Hi- a question that i hope is not too off topic for this list. The convention (to transmit BGP acquired routes cross network) is to use IBGP in transit nets. IBGP is chosen to spare the IGP-related complications caused by needing to carry large numbers of BGP routes if an IGP were used to do so , and not IBGP. If the scenario is one where 1) the number of BGP routes at each border gateway may be much lower than for the commercial internet 2)the transit network consists of relatively mobile nodes -thus making tcp meshes rather tricky to maintain- what scales (total no of routes across all border routers) is it worth considering an IGP such as OSPF to carry BGP routes across the transit net? thanks
Padma Krishnaswamy
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Padma Krishnaswamy
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