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To: Brian E Carpenter <brian@hursley.ibm.com>
cc: ngtrans@sunroof.eng.sun.com, users@ipv6.org, dnsop@cafax.se
From: itojun@iijlab.net
Date: Sat, 20 Jan 2001 10:43:22 +0900
In-reply-to: brian's message of Fri, 19 Jan 2001 09:16:28 CST. <3A685A4C.7802A509@hursley.ibm.com>
Sender: owner-dnsop@cafax.se
Subject: Re: (ngtrans) Re: IPv6 dns


>> 
>> %       I think:
>> %       - it should be okay to deploy AAAA records to certain degree
>> %       - we need to be very conservative about deplying A6 records,
>> %         as A6 presents highly different behavior than A/AAAA records.
>> %         # of queries would increase, # of additoinal records would
>> %         go skyrocket.
>I think it was recognized a long time ago that the initial deployment
>of A6 records should be limited to two (or at most 3) levels. The question
>is whether that is enough to avoid the horrors described by Dan Bernstein 
>over on IPNG.

	I see... it is unfortunate RFC2874 does not cover it.
	it has A6 reference from leaf customer A6 record to ISP A6 record,
	and 5 levels of indirection.

itojun

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