Hybrid discrete-continuous fluid-flow simulation

Benjamin Melamed; Shuo Pan; Yorai Wardi

doi:10.1117/12.434402

25 July 2001 Hybrid discrete-continuous fluid-flow simulation

Benjamin Melamed, Shuo Pan, Yorai Wardi

Proceedings Volume 4526, Scalability and Traffic Control in IP Networks; (2001) https://doi.org/10.1117/12.434402
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

The fluid-flow paradigm is an alternative approach to the traditional queueing paradigm, where workload movement in a network is described in terms of a fluid metaphor rather than the familiar customer metaphor. Stochastic fluid network models can considerably speed up the simulation of complex flow networks, such as high-speed packet-based telecommunications networks, where traditional queueing-based simulation routinely gives rise to enormous numbers of events. Furthermore, they are also amenable to fast, nonparametric, and unbiased estimation (unlike traditional queueing) of IPA (Infinitesimal Perturbation Analysis) gradients (derivatives of performance measures with respect to various parameters), which may be used to make decisions on network design, replenishment, management or control. This paper outlines the design of a fluid-oriented hybrid simulator admitting both packet flows and fluid flows. It focuses on the fluid processing design and on efficiency issues.

Citation Download Citation

Benjamin Melamed, Shuo Pan, and Yorai Wardi "Hybrid discrete-continuous fluid-flow simulation", Proc. SPIE 4526, Scalability and Traffic Control in IP Networks, (25 July 2001); https://doi.org/10.1117/12.434402

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