2006.06.05 NANOG-NOTES BGP tools BOF notes

Sat Jun 10 06:10:15 UTC 2006

On Wed, 7 Jun 2006, Bruno Quoitin wrote:

>
> Matthew Petach wrote:
> > Q: Randy Bush.  Common problem we all face.  I'm at 42
> > peering points; my neighbors are X.  I have route views
> > dumps, I have my BGP dumps.  I have my netflow data.
> > Want a whatifatron that shows what happens to my
> > traffic if depeer someone, or add someone, or
> > peer with SingTel in singapore, or stop peering
> > with Joe in SF.
> > That's a question many operators ask every day.
>
> We have such a whatifatron. We used it for instance to investigate the
> impact of peering/depeering on routing and on traffic in various ISP
> networks including a large european transit network. Our tool is called
> C-BGP and some of the what-if scenarios we performed on the GEANT
> network were described recently in an IEEE Network paper entitled
> "Modeling the routing of an Autonomous System with C-BGP" (November 2005).
>

Additionally, Richard Steenbergen has this:

http://www.nanog.org/mtg-0510/steenbergen.html

to say about this subject, the talk seemed cool, the tool is on
sourceForge I believe...