A scheduling algorithm called queuelengthcontrol is proposed to ensure different quality in each of the traffic flows at a network node. This algorithm determines the control parameters (average queuelength and its...
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A scheduling algorithm called queuelengthcontrol is proposed to ensure different quality in each of the traffic flows at a network node. This algorithm determines the control parameters (average queuelength and its standard deviation) for a queue in advance (and off-line) by using the M/G/1 model based on the delay target of each queue and then schedules based on these control parameters for each queue. A simulation compares this algorithm to other algorithms and demonstrates that the delay target of each traffic flow could be achieved over a broad range. When the control parameters are determined, although the actual packet length distribution and the packet arrival distribution are assumed to be different, a certain level of performance can be achieved. in other words, the presence of superior robust control characteristics is demonstrated. (C) 2003 Wiley Periodicals, Inc.
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