ABSTRACT

With easy access and many services such as social networks, online shopping, video streaming the data traffic over the Internet is increasing. On the other side, the traditional congestion control strategies of TCP due to the huge data are not sufficient. The TCP protocol uses such traditional techniques to minimize the network congestion. Moreover, handling applications with smartphones is challenging in terms of congestion due to the long delay networks such as 40. Many TCP variants have been proposed for the network congestion particularly for long delay networks such as TCP BIC and TCP CUBIC. These proposed techniques for TCP are also not perfect and they require extensive experimentation over long delay networks.
In this research, the performance evaluation is accomplished between three variants of TCP for network congestion i.e., TCP, TCP BIC and TCP CUBIC. Particularly the simulations are proposed in order to trace the throughput and fairness of these congestion control techniques. Over a
number simulations it is concluded that under the proposed topology TCP CUBIC improves the throughput and increases the bandwidth fairnesse approximately by 38% when compared with the basic TCP.