Effective bandwidths: Call admission,traffic policing and filtering for ATM networks |
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Authors: | G de Veciana J Walrand |
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Institution: | (1) Department of Electrical and Computer Engineering, University of Texas at Austin, 78712 Austin, TX, USA;(2) Department of Electrical Engineering and Computer Sciences, University of California at Berkeley, 94720 Berkeley, CA, USA |
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Abstract: | In this paper we review and extend the effective bandwidth results of Kelly 28], and Kesidis, Walrand and Chang 29, 6]. These results provide a framework for call admission schemes which are sensitive to constraints on the mean delay or the tail distribution of the workload in buffered queues. We present results which are valid for a wide variety of traffic streams and discuss their applicability for traffic management in ATM networks. We discuss the impact of traffic policing schemes, such as thresholding and filtering, on the effective bandwidth of sources. Finally we discuss effective bandwidth results for Brownian traffic models for which explicit results reveal the interaction arising in finite buffers. |
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Keywords: | Communication networks effective bandwidths large deviations |
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