Trust Based Secured Routing in Wireless Multimedia Sensor Networks

Recent technologies like miniaturization, low cost, low power, devices have attracted active research in Wireless Sensor Networks (WSN´n), which is an emerging technology and finds applications for both public and military. Many unique challenges arise in ensuring the security of sensor nodes and the data they generate. The intent of this paper is to resolve the routing security related issues and (limitations) challenges in sensor networks. These sensor nodes are dynamic in their behaviour, hence routing has to be upgraded at different instants of time. Two parameters are considered while routing, while dividing the sensor nodes into different clusters and ensured with trust and weight of each node to be in the path of routing. Each node has direct and indirect trusts values assigned, which will be used for security check of the node. An algorithm is proposed for detecting suspicious transmission and consequent identification of malicious nodes for disseminating this information in the network. The simulation results shows that, there is lot of reduction in the packet loss, misrouting. Simulation is done in Open source platform using the C++ coding, dynamism is provided to the network such that nodes are moving due to which nodes exhibit different weights, trusts values with change in their path while routing.