Profiling TCP Traffic in Optical Burst Switching Networks

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Abstract

The efficient transmission of TCP traffic over OBS networks is a challenging problem, due to the high sensitivity of TCP congestion control mechanism to losses. In this paper, a traffic profiling scheme is proposed for gathering TCP flow statistics, which are used to estimate steady-state performance of TCP traffic over OBS networks. The burst assembly unit, in parallel to the assembly process, can inspect TCP traffic, keeping traffic statistics that can be used for throughput estimations. In this paper, we detail the traffic profiling and estimation mechanism and also provide analytical and simulation results to assess its performance.