The idea of implementing a single logical end-to-end connection as a series of cascaded transport connections is introduced and argues that there are several potential advantages to doing so. One possible advantage investigated in this paper is improved throughput via pipeline parallelism. An equation is developed for the throughput of such a split connection as a function of packet loss rate, average round trip time, and the receiver's advertised window. This work builds upon the model developed by Padhye et al. That work is extended by fixing a small error and modeling two TCP connections in series, making the important extension of including slow start in the analysis. This paper validated the analysis by comparing results against ns-2 simulations.
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