[133812] in North American Network Operators' Group

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Re: "potential new and different architectural approach" to solve the

daemon@ATHENA.MIT.EDU (Benson Schliesser)
Fri Dec 17 12:14:58 2010

From: Benson Schliesser <bensons@queuefull.net>
In-Reply-To: <4D0B8886.5030809@ac.upc.edu>
Date: Fri, 17 Dec 2010 11:15:14 -0600
To: =?iso-8859-1?Q?Lor=E1nd_Jakab?= <ljakab@ac.upc.edu>,
	NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org


On Dec 17, 2010, at 9:57 AM, Lor=E1nd Jakab wrote:

> Since it is Friday, maybe some of peering experts have some time to
> speculate what this new approach proposed by Comcast might be, as they
> assert it would represent "a significant shift of Internet =
infrastructure."
>=20
> http://www.lightreading.com/document.asp?doc_id=3D202121
> =
http://blog.comcast.com/2010/12/comcast-continues-discussions-with-level-3=
----offers-to-trial-new-solutions.html

I have no direct knowledge of the situation, but my guess:  I suspect =
the proposal was along the lines of longest-path / best-exit routing by =
Level(3).  In other words, if L(3) carries the traffic (most of the way) =
to the customer, then Comcast has no complaint--the costs can be more =
fairly distributed.  The "modest investment" is probably in tools to =
evaluate traffic and routing metrics, to make this work.  This isn't =
really *new* to the peering community, but it isn't normal either.

If anybody knows for sure, I'd be interested to hear.

Cheers,
-Benson



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