Abstract
Secure routing is unceasing thought-provoking topic in Vehicular Ad Hoc Networks (VANETs) in view of the essential characteristics of these networks, notably strong mobility of the nodes, highly dynamic and specific topology, significant loss rate and very short duration of communications. Indeed, every secure routing protocol ought to adjust its operation in order to fulfill V ANETs requirements and to provide a better secure level. Integrating Route Life Time policy (RLT) to AODV and DSR routing protocols is one of these adjustments. This policy aims to enhance the overall route lifetime. Trust Cryptographic Secure Routing (TCSR) protocol is another proposal for safe routing based on the choice of the most reliable node during the routing process. In this paper, we propose a comparative study of AODV-RLT, DSR-RLT and TCSR routing protocols to assess their performances. The simulation results show that TCSR protocol outperforms AODV-RL T and DSR-RLT in terms of verification delay and average throughput.
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