Hi Fabrizio,
my name is Fabrizio Lombardozzi, I've developed a system to monitor inter-AS routing instabilities (route flaps) at the Computer Networks Research Group, of the Roma III University, Italy. The system retrieves BGP data from RIS, and produces interactive graphs and animations using a graph drawing engine and intuitive morphing animations, with a reasonably friendly web graphic user interface (it's an applet). I will be grateful if you could give me some comments and hopefully suggestions.
At the url http://www.dia.uniroma3.it/~compunet/ you will find detailed instructions to start the applet and also a gallery with screenshots and animations.
This is a really nice tool. Two questions: 1. Is there a possibility to filter only paths between 2 AS's? When debugging a problem between AS1 and AS2, I'd like to see updates sent by AS1 that somehow involve AS2, not everything. 2. Data collection seems to take "forever", well, 10 minutes, but still long. Do you have any idea what causes this and would there be any mileage in mirroring/copying the DB, so one doesn't have to do queries over the net? I might have more questions after I've played with this some more. Henk ps. This would be a nice thing to present life at RIPE42 in Amsterdam, late April. ------------------------------------------------------------------------------ Henk Uijterwaal Email: henk.uijterwaal@ripe.net RIPE Network Coordination Centre WWW: http://www.ripe.net/home/henk Singel 258 Phone: +31.20.5354414 1016 AB Amsterdam Fax: +31.20.5354445 The Netherlands Mobile: +31.6.55861746 ------------------------------------------------------------------------------ That problem that we weren't having yesterday, is it better? (Big ISP NOC)