https://en.wikipedia.org/wiki/Routing_protocol
Types. Although there are many types of routing protocols, three major classes are in widespread use on IP networks: . Interior gateway protocols type 1, link-state routing protocols, such as OSPF and IS-IS; Interior gateway protocols type 2, distance-vector routing protocols, such as Routing Information Protocol, RIPv2, IGRP.; Exterior gateway protocols are routing protocols used on …