Abstract

One day IPv6 is going to be the default protocol used over the internet. But till then we are going to have the networks which IPv4, IPv6 or both networks. There are a number of migration technologies which support this transition like dual stack, tunneling & header translation. In this paper we are improving the efficiency of IPv6 tunneling mechanism, by compressing the IPv6 header of the tunneled packet as IPv6 header is of largest length of 40 bytes. Here the tunnel is a multi hop wireless tunnel and results are analyzed on the basis of varying bandwidth of wireless network. Here different network performance parameters like throughput, End-to-End delay, Jitter, and Packet delivery ratio are taken into account and the results are compared with uncompressed network. We have used Qualnet 5.1 Simulator and the simulation results shows that using header compression over multi hop IPv6 tunnel results in better network performance and bandwidth savings than uncompressed network.

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