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Ad hoc wireless networks consist of mobile network without base stations, and are characterized by a host in a highly dynamic network topology. The topology changes frequently due to host migration, signal interference and power outages, making the route maintenance a challenging consideration in designing routing protocols. Most of the existing protocols perform an end-to-end route discovery to establish a new connection for the communication during link breaks. Such route repair mechanism causes high control overhead and long packet delay in a dense network.
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