Limitations of RARP
RARP is the earliest and most rudimentary of the class of technologies I call host configuration protocols, which I describe in general terms in Chapter 59. As the first of these protocols, RARP was a useful addition to TCP/IP in the early 1980s, but has several shortcomings, the most important of which are as follows:
Low-Level Hardware Orientation RARP works using hardware broadcasts. This means that if you have a large internetwork with many physical networks, you need an RARP server on every network segment. Worse, if you need reliability to make sure RARP keeps running even if one RARP server goes down, you need two on each physical network. This makes centralized management of IP addresses difficult.
Manual Assignment
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