Active BGP Probing and large AS-sets

Joe Abley jabley at isc.org
Thu Jun 9 16:54:59 UTC 2005



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



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