Re: DNSSEC architecture vs reality

Michael Thomas <mike@mtcc.com> Mon, 12 April 2021 23:21 UTC

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Subject: Re: DNSSEC architecture vs reality
To: Nico Williams <nico@cryptonector.com>
Cc: ietf@ietf.org
References: <YHOAzeOj1JaGdmsO@straasha.imrryr.org> <5e91c054-5935-df07-e8ba-09cc78f6c950@network-heretics.com> <YHPSP8Kij2K4v7qQ@straasha.imrryr.org> <82c5fcc6-b419-6efb-b682-b5dbb32905e2@network-heretics.com> <585D8590-472B-4CBC-8292-5BE85521DD76@gmail.com> <a6545baf-b15e-3690-d7b5-be33c4078e02@mtcc.com> <20210412221435.GV9612@localhost> <0755b70e-cc8e-3404-73cd-51950b3d7e53@mtcc.com> <20210412222748.GW9612@localhost> <b0a43f25-c4c2-9f3c-1a42-426a6ef6afa0@mtcc.com> <20210412231850.GA9612@localhost>
From: Michael Thomas <mike@mtcc.com>
Message-ID: <9e52dc5b-6dbc-5a98-3205-84cf18da012e@mtcc.com>
Date: Mon, 12 Apr 2021 16:21:39 -0700
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On 4/12/21 4:18 PM, Nico Williams wrote:
> On Mon, Apr 12, 2021 at 03:43:31PM -0700, Michael Thomas wrote:
>> The one thing that bugs me about DANE is its use of a native RR type. This
>> is a well trodden argument of doing it proper and doing it in a deployable
>> way. We know what happens when you do it the "right way" which is usually
>> nothing at all. If it started to get popular, we could gin up a TXT record
>> alternative though, I suppose. When we were doing DKIM at Cisco, our IT
>> folks were incredibly accommodating, but implementing a new RR type in their
>> infrastructure would have probably been a bridge too far. Heck, I wouldn't
>> be surprised if Mark at Y! got told the same thing :)
> Hmm, well, as they say, "new RR types are cheap", though more
> importantly document authors get forced to use new RR types rather than
> use TXT RRs.  But tooling for hosting sites and such is a problem, yes,
> even if it isn't for servers and clients.  But this is water under the
> bridge now.  And if anything, the IETF is tripling down on more new RR
> types.

Maybe somebody should take score of the new RR's vs. deployment. Data is 
our friend.

Mike