It would be great if we could shift focus and think about the operations impact of depeering vs. just the political and/or contractual ramifications.
Have there been any proposals put forth to the NANOG PC to review this highly visible depeering at the NANOG meeting this month?
in the past, we (renesys) have done reports on the impact on global routing from various kinds of internet (and extra-internet) events, like the 9121 leak of the full table last year, the 2003 blackouts in the northeastern US, and the landfall of hurricane katrina. i've made a suggestion to the PC that we would be willing to do a quick report on the (3)/Cogent situation, purely from a routing perspective, if there is interest. the idea would be to lay some facts to the speculation from a routing perspective: size/# of singly homed downstreams of each apparent weight/utilization of the edge between them timeline impact of the disconnection (what paths gained the most) that sort of thing. put some context to this as seen from a fairly large peerset (we can mix in routeviews and ripe ris peers if necessary, too). if nov 9 is a serious re-de-peering date, it might be interesting to have some of these facts in evidence beforehand. is there interest in something like this for oct nanog? are there facts other than those mentioned above that people would like to see reported on (and that can be seen from routing tables--we don't have traffic data and most people who do won't give them up for public viewing). i don't want to waste time preparing it if people are over it already, but would be happy to do something if there is interest. todd -- _____________________________________________________________________ todd underwood director of operations & security renesys - interdomain intelligence todd@renesys.com www.renesys.com