Another approach to asymptotic expansions for large closed queueing networks

Authors:
Yaakov Kogan
Affiliations:
Faculty of Industrial Engineering and Management, Technion-IIT, Haifa, Israel
Venue:
Operations Research Letters
Year:
1992

Citing 2
Cited 0

Asymptotic expansion for large closed queuing networks

Journal of the ACM (JACM)
Asymptotic analysis of closed queueing networks with bottlenecks

Proceedings of the IFIP WG 7.3 International Conference on Performance of Distributed Systems and Integrated Communication Networks

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Abstract

We consider the same closed Jackson network as in Knessl and Tier [3]. It consists of a large number of customers, a single infinite server queue and a large number of single server queues with constant service rates. Asymptotic expansions for the normalization constant (partition function) are derived by the saddle point method from its integral representation in the complex space. In contrast with [3] such an approach provides a rigorous and simple derivation for the dominant term.