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To: George Michaelson <ggm@apnic.net>
Cc: dnsop@cafax.se
From: Shane Kerr <shane@ripe.net>
Date: Thu, 20 Mar 2003 10:27:49 +0100
Content-Disposition: inline
In-Reply-To: <20030320050825.2c455c22.ggm@apnic.net>
Sender: owner-dnsop@cafax.se
User-Agent: Mutt/1.4i
Subject: Re: Radical Surgery proposal: stop doing reverse for IPv6.

On 2003-03-20 05:08:25 +1000, George Michaelson wrote:
> 
> ok. in that spirit:
> 
> 	top down delegation in reverse IPv6 works well to the ISP
> 	level.  ie, where delegation of responsibility over address
> 	resource follows BCP, then the mechanism to perform DNS
> 	reverse management follows in a natural manner. We do this. It
> 	works.
> 
> 	it doesn't look to scale well for dynamic edge-host
> 	registration without confronting some inherently non-scaleable
> 	problems: /64 (and /32 Ipv4 holders) don't have a sane way to
> 	promote themselves into the process if more than one
> 	intermediate layer of address resource holder doesn't want to
> 	participate.  There are very real issues with the probity of
> 	taking an edge resource claim, and lodging DNS reverse over
> 	the head of an intermediate resource manager.

Since we apparently don't consider a /128 to be the goal of reverse
DNS, maybe the goal should be to define a reverse that has the option
of giving a CIDR block as the match.  That seems easy enough.

-- 
Shane Kerr
RIPE NCC
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