Synopsis
Reliable transport protocols are always in great demand for successful communication in networks. TCP is among one of such protocols that is tuned to perform well in traditional networks. TCP is also intended for use as a highly reliable end-to-end transport protocol for transporting applications such as World-Wide Web (WWW) between hosts in packet-switched computer communication networks. But sometimes packet losses occur because of congestion over the networks. TCP was originally designed for wired links where the error rate is really low and actually assumed that packet losses are due to congestion in the network. TCP responds to all types of losses by invoking congestion control and avoidance algorithms, resulting in degraded end-to-end performance to some extend. Accordingly, in a bid to show and determine the possibility of adapting TCP protocol for optimal performance on the fixed wired link, this dissertation reviews and models the different TCP variants (TCP Tahoe, TCP NewReno, TCP SACK and TCP Vegas). Thus with a view to evaluate the various performance metrics and analysis of TCP versions, a fixed wired topology is implemented using NS-2 Network simulator. The results are analyzed using PERL (Practical Extraction and Report Language) scripts to calculate performance metrics like throughput, packet loss, and delivery ratio etc. as a means for comparison.
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Evaluation of TCP Variants over fixed wired topology Using NS-2
Vendeur : Revaluation Books, Exeter, Royaume-Uni
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Paperback. Etat : Brand New. 56 pages. 11.00x8.50x0.14 inches. In Stock. N° de réf. du vendeur zk1728646650
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Expédition depuis Royaume-Uni vers Etats-Unis
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