OSPF Versus RIP in a Large Internetwork

The best way to understand the intricacies of the OSPF protocol is to compare it with a more familiar interior routing protocol: the Routing Information Protocol version 1 (RIPv1). OSPF implements a Dijkstra Shortest Path First algorithm to populate a routing table, whereas RIPv1 uses the Bellman-Ford distance vector algorithm. Here is a list of the fundamental differences between and features of the RIP and OSPF interior routing protocols:

  • OSPF converges a lot faster than RIPv1 because it propagates changes immediately. This results in more timely and accurate routes as well as fewer packets being lost while the network topology is converging.

  • RIPv2 and OSPF both support Variable Length Subnet Mask (VLSM), ...

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