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2003
IEEE

Flow Level Simulation of Large IP Networks

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Flow Level Simulation of Large IP Networks
— The aim of this paper is to simulate the interaction of a large number of TCP controlled flows and UDP flows sharing many routers/links, from the knowledge of the network parameters (capacity, buffer size, topology, scheduling) and of the characteristics of each TCP (RTT, route etc.) and UDP flow. This work is based on the description via some fluid evolution equations, of the joint evolution of the window sizes of all flows over a single bottleneck router/link, as function of the synchronization rate. It is shown that the generalization of this fluid dynamics to a network composed of several routers can be described via equations allowing one to simulate the interaction of e.g. millions of TCP flows on networks composed of tens of thousands of links and routers on a standard workstation. The main output of the simulator are the mean value and the fluctuations of the throughput obtained by each flow, the localization of the bottleneck routers/links, the losses on each of t...
François Baccelli, Dohy Hong
Added 04 Jul 2010
Updated 04 Jul 2010
Type Conference
Year 2003
Where INFOCOM
Authors François Baccelli, Dohy Hong
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