Abstract
Adhoc network is collection of wireless mobile nodes dynamically forming a temporary network without the use of existing network infrastructure of centralized administration. Each node acts as a router by itself and forwards all the packets which it receives. This concept is basically useful when there is a very high link failure due to migration of nodes from the available network region. There is a frequent link failure in adhoc networks, which causes packet to be lost or packets doubts to reach destination. In this scenario a different mechanism and scheme is proposed and implemented to make the important time critical data like real time or voice data to reach the destination without any loss. The mechanism used is a special propagation which propagates a unique kind of parallel route discovery for real time application scenario to send the time critical data safely. The scheme used is temporary parallel route recovery builds a temporary parallel path between the nodes during link failure. The important node then forwards the buffered packets to the destination without any loss which is on-demand based on type of information a node forwards. Special buffer is allocated and simulated by using a simulation tool NS-2. This extensive mode is compared with standard models performance metrics such as packet delivery ration, routing overheads and average delay are analyzed.
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