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To: Jun-ichiro itojun Hagino <itojun@iijlab.net>
CC: Pekka Savola <pekkas@netcore.fi>, dnsop@cafax.se
From: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>
Date: Thu, 21 Nov 2002 21:12:47 +0859 ()
In-Reply-To: <20021119192317.8CC6F7AF@starfruit.itojun.org> from Jun-ichiro itojunHagino at "Nov 20, 2002 04:23:17 am"
Sender: owner-dnsop@cafax.se
Subject: Re: comments on dnsop-ipv6-dns-issues-00

Itojun;

> 	we could use ICMPv6 node information query, or something alike,
> 	to directly query the reverse name to the node itself.
> 	(we cannot sign RR, obviously)

Your assumption that source address of a incoming packet is reachable is
improper.

Never assume routing symmetric.

							Masataka Ohta
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