|  | 11.8 | Interior Gateway Protocol (IGP) and Exterior Gateway Protocol (EGP)
| 11.8.1 | Routed protocols and routing protocols
You have learned that protocols are like languages. One protocol that you have been learning about is IP, or the Internet Protocol. You know that IP is a network layer protocol. Because IP is routed over an internetwork, it is called a routed protocol. Examples of other types of routed protocols include Novell's IPX, and Appletalk. - Routers use routing protocols to exchange routing tables and share routing information. In other words, routing protocols determine how routed protocols are routed. Examples of routing protocols include the following: RIP - Routing Information Protocol IGRP - Interior Gateway Routing Protocol EIGRP - Enhanced Interior Gateway Routing Protocol OSPF - Open Shortest Path First