ATTRIBUTES OF BGP
The Border Gateway Protocol (BGP) is an interautonomous system protocol and is a relatively new addition to the family of routing protocols (it has seen use since 1989, but not extensively until the last few years). Today, it is the principal route advertising protocol used in the Internet for external gateway operations. Figure 7-1 shows a BGP topology, and some key terms.
Figure 7-1. BGP AS Links and Path Tree
BGP has a number of advantages over its predecessor, the External Gateway Protocol (EGP). First, it can operate with networks with looped topologies. Second, as a result of this advertising, a node that receives more ...
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