Abstract
Mobile ad-hoc networks are autonomous networks of intelligent mobile nodes. Designing an efficient routing protocol with goal efficient route establishment is still a burning research issue. Routing protocols are broadly classified into proactive and reactive protocols on the basis of their nature of working. In this paper, we present comparative simulation analysis of two proactive protocols namely, Optimized Link State Routing (OLSR) and Destination-Sequenced Distance Vector (DSDV). Simulations have been carried out multiple times using Network Simulator-2.35 (NS-2.35), on random scenario patterns and compared in two environments (OLSR and DSDV) by varying the network size and mobility of nodes. We have patched and installed OLSR protocol on NS-2.35 as it‘s not available as a part of NS-2.35 installation. The simulation results indicate that, OLSR perform better than DSDV protocol for application oriented metrices such as packet delivery fraction, packet loss and end-to-end delay. But, Routing Overheads is significantly consistently higher for OLSR protocol in all the cases considered, which is proven experimentally. Furthermore, based upon the simulation results, work can be done in the direction of improving the performance of the OLSR protocol to make it a choice of proactive protocol for large and denser network.
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