Exterior Gateway Protocols: EGP and BGPv4 :: Chapter 10. ISP Connectivity with BGPv4-An Exterior Gateway Path-Vector Routing Protocol for Interdomain Routing :: Integrated cisco and unix network architectures :: Networking :: eTutorials.org
IGP vs EGP
1 Network Architecture and Design Routing: Exterior Gateway Protocols and Autonomous Systems Border Gateway Protocol (BGP) Reference D. E. Comer, Internetworking. - ppt download