Number of BGP routes a large ISP sees in total
Patrick W. Gilmore
patrick at ianai.net
Wed Apr 18 15:22:18 UTC 2007
On Apr 18, 2007, at 2:43 AM, Mikael Abrahamsson wrote:
> 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.
At least 5, and more than 10 for many prefixes, inside very, very
large networks.
--
TTFN,
patrick
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