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To: ggm@apnic.net
Cc: dnsop@cafax.se
From: Alain Durand <Alain.Durand@sun.com>
Date: Thu, 27 Jun 2002 17:28:40 -0700
In-reply-to: <16383.1025259539@garlic.apnic.net>
Sender: owner-dnsop@cafax.se
Subject: Re: draft-durand-ngtrans-dns-issues-00.txt


On Friday, June 28, 2002, at 03:18 AM, ggm@apnic.net wrote:

>>
>> How will it work when the IPv4 address is transient, i.e. DHCP 
>> allocated
>> for a short lease (typically less than a day)?
>>
>
> Isn't this the same for any transient address DNS issue? I don't see a
> specific 6 Issue here.

In v4-land, it is common to use automatically generated PTR for 
transient addresses.
in v6-land, with 6to4, a single IPv4 transient address will generate a 
/48 prefix, that is
2^80 addresses. I doubt it is a good idea to generate that many records!

Note: there is a similar issue with plain, non-6to4, transient prefixes.

My draft suggest to use wildcard PTR records. Does it makes sense?

	- Alain.


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