The Exterior Gateway Protocol (EGP) was a routing protocol used to connect different autonomous systems on the Internet from the mid-1980s until the mid-1990s, when it was replaced by Border Gateway Protocol (BGP).

History

EGP was developed by Bolt, Beranek and Newman in the early 1980s. It was first described in RFC and formally specified in RFC

RFC outlined a migration path from EGP to BGP.

See also