[81432] in North American Network Operators' Group
Re: Active BGP Probing and large AS-sets
daemon@ATHENA.MIT.EDU (Joe Abley)
Thu Jun 9 12:56:02 2005
In-Reply-To: <8764wno9tb.fsf@deneb.enyo.de>
Cc: Lorenzo Colitti <lorenzo@ripe.net>,
Martin Hannigan <hannigan@verisign.com>, nanog@merit.edu
From: Joe Abley <jabley@isc.org>
Date: Thu, 9 Jun 2005 12:54:59 -0400
To: Florian Weimer <fw@deneb.enyo.de>
Errors-To: owner-nanog@merit.edu
On 2005-06-09, at 10:59, Florian Weimer wrote:
> * Lorenzo Colitti:
>
>> So yes, the ASes inserted in the AS-set are operated by others,
>> and yes,
>> the announcements are sent out to the Internet at large.
>
> This approach is highly questionable. Any responsible ISP should kick
> you off the net for announcing AS path containing ASNs without
> permission from the real owner/assignee.
People have been prepending non-local ASNs onto covered routes as a
crude inter-domain TE hammer for years. The sky has not fallen.
Joe
