Review of draft-ietf-idnabis-defs

"Martin J. Dürst" duerst at
Tue Oct 27 09:43:32 CET 2009

This participant in the WG didn't think about DNS dynamic updates during 
the work on the specs, but is comming to exactly the same conclusion as 
Andrew and John.

Regards,   Martin.

On 2009/10/26 22:55, Andrew Sullivan wrote:
> On Mon, Oct 26, 2009 at 12:39:08AM -0400, John C Klensin wrote:
>>> [BA] Does the term "registration" apply to DNS dynamic update,
>>> or only to the initial process of placing an entry?
>> Uh, yes.  If dynamic update is configured to require that an
>> RRSET (from the viewpoint of IDNA, a label) is already present,
>> then one has a lookup situation.  If it is configured for the
>> "RRSET does not exist" or "Name not in use" cases, then one has
>> a registration situation.  That said, my personal recommendation
>> would be to use the more conservative Registration rules any
>> time one is going to start modifying DNS zones rather than
>> simply looking something up.  But the WG has not discussed this
>> topic.
> This participant in the WG didn't discuss it because I thought it
> obvious that any dynamic update situation where one is in fact
> injecting data into a zone is registration, just as surely as editing
> a zone file is.  This is a logical consequence of using the words
> "registration" and "registry" for the activity of maintaining and
> operating a zone (it's consistent with the historic use of those words
> in this context).  I can't believe there's something special to say
> about this, but if there is I'd very strongly prefer that it be made
> crystal clear.

#-# Martin J. Dürst, Professor, Aoyama Gakuin University
#-#   mailto:duerst at

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