The Direct Method of Effective Availability for Switching Networks with Multi-Service Traffic

Slawomir HANCZEWSKI  Maciej SOBIERAJ  Michal Dominik STASIAK  

IEICE TRANSACTIONS on Communications   Vol.E99-B    No.6    pp.1291-1301
Publication Date: 2016/06/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.2015EUP0009
Type of Manuscript: Special Section PAPER (Special Section on European ICT R&D Project Activities on Broadband Access Technologies in Conjunction with Main Topics of 2015 IEICE ICT Forum)
switching networks,  effective availability,  multi-service systems,  

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This article presents a novel, approximate method that makes it possible to analyse multi-service switching networks. The method belongs to the group of the so-called effective availability methods and is characterized by very high accuracy for single-service and multi-service switching networks alike. The operation of the proposed method is presented with an example of a number of three-stage switching networks with different ways of the execution of inter-stage connections. A comparison of analytical and simulation results confirms high accuracy of the proposed method that is independent of the structure of a switching network.