Which protocol is used to communicate between client and ISP?

tituxjec

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• Mar 12th, 2009

OSPF is used. Because it is considered to be the most efficient IGP(interior gateway protocol). BGP is more widely used as exterior gateway protocol(EGP).

prabhub

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• Jan 13th, 2009

I would assume BGP to communicate with the ISP and IGP to communicate with the hosts internal to the network

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