--- John Dupuy <[EMAIL PROTECTED]> wrote:
> But by the technical description of a "transit free > zone", then 701 is not > tier one, since I have encountered scenarios where > many AS are transversed > between 701 and other networks, not just a peer of a > peer. Unless, by > "transit free zone" you mean "transit trading" where > large providers permit > each other to transit for free. (Which gets back to > my 'who hurts more' > discussion.) > <oversimplification> Transit = being someone's customer Peering = permitting your customers to go to your peer's customers or the peer's network, but not the peer's peers, without exchange of money. Any other relationship != peering for my purposes (although lots of subtly different relationships exist, the largest networks tend to take a view which is not too dissimilar to the one shown above) </oversimplification> Are you implying that 701 is paying someone to carry their prefixes? While I'm not the peering coordinator for 701, I would find that improbable. I would expect that money would flow the other direction (and thus 701 would become a more valuable peer for other networks). > I'm willing to be wrong. If any of the large > providers on the list will say > that their network does not transit beyond the > customer of a peer; and they > still maintain full connectivity, I will gladly be > corrected. oodles and oodles of people can say this (and already have). A paying customer of mine can readvertise (with a non-munged AS_PATH) any of my prefixes which they want, and thus provide transit for other people to reach me. That does not change the fact that I'm not paying for transit. So in short, I would say that T1 vs T2 etc is a "follow the money": T1 => doesn't pay anyone else to carry their prefixes, and runs a default-free network. T2 => pays one or more T1 providers to carry their prefixes, may or may not run a default-free network. T3 => leaf node, pays one or more T1/T2 providers to carry their traffic, probably uses default route. YMMV, blah blah blah David Barak Need Geek Rock? Try The Franchise: http://www.listentothefranchise.com __________________________________ Do you Yahoo!? Yahoo! Sports - Sign up for Fantasy Baseball. http://baseball.fantasysports.yahoo.com/
