>>> 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