nanog mailing list archives
Re: Cogent/Level 3 depeering
From: Daniel Senie <dts () senie com>
Date: Wed, 05 Oct 2005 17:59:22 -0400
At 03:37 PM 10/5/2005, Justin M. Streiner wrote:
On Wed, 5 Oct 2005, Todd Vierling wrote:On Wed, 5 Oct 2005, Matthew Crocker wrote: This comes down to a little more than just "depeering" -- at least in the BGP sense. There's active route filtering going on as well if connectivity is dead; after all, I can bet the house that at least one of Cogent's network edge peers has connectivity to Level3, and vice versa.People who are single-homed to either Cogent or Level(3) are the ones who are most likely to feel the pain of broken connectivity.
And any ISPs who buy wholesale dialup services from either Level(3) or Cogent. Both of them offer such services, and many ISPs use these wholesale outfits rather than building their own infrastructure in every city.
The dialup case results in a very large number of users of a large number of ISPs being single-homed to one or the other of these outfits. Keep that in mind too when you next sign a contract for wholesale dialup service.
Current thread:
- Peering vs SFI (was Re: Cogent/Level 3 depeering), (continued)
- Peering vs SFI (was Re: Cogent/Level 3 depeering) vijay gill (Oct 05)
- Re: Peering vs SFI (was Re: Cogent/Level 3 depeering) Richard Irving (Oct 05)
- Re: Peering vs SFI (was Re: Cogent/Level 3 depeering) vijay gill (Oct 05)
- Re: Peering vs SFI (was Re: Cogent/Level 3 depeering) Richard Irving (Oct 05)
- Re: Peering vs SFI (was Re: Cogent/Level 3 depeering) Dorian Kim (Oct 05)
- Re: Peering vs SFI (was Re: Cogent/Level 3 depeering) Richard Irving (Oct 05)
- Re: Peering vs SFI (was Re: Cogent/Level 3 depeering) vijay gill (Oct 05)
- RE: Peering vs SFI (was Re: Cogent/Level 3 depeering) Sean Butler (Oct 05)
- Re: Peering vs SFI (was Re: Cogent/Level 3 depeering) Richard Irving (Oct 05)
- Re: Cogent/Level 3 depeering Justin M. Streiner (Oct 05)
- Re: Cogent/Level 3 depeering Daniel Senie (Oct 05)
- Re: Cogent/Level 3 depeering Jeff Shultz (Oct 05)
- Re: Cogent/Level 3 depeering James (Oct 05)
- Re: Cogent/Level 3 depeering John Payne (Oct 05)
- Re: Cogent/Level 3 depeering Jeff Shultz (Oct 05)
- Re: Cogent/Level 3 depeering Joe Abley (Oct 05)
- Re: Cogent/Level 3 depeering Joe Abley (Oct 05)
- Re: Cogent/Level 3 depeering Mike Tancsa (Oct 05)
- Re: Cogent/Level 3 depeering Richard A Steenbergen (Oct 05)
- Re: Cogent/Level 3 depeering John Curran (Oct 05)
- Re: Cogent/Level 3 depeering Simon Lockhart (Oct 05)