Abstract
This paper presents an approximation method — Multiservice Overflow Approximation (MOA), to compute traffic loss in multi-tier hierarchical networks with multiservice overflows. With the MOA method, we first obtain the variances of multiservice non-Poisson overflows in each tier by a blocking probability matching approach, and then compute the call blocking probability of multiservice overflow traffic by a modified Fredericks & Hayward’s approximation. The results obtained by the MOA method are verified by simulations. Compared with an existing approximation method based on multi-dimensional Markov-Modulated Poisson Process analysis, the MOA method achieves an accurate estimation of overflow traffic loss at a much lower computational cost, particularly for high-load multi-tier hierarchical networks
The work described in this paper was fully supported by a grant from City University of Hong Kong (Project No. 7001848).
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Huang, Q., Ko, K.T., Iversen, V.B.: Approximation of loss calculation for hierarchical networks with multiservice overflows. Accepted for publication by IEEE Transactions on Communications
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Huang, Q., Ko, KT., Iversen, V.B. (2007). An Approximation Method for Multiservice Loss Performance in Hierarchical Networks. In: Mason, L., Drwiega, T., Yan, J. (eds) Managing Traffic Performance in Converged Networks. ITC 2007. Lecture Notes in Computer Science, vol 4516. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-72990-7_78
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DOI: https://doi.org/10.1007/978-3-540-72990-7_78
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