Chapter 49. Routing Information Protocol

Objectives

  • Name RIP's stability features.

  • Explain the significance of RIP's timing mechanisms.

  • Describe the differences between RIP and RIP 2.

Background

The Routing Information Protocol, or RIP, as it is more commonly called, is one of the most enduring of all routing protocols. RIP is also one of the more easily confused protocols because a variety of RIP-like routing protocols proliferated, some of which even used the same name! RIP and the myriad RIP-like protocols were based on the same set of algorithms that use distance vectors to mathematically compare routes to identify the best path to any given destination address. These algorithms emerged from academic research that dates back to 1957.

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