The research work deals with performance analysis of TCP flows in presence UDP flows. TCP is responsive networks. Sender TCP increases or decreases its sending rate understanding the congestion status. UDP is non-responsive to network. In this work, CBR flow is a UDP flow which continuously sending the data into network as determined in the beginning till all the data gets exhausted. This characteristic of UDP has a negative effect on TCP flows. We notice the degradation in the performance of TCP. In this experiment, a small data rate of 5 packets per second of UDP flow decreases the throughput performance of TCP by 40% which is a matter of great concern. UDP captures large amount of network resources, and TCP gets deprived of network resources.
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