Performance Reasoning of MANET Routing Protocols Varying Node Density
Dulal Chakraborty1, Jugal Krishna Das2, Md. Imdadul Islam3

1Dulal Chakraborty*, Assistant Professor, Department of Information and Communication Technology, Comilla University, Cumilla, Bangladesh.
2Dr. Jugal Krishna Das, Professor, Department of Computer Science and Engineering, Jahangirnagar University, Savar, Dhaka, Bangladesh. Email:
3Dr. Md. Imdadul Islam, Professor, Department of Computer Science and Engineering, Jahangirnagar University, Savar, Dhaka, Bangladesh 

Manuscript received on November 13, 2019. | Revised Manuscript received on 23 November, 2019. | Manuscript published on December 10, 2019. | PP: 93-102 | Volume-9 Issue-2, December 2019. | Retrieval Number: A4965119119/2019©BEIESP | DOI: 10.35940/ijitee.A4965.129219
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Abstract: The abbreviation of MANET stands for Mobile Ad hoc Network. Nodes in the network can organized and configured by themselves without any kind of permanent infrastructures. All of these extreme features make MANET to be used widely in this contemporary time. In MANET nodes can communicate to each other neither the need of any kind of pre-existing infrastructure like base stations and routers nor any centralized control. Each node be involved in the network can perform both as host along with router. Wireless nodes have the capability of moving freely all over the network at any time. Thus the network topology may reconstruct very quickly over time. This makes the network unreliable and a lot of challenges to the routing of the packets. Routing protocols are used to communicate wireless nodes each other. An efficient protocol will make MANETs reliable. There are three distinct types of MANET routing protocols namely as proactive, reactive routing along with hybrid routing protocols. In these experimentations we have examined all of these categories of routing protocols. We have evaluated Ad-hoc On-demand Distance Vector (AODV) and Dynamic Source Routing (DSR) as reactive, Optimized Link State Routing (OLSR) as proactive, and Geographic Routing Protocol (GRP) as hybrid routing protocols. We have used HTTP traffic over the network designed. OPNET Modeler simulation tool is used to model and simulate the result. In design of the mobility model we have chosen the random waypoint. We have examined delay, network load and throughput of the network varying number of nodes. All of these performance -metrics have considered under light browsing. The comprehensive results show that OLSR has the superior performance for different node densit
Keywords: MANET, Routing protocol, Delay, Network load, Throughput.
Scope of the Article: Routing and Transport Protocols