Networking Fundamentals by Gordon Davies

Author:Gordon Davies [Gordon Davies]
Language: eng
Format: epub
Tags: COM043040 - COMPUTERS / Networking / Network Protocols, COM060030 - COMPUTERS / Networking / Intranets and Extranets, COM061000 - COMPUTERS / Client-Server Computing
Publisher: Packt Publishing
Published: 2019-12-17T06:45:12+00:00

Figure 7.10: Choosing a route based on distance

Surely, it would be better to go the faster route? We'll now look at link state protocols, which actually consider more factors than just the number of hops

Link state protocols

Link state protocols do not base their routing decisions purely on distance, but can factor in attributes such as the bandwidth of the connection, delay, jitter, and load. Each protocol will use one or more of these values in its routing algorithm to identify the best path. Unlike distance vector protocols, link state protocols exchange everything in terms of the state of each link and form a roadmap of the network to decide routes based on that information.

Protocols that fall under the guise of link state routing protocols include the following:

Open Shortest Path First (OSPF)

Intermediate System to Intermediate System (IS-IS)

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