[49226] in North American Network Operators' Group

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Re: how is cold-potato done?

daemon@ATHENA.MIT.EDU (Ralph Doncaster)
Wed Jun 26 15:36:53 2002

Date: Wed, 26 Jun 2002 15:31:49 -0400 (EDT)
From: Ralph Doncaster <ralph@istop.com>
To: dre <andre@operations.net>
Cc: "nanog@merit.edu" <nanog@merit.edu>
In-Reply-To: <20020626122215.A45568@network.operations.net>
Errors-To: owner-nanog-outgoing@merit.edu


> I guess the final question is -- why is anyone concerned about
> best-exit at all?  Doesn't shortest-exit still get the traffic
> there?  I'm willing to bet there are a lot of different answers
> to all these questions.

Some networks will supposedly relax their peering requirements if you do
best-exit.  Also, for some networks shortest-exit results in pipes with
large traffic flows in one direction and not the other, so using best-exit
may not require any increase in backbone capacity.

-Ralph



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