An Enhancement of Reliable Reactive Protocol for Secure Packet Transmission

In a wireless sensor network the main problem is signal loss. The sensor nodes have a limited storage, transmission range and their energy resources, Reactive Routing protocols for wireless sensor networks are responsible for maintaining the routes in the network and have to ensure reliable multi-hop communication under these conditions. Reliability of routing protocols by incorporating fault tolerance scheme is significantly important to identify the failure of data link and sensor nodes and recover the transmission path. The main idea is to maintain a bakeoff scheme during the route discovery phase to find a robust guide path, also consider the guide nodes. In case of any failure occurs, that time to take intermediate node to discover the new path also the destination also search the best path to send back the acknowledgment. By using this technique packets are greedily progressed towards the destination without knowing the location information. So this method will enhance the packet delivery ratio.