nanog mailing list archives

Re: Cogent/Level 3 depeering


From: Charles Gucker <cgucker () onesc net>
Date: Wed, 5 Oct 2005 15:44:10 -0400


On 10/5/05, Daniel Roesen <dr () cluenet de> wrote:

On Wed, Oct 05, 2005 at 02:08:01PM -0400, Richard A Steenbergen wrote:
You can only be a "tier 1" and maintain global reachability if you peer
with every other tier 1. Level 3 is obviously the real thing, and Cogent
is "close enough" (at least in their own minds :P) that they won't buy
real transit, only spot routes for the few things that they are missing
(ATDN and Sprint basically). There is no route "filtering" going on, only
the lack of full propagation due to transit purchasing decisions, or in
this case the lack thereof.

Exactly. And this is why Cogent's statement to the public (and their
customers) is an outright lie. Level 3 isn't "denying Level 3's
customers access to Cogent's customers and denying Cogent's customers
access to Level 3 customers.". It's just that they deny Cogent
settlement-free direct peering anymore. Cogent can get the L3 and L3
customer routes elsewhere if they want. But Cogent doesn't. It's Cogents
decision to break connectivity, not L3's.

Oh man, I have to jump in here for a moment.  Not that I agree with
what happened, but to refute your claim that Cogent can get L3
elsewhere, it goes both ways.  L3 can also get Cogent connectivity
elsewhere.   This is a big game of chicken, it will be interesting to
see who backs down first.

If I would be a Cogent customer, I would have a _very_ warm word with my
sales rep why they are trying to bs me with those kind of statements and
think that I actually am dumb enough to believe that.

Well, as I somewhat said above, there will always be three sides to
every story.  Side 1, Side 2 and the truth.  Each side has a case,
it's up to the lawyers now to sort it all out.

charles


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