Analytical modelling of multiservice switching networks with multiservice sources and resource management mechanisms

Mariusz Głąbowski () and Maciej Sobieraj ()
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Mariusz Głąbowski: Poznan University of Technology
Maciej Sobieraj: Poznan University of Technology

Telecommunication Systems: Modelling, Analysis, Design and Management, 2017, vol. 66, issue 3, No 15, 559-578

Abstract: Abstract This article proposes a new analytical method of determining occupancy distribution and blocking probability in multiservice switching networks with admission control mechanisms and resource management mechanisms. The proposed method is a universal one, which allows for determining blocking probability using the same model, regardless of the type of admission control mechanisms and resource management mechanisms. The versatility of the method is demonstrated in the article for two selected mechanisms, i.e. a threshold mechanism and a resource reservation mechanisms. The switching networks under consideration are offered multiservice traffic streams, generated by the so-called multiservice sources, according to Erlang, Engset and Pascal distributions. The proposed method is based on a generalised way of determining traffic characteristics for inter-stage links of switching networks with resource and call management mechanisms. Particular attention is given to determining the influence of the introduced mechanisms in outgoing links of the switching network on the traffic properties of inter-stage links of the network. The results of analytical calculations are then compared with the results obtained in digital simulation for a number of selected switching networks.

Keywords: Switching networks; Multiservice traffic; Blocking probability (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s11235-017-0305-4

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