TCP congestion control is being in a dilemma of if it should reckon on routers. Network measurement technology promises a different resolution. By analyzing several important schemes, a measurement-based TCP congestion control scheme basing on Fast is proposed. The basic idea is to introduce a macroscopical guidance layer upon end systems to determine for them appropriate parameter values according to the measured performance of network backbone. Simulation results indicate that this scheme can get a more steady power than Fast by having the bottleneck queue tend to a fixed length under no presumptions upon routers. Finally, the implemented measurement system is briefly introduced.
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