[49203] in North American Network Operators' Group
Re: how is cold-potato done?
daemon@ATHENA.MIT.EDU (Greg Maxwell)
Wed Jun 26 13:58:58 2002
Date: Wed, 26 Jun 2002 13:57:18 -0400 (EDT)
From: Greg Maxwell <gmaxwell@martin.fl.us>
To: Ralph Doncaster <ralph@istop.com>
Cc: <nanog@merit.edu>
In-Reply-To: <Pine.LNX.4.21.0206261348180.17710-100000@cpu1693.adsl.bellglobal.com>
Errors-To: owner-nanog-outgoing@merit.edu
On Wed, 26 Jun 2002, Ralph Doncaster wrote:
> If I peer with network X in cities A and B, and receive the same route in
> both cities with an AS-path of X, how do I know which city to use for an
> exit? I can understand how if X uses communities to tag the geographic
> origin of the traffic, but I'm not aware of many networks that do
> this. Lots of networks claim to use cold-potato routing though, so how do
> they do it?
MED's are one way..
External traceroute kungfu feeding a routeserver are another.
