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IP Routing Fundamentals by Mark A. Sportack

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The Origins of RIP

One of the oldest routing protocols is RIP. RIP uses distance- vector algorithms to calculate routes. This type of algorithm has been used to calculate network routes, in numerous variations, for decades. In fact, the distance-vector algorithms used in today's open standard RIP are based directly on those algorithms used to calculate routes across the ARPANET as far back as 1969.

Note

ARPANETwas the predecessor to the Internet. It was named after the U.S. Department of Defense's (DoD's) Advanced Research Projects Agency (ARPA). ARPA's name vacillated between ARPA and DARPA as the agency struggled with whether to focus exclusively on defense-oriented research.

One of the more persistent misperceptions about RIP is that it ...

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