Institute for Systems Research Technical Reports

Permanent URI for this collectionhttp://hdl.handle.net/1903/4376

This archive contains a collection of reports generated by the faculty and students of the Institute for Systems Research (ISR), a permanent, interdisciplinary research unit in the A. James Clark School of Engineering at the University of Maryland. ISR-based projects are conducted through partnerships with industry and government, bringing together faculty and students from multiple academic departments and colleges across the university.

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    Optimal Multilevel Feedback Policies for ABR Flow Control using Two Timescale SPSA
    (1999) Bhatnagar, Shalabh; Fu, Michael C.; Marcus, Steven I.; ISR
    Optimal multilevel feedback control policies for rate based flow controlin available bit rate (ABR) service in asynchronous transfer mode (ATM)networks are obtained in the presence of information and propagationdelays, using a numerically efficient two timescale simultaneousperturbation stochastic approximation (SPSA) algorithm. Convergenceanalysis of the algorithm is presented. Numerical experiments demonstratefast convergence even in the presence of significant delays and largenumber of parametrized policy levels.