a question about the economics of peering

Sat Dec 1 13:18:14 UTC 2001

On Friday 30 November 2001, at 11 h 52, 
Alex Rubenstein <alex at 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.