Analysis of Table Driven and On-demand Routing Protocols for Mobile Adhoc Networks

ABSTRACT: Wireless communication technology is emerging as the most effective tool in the field of communication and networking technologies. A wireless ad hoc network is a decentralized wireless network. Software Simulator is an effective tool to be used to analyze complex network architectures, routing protocols and network topologies. Global Mobile Information Systems simulator is chosen to perform the simulation results from various types of network simulators available in this work. It is a scalable simulation tool for large wireless and wireline communication systems. In mobile adhoc networks each node of the network acts as router and packet forwarder. Therefore, bandwidth and power constraints are major issues in wireless multihop networks. In the last decade, on-demand protocols, which built routes have been proposed. In this work, a performance comparison of different table driven and on-demand routing protocols have been done. The performance analysis of DBF, a table driven protocol is compared with the on demand DSR routing protocol. The quantitative measure and the performance comparison of DBF and DSR analysis using simulation in common environment using GLOMOSIM is taken up in this work. This work intends to analyze the different network parameters like control overhead, data throughput, end to end delay using simulation techniques. The simulation parameters were analyzed using the different parameters of the network viz. network nodes equal to 30, separated at a distance of 25m × 25m having transmission radius of 10 m with Random Movement of network nodes, Static Time of 10 sec, Channel capacity of 1.5 M bits/sec and MAC protocol IEEE 802.11 Distributed Coordination function. The simulation results show that the Dynamic Source Routing based on On-demand routing protocol techniques, outperforms the Distributed Bellman Ford model based on table driven routing protocol technique. I