Chapter 10. Interior Gateway Routing Protocol
Routing Information Protocol's (RIP's) success proved the viability of using distance vectors to calculate routes within autonomous systems. Unfortunately, as more (and larger) organizations embraced routing, and the Internet Protocol (IP), the limitations of RIP became increasingly apparent. During the early 1980s, Cisco Systems saw an opportunity in the marketplace for an improved distance-vector routing protocol, one that was simultaneously more scalable and feature-rich than RIP.
Cisco's response to this market need was the development of Interior Gateway Routing Protocol (IGRP). IGRP was explicitly designed to be as easy to use as RIP, yet without any of RIP's operational limitations. IGRP ...
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