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Performance Evaluation of TCP Congestion Control Mechanisms in Wired Networks

S. Bandi*, Balakoteswara**, Shoba Bindu C***

*-** PG Scholar, Department of Computer Science and Engineering, Jawaharlal Nehru Technological University Anantapuramu, Andra Pradesh, India.

*** Associate Professor and Head of the Department, Department of Computer Science and Engineering, Jawaharlal Nehru Technological University Anantapuramu, Andra Pradesh, India.

Periodicity:September - November'2014
DOI : https://doi.org/10.26634/jcom.2.3.3312

Abstract

Transmission Control Protocol (TCP) is the transport layer protocol which is reliable and connection oriented. The beauty of TCP is its congestion control feature. TCP delights the packet losses as an indication of the congestion. TCP is widely used on the internet. There are various congestion control mechanisms that are available based on four basic approaches, such as slow-start, congestion avoidance, fast retransmit and fast recovery. Several TCP variants are used to control and avoid the congestion; these are TCP Tahoe, TCP Reno, TCP Vegas, and TCP New Reno. In this paper, the authors have evaluated the performance of various TCP congestion control algorithms with different Constant Bit Rate (CBR) traffic from the following aspects, based on the number of packets sent, number of packets lost and number of packets dropped. To calculate Packet Delivery Ratio (PDR), average end-end delay and average packet loss are calculated. In order to evaluate the performance of various TCP variants, the authors have used NS-2 simulator and the graphs have been generated using Xgraph.

Keywords

Congestion Control, Constant Bit Rate (CBR), TCP New Reno, TCP Reno, TCP Tahoe, TCP Vegas

How to Cite this Article?

Bandi, S., Balakoteswara, P., and Bindu, C.S. (2014). Performance Evaluation of TCP Congestion Control Mechanisms In Wired Networks. i-manager’s Journal on Computer Science, 2(3), 16. https://doi.org/10.26634/jcom.2.3.3312

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