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Analysis of IMS/NGN Call Processing Performance Using Phase-Type Distributions Based on Experimental Histograms

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Information Systems Architecture and Technology: Proceedings of 38th International Conference on Information Systems Architecture and Technology – ISAT 2017 (ISAT 2017)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 656))

Abstract

The paper describes our further research done with the proposed analytical and simulation traffic models of the Next Generation Network (NGN), which is standardized for delivering multimedia services with strict quality and includes elements of the IP Multimedia Subsystem (IMS). The aim of our models of a single IMS/NGN domain is to evaluate two standardized call processing performance parameters, which appropriate values are very important for satisfaction of users and overall success of the IMS/NGN concept. These parameters are mean Call Set-up Delay E(CSD) and mean Call Disengagement Delay E(CDD). Our latest investigations concern improving the conformity of the analytical results and experimental results obtained using the simulation model, which implements the operation of real network elements according to current standards and research. In this paper the results of calculations using PH/PH/1 queuing systems are presented, in which arrival and service distributions are phase-type distributions computed using maximum likelihood and distance minimization fitting algorithms based on experimental histograms. Presented latest results are compared to these obtained using other, previously investigated queuing systems. Additionally, computational complexity of all examined queuing systems is analyzed. As a result, some general remarks concerning all tested queuing systems and their applicability to NGN are provided.

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Authors and Affiliations

  1. Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, 11/12 Narutowicza Street, 80-233, Gdańsk, Poland

    Sylwester Kaczmarek & Maciej Sac

Authors
  1. Sylwester Kaczmarek
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  2. Maciej Sac
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Corresponding author

Correspondence to Sylwester Kaczmarek .

Editor information

Editors and Affiliations

  1. Department of Computer Science, Faculty of Computer Science and Management, Wrocław University of Science and Technology, Wrocław, Poland

    Jerzy Świątek

  2. Department of Computer Science, Faculty of Computer Science and Management, Wrocław University of Science and Technology, Wrocław, Poland

    Leszek Borzemski

  3. Department of Management Systems, Faculty of Computer Science and Management, Wrocław University of Science and Technology, Wrocław, Poland

    Zofia Wilimowska

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Kaczmarek, S., Sac, M. (2018). Analysis of IMS/NGN Call Processing Performance Using Phase-Type Distributions Based on Experimental Histograms. In: Świątek, J., Borzemski, L., Wilimowska, Z. (eds) Information Systems Architecture and Technology: Proceedings of 38th International Conference on Information Systems Architecture and Technology – ISAT 2017. ISAT 2017. Advances in Intelligent Systems and Computing, vol 656. Springer, Cham. https://doi.org/10.1007/978-3-319-67229-8_13

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  • DOI: https://doi.org/10.1007/978-3-319-67229-8_13

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-67228-1

  • Online ISBN: 978-3-319-67229-8

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