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The Dynamic Source Routing Protocol (DSR) is one of the most reliable and effective protocols in the Mobile Ad-hoc Networks (MANETs). It is also one of the few MANET protocols whose routing scheme can easily be optimized. But the routing overhead generated by its routing algorithm still leaves substantial amounts of energy being wasted. Route REQuest (RREQ) and Route Maintenance packets generate overhead control packets that occupy bandwidth, consume energy and may overwhelm a network if not controlled. This paper proposed EEDSR, an extension of DSR that reduces routing overhead by limiting the number of route discovery and maintenance packets in the MANET.
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