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

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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.
Publisher
IOS PRESS
Issue Date
2004
Language
English
Article Type
Article
Keywords

DYNAMIC BANDWIDTH ALLOCATION; CALL ADMISSION CONTROL; TIME VBR VIDEO; ROUND-ROBIN; ATM; ALGORITHMS; MODEL

Citation

JOURNAL OF HIGH SPEED NETWORKS, v.13, no.3, pp.233 - 248

ISSN
0926-6801
URI
http://hdl.handle.net/10203/78890
Appears in Collection
EE-Journal Papers(저널논문)
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