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2011•Unpublished venueRequires access

Congestion control algorithm for TCP throughput enhancement

Xu Lina

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Abstract

To enhance TCP throughput in wired/wireless network,a new congestion control algorithm(C-TCP) is proposed based on the constant windows theory.Firstly three phases in C-TCP sender lifetime are analyzed,and a wired/wireless network is designed.Based on NS2 simulation platform,an optimal congestion window for C-TCP is determined and this window is kept constant for the following experiment.Based on no-congestion single TCP link and congestion multiple TCP links,in the context of wireless subnet under both constant bit error rates and burst error,the simulations on throughput are carried out including C-TCP,TCP Reno and TCPW these three algorithms.The results show that C-TCP algorithm is superior to the other two algorithms in throughput.

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What this paper is about

To enhance TCP throughput in wired/wireless network,a new congestion control algorithm(C-TCP) is proposed based on the constant windows theory.Firstly three phases in C-TCP sender lifetime are analyzed,and a wired/wireless network is designed.Based on NS2 simulation platform,an optimal congestion window for C-TCP is determined and this window is kept constant for the following experiment.Based on no-congestion single TCP link and congestion multiple TCP links,in the context of wireless subnet under both constant bit error rates and burst error,the simulations on throughput are carried out including C-TCP,TCP Reno and TCPW these three algorithms.The results show that C-TCP algorithm is superior to the other two algorithms in throughput.

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Available abstract

To enhance TCP throughput in wired/wireless network,a new congestion control algorithm(C-TCP) is proposed based on the constant windows theory.Firstly three phases in C-TCP sender lifetime are analyzed,and a wired/wireless network is designed.Based on NS2 simulation platform,an optimal congestion window for C-TCP is determined and this window is kept constant for the following experiment.Based on no-congestion single TCP link and congestion multiple TCP links,in the context of wireless subnet under both constant bit error rates and burst error,the simulations on throughput are carried out including C-TCP,TCP Reno and TCPW these three algorithms.The results show that C-TCP algorithm is superior to the other two algorithms in throughput.

Key concepts: TCP Westwood plus, Computer science, TCP Friendly Rate Control, CUBIC TCP, TCP global synchronization, TCP acceleration, TCP tuning, Zeta-TCP

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