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Re: Modelling a large ISP network with C-BGP
From: Alain Hebert <ahebert () pubnix net>
Date: Thu, 02 Feb 2006 15:34:55 -0500


   Hi,

Didnt say it was... it just that it came off the blue... (its started in 2003).

   Snapshot dont compile yet on Freebsd.

But those do: libgds-1.1.8-rc2.tar.gz <http://cbgp.info.ucl.ac.be/downloads/libgds-1.1.8-rc2.tar.gz> (May 17th, 2005), cbgp-1.1.20-rc2.tar.gz <http://cbgp.info.ucl.ac.be/downloads/cbgp-1.1.20-rc2.tar.gz> (May 17th, 2005)

I did spend a hour with the soft:

   . it is all the quality of good software...

   . small binaries...

   . fast...

. large memory usage for simulation... (~128M for "valid-topology (July 15th, 2004)")

Where I could use it:

Well, I can see it being used in a Net Dept (of a ISP with heavy use of IP routing and BGP) to check pre-depolyement of a new site... Simulation of the impact of a maintenance... etc.

I fail to see a usage for smaller ISP that are using BGP only for peering and OSPF internaly.

I would like to feed the full routing table, and zerba/quagga/bgp logs, or route-views data to see a play by play of evenements... and being able to inject command to try to control a evenement to reduce the impact on the net...
   (that would have been cool)

   Have fun...

Randy Bush wrote:

I'm I alone to find this a bit spammy?

announcement of a free, open-source, and looking very useful tool
for operators looks like one of the most important messages i have
read on these lists this week.

randy



--
Alain Hebert ahebert () pubnix net PubNIX Inc. P.O. Box 175 Beaconsfield, Quebec H9W 5T7
tel 514-990-5911   http://www.pubnix.net    fax 514-990-9443


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