BGP AS Sets in the wild

Tue Aug 23 10:55:33 UTC 2005

On 23-aug-2005, at 12:36, Abhishek Verma wrote:

> I was looking at route-views.routeviews.org for the BGP routes and i
> dont see any AS-Sets whatsoever. Are BGP routes with AS-SETs not
> generally leaked into the wild?

> Is this the case?

I guess they aren't.

> I am under the impression that AS_SETs are generated whenever there
> are some routes that are aggregated.

Yes, but aggregation in the BGP protocol is a relic from the BGP3-to- 
BGP4 transition, AFAIK it's rarely used these days.