Abstract
MANET stands for Mobile Ad-Hoc network which means an on-demand network with n number of mobile nodes, each connected to one another through wireless connections. These networks has many advantages over the traditional wireless networks such as ease of setting up, no need for infrastructure etc. Due to the presence of mobility in the MANET, the interconnections between stations are likely to change on a continual basis, resulting in frequent changes of network topology. The transport control protocol (TCP) is responsible for providing reliable data transport in the Internet. As a matter of fact, it is extensively tuned to providing high-quality performance in the conventional wired network. However, it cannot offer reliable service while using e-mail, internet search, several application file transmission in a mobile Ad-hoc network. Several studies reveal that TCP does not perform as well in a mobile environment as it does in other networks. There are several factors that affect the TCP performance in MANETs, such as dynamic topology, shared medium, signal fading and high bit errors. , there are other factors like network size, network load, bandwidth and signal strength that affect the performance of the MANET routing protocols. Therefore, a detailed analysis is required in order to gain an insight of these factors that determine the performance of the routing protocol. So in this paper we will be discoursing different aspects of the network design. The measurements were taken in the light of throughput, end to end delay etc using DSR and AODV protocols of MANET. Simulation is done in Optimized Network Engineering Tool14.5 (OPNET 14.5).
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