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To: dns op wg <dnsop@cafax.se>
From: Måns Nilsson <mansaxel@sunet.se>
Date: Wed, 23 Oct 2002 10:42:54 +0200
Content-Disposition: inline
In-Reply-To: <E184471-0003F3-00@rip.psg.com>
Sender: owner-dnsop@cafax.se
Subject: Re: anycast



--On Tuesday, October 22, 2002 11:50:43 -0700 Randy Bush <randy@psg.com>
wrote:

> smb made what seems like a good suggestion for how to prudently
> deploy anycast root and gtld servers prior to dnssec deployment.
> 
> an isp runs one or more anycast slaves for root and/or gtld servers
> within their autonomous system and filters out other announcements
> of that address at their border.  just plain don't let it into your
> igp.  think of it as a degenerate case of the massey nanog paper.
> 
> the question then becomes how to acquire an authentic copy of the
> root and gtld zone files on a regular basis.  this may be as much
> of a layer nine pain as a layer four one.

Root zone is simple: 

-rw-r--r--   1 9998     213         14348 Oct 22 21:12 root.zone.gz
-rw-r--r--   1 9998     213            75 Oct 22 21:38 root.zone.gz.md5
-rw-r--r--   1 9998     213            72 Oct 22 21:38 root.zone.gz.sig

are available for ftp. The signature would be easily verified, had the key
been easy to find. I had to look for some time to find it... 

Layer nine is always unpredictable; though. 

-- 
Måns Nilsson            Systems Specialist
+46 70 681 7204         KTHNOC  MN1334-RIPE

We're sysadmins. To us, data is a protocol-overhead.

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