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en.wikipedia.org/wiki/Link-state_routing_protocol
Posted by crouse
Link State algorithms are also known as Shortest Path First (SPF) algorithms. SPF recreates the exact topology of the entire network for route computation by listening at the first hand information. Link State takes bandwidth into account using a cost metric. Link State protocols only send updates when a change occurs, which makes them more attractive for larger networks. Bandwidth and delay are the most heavily weighed parts of the metric when using Link-State protocols. EX: OSPF and NLSP.
Benefits of Link State protocols:
1. Allows for a larger scalable network
2. Reduces convergence time
3. Allows "super netting
Posted by elie
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