Performance Evaluation of AODV, DSR, TORA and OLSR in with Respect to End-to-End Delay

: Aggressive research in this area has continued since then, with prominent studies on routing protocols such as AODV, DSR, TORA and OLSR. In this paper, we evaluate the performance of AODV, OLSR, DSR and TORA ad hoc routing protocols in OPNET. In addition, the mobile nodes were randomly placed in the network to provide the possibility of multihop routes from a node to the server. The performance of these routing protocols is evaluated with respect to end-to-end delay. OLSR outperforms AODV, DSR and TORA in terms of end-to-end delay Varying traffic volumes or speeds in the network, leaves OLSR superior in terms of end-to-end delay. OLSR build and maintains consistent paths resulting in low delay. The results in this study also confirm TORA’s inability to handle rapid increases in traffic volumes. TORA performs well in networks where the volume of traffic increases gradually.