Ars Technica had a pretty good article about peering and transit: http://arstechnica.com/features/2008/09/peering-and-transit/ http://arstechnica.com/features/2

Ars Technica had a pretty good article about peering and transit: http://arstechnica.com/features/2008/09/peering-and-transit/ http://arstechnica.com/features/2008/09/peering-and-transit/ don't know if that is what you were looking for but it does a pretty good job explaining that part.