Number of BGP routes a large ISP sees in total

Mikael Abrahamsson swmike at swm.pp.se
Wed Apr 18 06:43:22 UTC 2007


On Tue, 17 Apr 2007, Yi Wang wrote:

> sense about the average (e.g., about 5? 10? 20?), as for a "large" ISP.

Well, if you're interconnecting with other large ISPs in 5 places then 
you'll get each prefix at least 5 times. Having 5 eBGP sessions between 
two ASes is quite common if both are large ISPs. So yes, I'd say that 
between 5-10 is quite common.

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se



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