Chapter 3

Routing Protocols: Framework and Principles

There is nothing so annoying as to have two people talking when you're busy interrupting.

Mark Twain


Routing protocols are mechansims by which routing information is exchanged between routers so that routing decisions can be made. In the Internet, there are three types of routing protocols commonly used. They are: distance vector, link state, and path vector. In this chapter, we present the basic concepts and fundamentals behind each of these three types of protocols in a generic framework. Routing protocols, being distributed mechanisms, can face pitfalls during a transient period such as looping. Thus, we also discuss such issues and how various efforts are made to address ...

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