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To: "J-F C. (Jefsey) Morfin" <jefsey@club-internet.fr>
CC: Stephane Bortzmeyer <bortzmeyer@nic.fr>, Bruce Campbell <bruce.campbell@ripe.net>, Brad Knowles <brad.knowles@skynet.be>, Bill Woodcock <woody@pch.net>, dnsop@cafax.se
From: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>
Date: Fri, 15 Nov 2002 01:59:15 +0859 ()
In-Reply-To: <5.1.0.14.0.20021111113644.02aa50b0@mail.club-internet.fr> from"J-F C. (Jefsey) Morfin" at "Nov 11, 2002 11:38:25 am"
Sender: owner-dnsop@cafax.se
Subject: Re: quibbles about what is anycast.

jfc;

> This only addresses the DDoS aspect. Shoul not a global security and
> stability vision be considered? What are the cons/pros IRT other threats?
> To well disseminate a wrong root information is to make sure that
> wrong information will be inoculated faster, better, all over.

Such attack is more serious with a unicast root server, the single
point of compromise. The wrong information is used immediately all
over the world.

> Will such
> a multicasted system be easily restored?

Yes.

> Let imagine a root hacking
> followed by a DDoS to impeach the further root file correction to raeach
> one network area. Is that a stupid scenario?

DDoS is a good way to give alert to administrators.

							Masataka Ohta
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