• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2015, Volume: 8, Issue: 14, Pages: 1-4

Original Article

Performance Efficiency of OLSR and AODV Protocols in Manets


Objectives: Comparison of performance efficiency of AODV and OLSR routing protocol in MANETs using NS2 tool. The parameters considered and compared for throughput, packet delivery ratio, energy spent and delays. Methods/Analysis: Using NS2, first a sample of 50 nodes was generated and moved move randomly. Dynamic clustering was done within the sample area of 500x500sq.m. 50 nodes were set up as sink nodes and attached a local agent and loss monitor for each node. These nodes were positioned in the sample area. The nodes 17, 28, 35 were set up as source and nodes were set up as destination for transmission of packets, respectively. Findings: The four performance measures were: Energy spent, PDR, end-to-end delay and throughput with number of nodes as constant (50) and with different speed (time) of node like 2,4,6,8,10s are taken for comparison. Transmission of packet was tested using AODV and the performance metrics are traced. Similarly the performance metrics were tested with OLSR protocol. The values were tabulated and a graph was generated for each metric in Y-axis and time in X-axis. Novelty of the Study: A VMware workstation was installed and tested in unix environment using tool command language the modules were created in vi editor. They were executed using ns command. This paper is main module. Further malicious node detection and elimination was done to still prove OLSR outperforms than AODV. Conclusion: In all the above four metrics the OLSR protocol performance is efficient than AODV when data transmission occurs between nodes in MANETs. From the results obtained we can observe OLSR outperforms AODV in all four parameters irrespective of different speed (time).

Keywords: AODV (Adhoc on Demand Distance Vector), MANET (Mobile Adhoc Networks), NS (Network Simulator), OLSR (Optimized Link State Routing Protocol), PDR (Packet Delivery Ratio)


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