Asymptotic bounds of throughput in series-parallel queueing networks

Asymptotic bounds of throughput in series-parallel queueing networks

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Article ID: iaor19961464
Country: United Kingdom
Volume: 22
Issue: 10
Start Page Number: 1057
End Page Number: 1073
Publication Date: Dec 1995
Journal: Computers and Operations Research
Authors: ,
Keywords: queueing networks
Abstract:

The authors propose a piece-wise linear upper bound on the throughput rate from a network of series-parallel queues where arrivals occur through a single infinite queue. This bound is tight and is observed to be extremely accurate in forecasting the actual throughput rate. The authors also describe the monotonicity of throughput as a function of the arrival rate and specify a condition under which the upper bound may be computed. They approximate analytically the throughput measured as a function of the arrival rate for two tandem exponential queues where the first queue has an infinite buffer while the second queue has a finite buffer. The authors extend this analysis to elementary split and merge queueing networks. They demonstrate the generality and robustness of this asymptotic property, for larger series-parallel networks with general service times and specify the set up of a single simulation experiment which can be used to retrieve the throughput for any arrival rate, as well as other network performance measures.

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