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On achieving short-term QoS and long-term fairness in high speed networks

On achieving short-term QoS and long-term fairness in high speed networks We address the problem of short term QoS, caused by unexpected nature of traffic and expectation of high utilization, by using measurement based adaptive bandwidth control. We develop a short term QoS guaranteed scheduler, called short term QoS Deficit Round Robin (SQ-DRR), which adapts the allocated bandwidth to guarantee delay constraints. The major appealing aspect of the scheduler is that it guarantees delay constraint for short term aggregate burst traffic violating pre-contracted descriptors at the same time without losing long term fairness. We then evaluate the scheduler performance with and without admission control scheme under non-stationary long-range dependence traffic. The simulation results indicate that the SQ-DRR performs well in single-hop and multi-hop network under dynamic burst traffic conditions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of High Speed Networks IOS Press

On achieving short-term QoS and long-term fairness in high speed networks

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Publisher
IOS Press
Copyright
Copyright © 2004 by IOS Press, Inc
ISSN
0926-6801
eISSN
1875-8940
Publisher site
See Article on Publisher Site

Abstract

We address the problem of short term QoS, caused by unexpected nature of traffic and expectation of high utilization, by using measurement based adaptive bandwidth control. We develop a short term QoS guaranteed scheduler, called short term QoS Deficit Round Robin (SQ-DRR), which adapts the allocated bandwidth to guarantee delay constraints. The major appealing aspect of the scheduler is that it guarantees delay constraint for short term aggregate burst traffic violating pre-contracted descriptors at the same time without losing long term fairness. We then evaluate the scheduler performance with and without admission control scheme under non-stationary long-range dependence traffic. The simulation results indicate that the SQ-DRR performs well in single-hop and multi-hop network under dynamic burst traffic conditions.

Journal

Journal of High Speed NetworksIOS Press

Published: Jan 1, 2004

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