sink.arpa question

Joe Abley jabley at hopcount.ca
Fri Dec 18 01:54:54 UTC 2009


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 ?
> 
> 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.
> 
> 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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