In this thesis, we address the problem of degradation in performance of TCP over wireless links. We propose enhancements to TCP so that it responds to certain control signals from the network. These control signals allow TCP to differentiate packet losses unrelated to congestion from those related to congestion. This enables TCP to react appropriately to different packet losses resulting in improved performance. We developed a network simulator for evaluating the performance of our scheme in a wireless computing environment. Simulation results show that our scheme is successful in substantially improving the performance of TCP over wireless links. The overhead of our scheme is also very low.
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Back to the list of MTech thesesSamir Goel can be reached at samir.goel[AT]gmail.com.