - you can delete ALL of the SRV records or
> >> none of them.  If you delete all of them at a label, the lookup
> >> fails and you can't proceed.
> >
> > See Peter Koch's reply :-) Many protocols define a fallback outside of
> > the RRset. For instance, in
> > 
> http://mirrors.isc.org/pub/www.watersprings.org/pub/id/draft-andrews-http-srv-01.txt,
> > there is a fallback from SRV to A.
>
>Similarly, RFC 3263 defines fallback from NAPTR to SRV (at a different
>but related name), followed by fallback to A and AAAA.

*sigh* Yes.  


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