TCP-Vegas Slow Start Performance in Large Bandwidth Delay Network
ICOIN '02 Revised Papers from the International Conference on Information Networking, Wireless Communications Technologies and Network Applications-Part I
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NETWORKING'08 Proceedings of the 7th international IFIP-TC6 networking conference on AdHoc and sensor networks, wireless networks, next generation internet
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We compare the performance of TCP Reno, NewReno, and Selective Acknowledgement (SACK) on the large bandwidth-delay product (LBD) network using the bandwidth-delay product and the bottleneck buffer size as control parameters via ns-2 simulations. The following results are obtained from the simulations. First, increasing the bandwidth-delay product leads to performance degradation regardless of TCP versions and the bottleneck buffer size. Second, NewReno outperforms Reno and SACK when no packet losses occur during the slow-start phase. Finally, increasing the bottleneck buffer size can lead to improve the link utilization, especially as the bandwidth-delay product grows.