In this paper, we propose an IPv6/IPv4 dual DSR protocol for mobile ad hoc networks called DSR-KAMO. DSR-KAMO is the first IPv6 DSR protocol. By using the IPv6 functions, DSR-KAMO conducts address auto configuration and realizes secure communication. We also implement three enhanced mechanisms: Flow State, HoWL, and Internet Connectivity. The purpose of the three mechanisms are to allow an efficient routing, to conduct an efficient Route Discovery, and to access the Internet while in an ad hoc network, respectively. We have implemented a prototype of DSR-KAMO on FreeBSD, and have evaluated its performance with five laptop PCs. In addition to the enhancement of user convenience, the prototype of DSR-KAMO shows promising results in the performance evaluation of the system overhead, delay, and throughput.
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