[DNSOP] New usage for TXT RR type on radar: Kerberos service discovery

Petr Spacek <pspacek@redhat.com> Tue, 31 May 2016 07:08 UTC

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From: Petr Spacek <pspacek@redhat.com>
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Date: Tue, 31 May 2016 09:08:44 +0200
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Subject: [DNSOP] New usage for TXT RR type on radar: Kerberos service discovery
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Hello,

I would like to draw attention of dnsop WG to discussion about new service
discovery method for Kerberos:

Please see
http://www.ietf.org/mail-archive/web/kitten/current/msg06044.html
and its continuation
http://mailman.mit.edu/pipermail/krbdev/2016-May/012588.html


Main arguments for using TXT instead of URI RR type are:
...
> We had been planning to use the URI record type, but after a recent
> round of discussion, we don't think it's likely that popular DNS hosting
> providers will allow customers to create URI records (since it seems
> like no one else is using them).  Some middle-boxes would also block DNS
> queries for URI records.  That problem would be even worse if we create
> a new record type.  So, we are planning to use the TXT record type.  It
> seems unlikely that we can standardize on a TXT record through the IETF
> (except perhaps as an informational RFC), but it seems like the only
> deployable option for individuals and small organizations
...

Could someone validate these assumptions?

I do not like TXT but I'm not in position to judge validity of these arguments.

Thank you for your time.

-- 
Petr Spacek  @  Red Hat