TCP Vegas’ adaptive CWND in wireless IPv4 and IPv6 networks
Yew, B. S.
Ong, Bi Lynn, Dr.
R. Badlishah, Ahmad, Assoc. Prof. Dr.
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In a network, TCP sends burst of data during its initial state due to the aggressive increase of congestion window (CWND) size. The aggressive increase in congestion window size causes traffic overload. In our work, we proposed an adaptive increase of CWND in TCP Vegas congestion control mechanism. TCP Vegas is a well known delay based mechanism that outperforms other TCP variants. We test our proposed scheme in wireless IPv4 and IPv6 networks by using Network Simulator 2 (ns2). Our simulation results show that the adaptive increase of TCP Vegas’ CWND improves the performance of TCP.