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2010

An analytic throughput model for TCP NewReno

9 years 9 months ago
An analytic throughput model for TCP NewReno
—This paper develops a simple and accurate stochastic model for the steady-state throughput of a TCP NewReno bulk data transfer as a function of round-trip time and loss rate. Our model builds upon extensive prior work on TCP Reno throughput models but differs from these prior works in three key aspects. First, our model introduces an analytical characterization of the TCP NewReno fast recovery algorithm. Second, our model incorporates a more accurate formulation of NewReno’s timeout behaviour. Third, our model is formulated using a flexible twoparameter loss model that can better represent the diverse packet loss scenarios encountered by TCP on the Internet. We validated our model by conducting a large number of simulations using the ns-2 simulator and by conducting emulation and Internet experiments using a NewReno implementation in the BSD TCP/IP protocol stack. The main findings from the experiments are: (1) the proposed model accurately predicts the steady-state throughput f...
Nadim Parvez, Anirban Mahanti, Carey L. Williamson
Added 31 Jan 2011
Updated 31 Jan 2011
Type Journal
Year 2010
Where TON
Authors Nadim Parvez, Anirban Mahanti, Carey L. Williamson
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