This is what exactly I said. Please see my comments. Regards Hitesh Patel -----Original Message----- From: Stephane Bortzmeyer [mailto:bortzmeyer@gitoyen.net] Sent: 01 December 2001 13:18 To: Alex Rubenstein Cc: nanog@merit.edu Subject: Re: a question about the economics of peering On Friday 30 November 2001, at 11 h 52, Alex Rubenstein <alex@nac.net> wrote:

While speaking with them today, thier engineer and I got into a little bit of a disagreement as to why people peer with each other at public exchange points.

There is also an important reason to be connected at several exchange points: reliability. If you just have one transit provider, you're more vulnerable than with one transit provider plus a variety of peerings, which will still carry at least part of the traffic if the main provider fails.