Improving Network Efficiency by Selecting and Modifying Congestion Control Constraints - Communications and Network

CN > Vol.6 No.2, May 2014

Improving Network Efficiency by Selecting and Modifying Congestion Control Constraints ()

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DOI: 10.4236/cn.2014.62013 4,770 Downloads 6,545 Views Citations

Author(s)

Saleem Ullah, Faisal Shahzad, Shahzada Khurram, Waheed Anwer

Affiliation(s)

Department of Computer Science & IT, The Islamia University of Bahawalpur, Bahawalpur, Pakistan.

ABSTRACT

Congestion in wired networks not only causes severe information loss but also degrades overall network performance. To cope with the issue of network efficiency, in this paper we have pro- posed and investigated an efficient mechanism for congestion control by the selection of appropri- ate congestion window size and proactive congestion avoidance, which improves system overall performance and efficiency. The main objective of this work is to choose the accurate size of con- gestion window based on available link bandwidth and round trip time (RTT) in cross and grid topologies, instead of choosing number of hops (Previous researches), we have achieved significant improvement in the overall performance of the network. General simulation results under distinctive congestion scenarios are presented to illuminate the distinguished performance of the proposed mechanism.

KEYWORDS

Congestion Avoidance, Congestion Control, Congestion Window (cwnd), Network Performance

Share and Cite:

Ullah, S. , Shahzad, F. , Khurram, S. and Anwer, W. (2014) Improving Network Efficiency by Selecting and Modifying Congestion Control Constraints. Communications and Network, 6, 105-111. doi: 10.4236/cn.2014.62013.

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