Exterior Gateway Protocol
It was first described in RFC 827 and formally specified in RFC 904 (1984). EGP is a simple reachability protocol, and, unlike modern distance-vector and path-vector protocols, it is limited to tree-like topologies.
During the early days of the Internet, EGP version 3 (EGP3) was used to interconnect autonomous systems. Currently, BGP version 4 is the accepted standard for Internet routing and has essentially replaced the more limited EGP3.
See also 
- TCP/IP Exterior Gateway Protocol (EGP) EGP Overview by The TCP/IP Guide
|This computer networking article is a stub. You can help Wikipedia by expanding it.|