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A lot of research on mobile ad hoc networks has focused on the development of routing and transport protocols. Specifically, this research is focused on the performance of TCP over wireless mobile ad hoc networks. Reliable transport protocols such as TCP are tuned to perform well in traditional networks where packet losses occur mostly due to congestion. However, networks in wireless links perform poorly and suffer from losses due to reasons such as bit error and handoffs. TCP responds to all losses by invoking congestion control and avoidance algorithms resulting in degraded end-to-end performance in wireless systems. The paper sets out the basis for research into the design and development of a new algorithm that is integrated with Mobile IPv6 in order to be implemented in future needs, and thus improve the performance of TCP in such networks. It is proposed to use OMNET++ as the simulation tool to compare the performance of TCP using different approaches with that of the general TCP.
Date of Conference: 14-15 Jan. 2003