North American Network Operators Group
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Re: how is cold-potato done?

  • From: Greg Maxwell
  • Date: Wed Jun 26 13:58:33 2002 
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.