[115257] in North American Network Operators' Group

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Re: Cogent input

daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Mon Jun 15 11:47:22 2009

To: German Martinez <gmartine@ajax.opentransit.net>
In-Reply-To: Your message of "Sun, 14 Jun 2009 17:56:51 EDT."
	<20090614215651.GE8046@ajax.opentransit.net>
From: Valdis.Kletnieks@vt.edu
Date: Mon, 15 Jun 2009 11:46:56 -0400
Cc: Alex Rubenstein <alex@corp.nac.net>, "nanog@merit.edu" <nanog@merit.edu>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

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On Sun, 14 Jun 2009 17:56:51 EDT, German Martinez said:

> I guess the blackholing could come from Cogent having a route to you but *YOU*
> not having a route back to Cogent as a consequence of the depeering.

Wouldn't that only happen if some AS was foolish enough to single-home upstream
of a Tier-1?

Consider it evolution in action...

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