[101057] in North American Network Operators' Group
Re:
daemon@ATHENA.MIT.EDU (tariq biziou)
Mon Dec 10 13:59:44 2007
Date: Mon, 10 Dec 2007 13:58:49 -0500
From: "tariq biziou" <tariq.biziou@gmail.com>
To: deepak@ai.net
Cc: sana.sohail@gmail.com, nanog@merit.edu, jabley@ca.afilias.info
Errors-To: owner-nanog@merit.edu
>>> I am looking for a typical percentage of external(inter-domain)
>>> routes versus typical percentage of internal (intra-domain) routes in
>>> a core router with couple of hundred thousand entries in the routing
>>> table. Can anyone please help me in this?
>>
>> I think first you have to decide what a typical AS looks like. The
>> question, as it stands, is too general for any answer to be (in)defensible.
>
> Assuming you are talking about service providers and not their
> enterprise customers, you can probably get a fairly decent number by
> looking at routing announcements for whatever you'd call a typical
> network. Say...
>
> AS (vendor L) routes / total routes or AS (vendor V) / total routes.
It's important to keep in mind that internal deaggregation for
different networks can be very high. /30s may be carried for private
interconnects as an example.
--
--tariq