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The IUP Journal of Computer Sciences :
Congestion Control Analysis Over Wireless Ad Hoc Networks
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Transmission Control Protocol (TCP), the most used transport protocol, performs well over wired networks. As much as wireless network is deployed, TCP should be modified to work for both wired and wireless networks. Since TCP is designed for congestion control in wired networks, it cannot clearly detect non-congestion related packet loss from wireless networks. TCP congestion control plays the key role to ensure stability of the Internet along with fair and efficient allocation of the bandwidth. So, congestion control is currently a large area of research and of concern in the network community. Many congestion control mechanisms have been developed and refined by the researchers aiming to overcome congestion. During the last decade, several congestion control mechanisms have been proposed to improve TCP congestion control. The purpose of this paper is to analyze and compare the different TCP variants, namely, reno, new reno and vegas, under the AODV routing protocol. TCPs robustness is due to its reactive behavior in the face of congestion and the fact that reliability is ensured by retransmissions.

 
 
 

Dense and sparse network, Dropping ratio, Various parameters

 
 
 

Computer Sciences IUP Journal ,MANET, TCP congestion control algorithms, Reno, New reno, Vegas