more on Network feud leads to Net blackout

[David Farber <dave () farber net>]

Begin forwarded message:

From: Gary Funck <gary () intrepid com>
Date: October 7, 2005 8:53:36 PM EDT
To: dave () farber net
Subject: RE: [IP] Network feud leads to Net blackout




> From: edward.vielmetti () gmail com
> Date: October 6, 2005 1:23:21 AM EDT
[...]

> Network feud leads to Net blackout
> By John Borland
>
> Two major Net companies stop exchanging traffic, cutting off access
> to each other's networks for some customers.
>
> http://news.com.com/Network+feud+leads+to+Net+blackout/
> 2100-1038_3-5889592.html?tag=sas.email

short url: http://tinyurl.com/8udl6

As a small Cogent user, we've been less than amused, and found
little comfort in Ken Organski's "correlates of war" work.

In our limited experience, both ISP's have dealt this
disruption onto their users rather abruptly, and frankly it
would serve them right if users on both sides of the fence
picked up their business and took it elsewhere.

At the monent it seems that service has been restored,
http://status.cogentco.com/ and that for now, L3 had to
eat their words:

"The Level 3 representative said the company was unlikely to
reconsider its position, however."

I wonder if this was really true:

"The problem is likely to affect only a small number of each
company's customers. Many network company customers have
several connections to the Internet and can use an alternate
connection to reach a site that might otherwise be blocked"


Some of the IP readers may find Cogent's response earlier
this week to be somewhat eddifying and/or entertaining:

======

10/5/05 Level 3* has partitioned its part of the Internet from
Cogent's part of the Internet by denying Level 3's customers
access to Cogent's customers and denying Cogent's customers
access to Level 3 customers.

Level 3 terminated its peering with Cogent without cause
(as permitted under its peering agreement with Cogent) even
though both Cogent and Level 3 remained in full compliance
with the previously existing interconnection agreement.

Many Level 3 customers can still exchange traffic with Cogent
customers because the Level 3 customer is multi- homed,
i.e. it also has a connection to Cogent or to one of the many
other networks with which Cogent has a peering relationship.

As described below Cogent is offering a solution to Level
3 customers that are not multi-homed. Cogent will offer any
Level 3 customer, who is single homed to the Level 3 network
as of October 5, 2005, one year of full Internet transit free
of charge at the same bandwidth currently being supplied
by Level 3. Cogent will provide this connectivity in over
1,000 locations throughout North America and Europe. Cogent
is committed to an open Internet.

The existing interconnection facilities between Level 3
and Cogent remain intact. Cogent hopes that Level 3 will
reactivate these connections, restoring a full level of service
to their customers. *Level 3 is a communications services
company headquartered in Broomfield, Colorado. Like Cogent,
it operates one of the largest communications and Internet
backbones in the world.


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