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Re: 2006.06.05 NANOG-NOTES BGP tools BOF notes
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...