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Study of Shortest Path Routing Protocols

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Study of Shortest Path Routing Protocols

Study of Shortest Path Routing Protocols

Author Name : Neha Bansal, Himanshu Kaushik

ABSTRACT: The purpose of any routing protocol is to efficiently distribute dynamic topological information among its participants to facilitate routing calculations upon which packet forwarding decisions are then based. Due to the shortage of RIP protocol, OSPF protocol is used in large network. It is a dynamic routing protocol used in Internet Protocol networks. Specifically, it is a link-state routing protocol and falls into the group of interior gateway protocols, operating within a single Autonomous system. OSPF was designed to support Variable-length subnet masking (VLSM) or Classless Inter-Domain Routing (CIDR) addressing models. OSPF detects changes in the topology, such as link failures, very quickly and converges on a new loop-free routing structure within seconds. There are two types of routing-Link State routing and Distance Vector routing. The topology of the network can be generated by collecting the OSPF messages. In this paper, we also give evaluation of OSPF routing protocols for IPv6.