[120358] in North American Network Operators' Group

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Re: sink.arpa question

daemon@ATHENA.MIT.EDU (Joe Abley)
Thu Dec 17 20:56:01 2009

From: Joe Abley <jabley@hopcount.ca>
In-Reply-To: <1261091772.17216@mule.he.net>
Date: Fri, 18 Dec 2009 01:54:54 +0000
To: hardie@oakthorn.com
X-SA-Exim-Mail-From: jabley@hopcount.ca
Cc: nanog@merit.edu
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org


On 2009-12-17, at 23:16, Ted Hardie wrote:

> Silly question: how well would using 1.0.0.257.in-addr.arpa match the
> need identified in draft-jabley-sink-arpa ?
>=20
> It seems like it would be equally well guaranteed to be non-existant
> (short of change in the def of IPv4 and in-addr.arpa).  Like
> sink.arpa, it would get you a valid SOA and nothing else.
>=20
> Am I missing something, or is this operationally equivalent?

That seems operationally equivalent, in the same way that =
sink.hopcount.ca doesn't exist.

The philosophical difference is that (it is proposed that) SINK.ARPA be =
guaranteed never to exist, whilst it's conceivable I suppose that =
someone could one day propose a use for 257.in-addr.arpa and =
descendants.


Joe=


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