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To: Bill Woodcock <woody@pch.net>
Cc: Bruce Campbell <bruce.campbell@ripe.net>, Brad Knowles <brad.knowles@skynet.be>, Randy Bush <randy@psg.com>, <dnsop@cafax.se>
From: Brad Knowles <brad.knowles@skynet.be>
Date: Tue, 5 Nov 2002 06:21:50 -0600
In-Reply-To: <Pine.GSO.4.44.0211050234160.14504-100000@paixhost.pch.net>
Sender: owner-dnsop@cafax.se
Subject: Re: quibbles about what is anycast.

At 2:35 AM -0800 2002/11/05, Bill Woodcock wrote:

>        Brad Knowles wrote faster than he thought:
>      > True anycast for protocols other than UDP?  I sincerely doubt it.
>      > If you have evidence for this, I'd love to see it.
>
>  Works fine for TCP and ICMP.  What protocols do you have doubts about?

	I have doubts about TCP.  Can you explain in more detail how it 
works for TCP, especially for the case where the route from IP 
address A to IP address B changes to a different machine that serves 
IP address B, while in the middle of a connection?  And how often do 
route changes occur?

-- 
Brad Knowles, <brad.knowles@skynet.be>

"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
     -Benjamin Franklin, Historical Review of Pennsylvania.

GCS/IT d+(-) s:+(++)>: a C++(+++)$ UMBSHI++++$ P+>++ L+ !E W+++(--) N+ !w---
O- M++ V PS++(+++) PE- Y+(++) PGP>+++ t+(+++) 5++(+++) X++(+++) R+(+++)
tv+(+++) b+(++++) DI+(++++) D+(++) G+(++++) e++>++++ h--- r---(+++)* z(+++)
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