[193071] in North American Network Operators' Group
Re: Prepending with another ASN you don't own
daemon@ATHENA.MIT.EDU (Jon Lewis)
Fri Dec 16 17:31:24 2016
X-Original-To: nanog@nanog.org
Date: Fri, 16 Dec 2016 17:22:31 -0500 (EST)
From: Jon Lewis <jlewis@lewis.org>
To: Andrew Imeson <andrew@andrewimeson.com>
In-Reply-To: <m2wpf0unks.wl-randy@psg.com>
Cc: North American Network Operators' Group <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Fri, 16 Dec 2016, Randy Bush wrote:
> this is called path poisoning. an italian friend used it in his phd
> thesis. a few friends and i used it to detect use of default across
> the internet.
I've done this in the past as a work-around for insufficient BGP community
support. Just prepending the AS I wanted to ignore the paths.
But, if the problem is an anycast CDN choosing a sub-optimal path to reach
you, you might try reaching out to them. They're probably just as, if not
more interested, in getting their traffic to you as efficiently as
possible.
----------------------------------------------------------------------
Jon Lewis, MCP :) | I route
| therefore you are
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
