Mobile Ad-hoc networks (MANETs) are selforganizing
networks which can form a communication network
without any fixed infrastructure. Recently, MANET has gained
popularity in many different applications having different
mobility models and traffic patterns. There are several traffic
patterns such as Exponential Probability Distribution, Pareto
Probability Distribution, and Constant Bit Rate (CBR). The
traffic pattern and number of nodes are plays an important role
in the performance of a routing protocol. This paper will assess
the performance of mobility models and traffic patterns for
three routing protocols which are Reactive (AODV), Proactive
(OLSR) and hybrid (TORA) for different traffic generators
CBR, Exponential and Pareto traffic patterns with Random
Way Point mobility model using different number of nodes.
The performance of these routing protocols is analyzed with
respect to three parameters that are packet drop, throughput and
End-to-End Delay conducted using OPNET simulator. The
conducted results show good ranking of routing protocols
depending on both mobility models and traffic patterns.
Dr. Sharaf Abdulhak Alhomdy : born
on 20/01/1971, Alsena, Taiz, Republic
of Yemen. He has got his Ph.D. in
Computer Science, Pune University,
India, 2009. He was an Aassistant Prof.
in IT Department, Faculty of Computer
and Information Technology (FCIT),
Sana'a University since 2009 upto 2015.
Crentally, he is promoted to Associate Professor in June
2015, FCIT, Sana'a University, Yemen. He was a Vice-Dean
for students' affairs, FCIT, Sana’a Univesity, Yemen, (2012-
2016). He is an author's of a number of papers.
Ali A. Abo-Alregal, : born on
1/1/1990, Albaidha, Republic of Yemen.
Presently, he is a Postgraduate Student,
Department of Information Technology,
Faculty of Computer and Information
Technology, Sana'a University, Yemen.
He has got his B.Sc in Information
Technology, Thamar University,
Republic of Yemen, 2012. He is an Assistance Teaching in
IT.
In the recent years, MANETs have gained the popularity
in many various applications having different mobility
models and traffic patterns. The traffics patterns play an
important role in the performance of routing protocols.
In this paper, the traffic model determines the
performance analysis of three routing protocols (AODV,
OLSR and TORA) with different traffic patterns. The
simulation results observed that the performance of
AODV routing protocol in terms of throughput is better
with CBR traffic model. Whereas, in case of packet drop
the Exponential traffic model gives the good
performance for AODV. Also PARETO traffic model is
the good choice for End-to-End delay metric to enhance
performance of AODV. Therefore, the results show that
AODV routing protocol performs better in CBR,
PARETO and EXPONENTIAL traffic patterns in terms
of throughput and end-to-end delay compared to the
other two protocols. In general, the conducted results show
that the good ranking of routing protocols depending on both
mobility models and traffic patterns. Future work will
extend the study on more routing protocols.
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