Performance evaluation of security routing strategies to avoid DoS attacks in WSN

A Wireless sensor Networks is a collection of simple devices with limited computation and resources. It is used to collect informations that are send back to the user. The sensed informations are real-time data streams for applications such as environmental monitoring, structural engineering, health care, VANET, and aircraft etc. The features of Wireless sensor networks (WSN) is that nodes are randomly deployed in the area where information collection is needed. Thus the security problem is an important issue as they are exposed to attacks and specifically to Denial of Service that can affect the sensor nodes battery lifetime. In this study, we propose and evaluate the performance of a secure routing protocol that take into account the existence of multipath between sender and destination to transmit data in several paths. The proposed protocol have been evaluated using stochastic automata networks formalism.