Worldly Thoughts

Erik Sherk sherk at
Fri May 10 13:09:13 UTC 1996

> 	Let's look at a hypothetical situation. ISP1 peers at MAE-E and 
> buys transit from MCI there. Now they ask Sprint to peer with them. Let's 
> look at how they reach sites on the west coast.

This is a violation of the rules of Mae-East: it is not to be used for
customer connections. ISP1 must have a private connection to MCI.


> 	Without peering, MCI gives the packets to Sprint at MAE-East and 
> Sprint returns packets to MCI at some west coast nap. That is, MCI and 
> Sprint share the coast-to-coast traffic.
> 	With peering, Sprint must take the packets all the to MAE-E as it 
> has a shorter AS path. All the coast-to-coast cost is borne by Sprint.
> 	Do you get that? Now do you understand the 3 NAP rule?
> 	David Schwartz
> On Thu, 9 May 1996, Alan Hannan wrote:
> >   So, comes my curiosity, and my puzzling thoughts about the current
> >   state of the net.  Why is it not in my best interest to talk to
> >   NSPX at a meet point?  Why, when it is in MY customer's best
> >   interest to talk to EVERYONE, would I not converse, and share
> >   knowledge and invitations about my customer base?

More information about the NANOG mailing list