TCP variants and transfer time predictability in very high speed networks

Abstract : In high performance distributed computing applications, data movements havedemanding performance requirements such as reliable and predictable delivery.Predicting the throughput of large transfers is very difficult in paths thatare heavily loaded with just a few big flows. This report explores how currenthigh speed transport protocols behave and may improve transfer time predictabilityof gigabits of data among endpoints in a range of conditions. In afully controlled long distance 10 Gbps network testbed, we compare severalTCP variants behaviour in presence of diverse congestion level and reversetraffic situations. We show that these factors have a very strong impact ontransfer time predictability of several transport protocols.
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Romaric Guillier, Sébastien Soudan, Pascale Vicat-Blanc Primet. TCP variants and transfer time predictability in very high speed networks. [Research Report] LIP RR-2007-37, Laboratoire de l'informatique du parallélisme. 2007, 2+25p. ⟨hal-02102601⟩

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