A methodological approach to BISDN signalling performance

X. Hou, N.D. Kalogeropoulos, M.E. Lekkou, I.G.M.M. Niemegeers, I.S. Venieris

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    Abstract

    Sophisticated signalling protocols are required to properly handle the complex multimedia, multiparty services supported by the forthcoming BISDN. The implementation feasibility of these protocols should be evaluated during their design phase, so that possible performance bottlenecks are identified and removed. In this paper we present a methodology for evaluating the performance of BISDN signalling systems under design. New performance parameters are introduced and their network-dependent values are extracted through a message flow model which has the capability to describe the impact of call and bearer control separation on the signalling performance. Signalling protocols are modelled through a modular decomposition of the seven OSI layers including the service user to three submodels. The workload model is user descriptive in the sense that it does not approximate the direct input traffic required for evaluating the performance of a layer protocol; instead, through a multi-level approach, it describes the actual implications of user signalling activity for the general signalling traffic. The signalling protocol model is derived from the global functional model of the signalling protocols and information flows using a network of queues incorporating synchronization and dependency functions. The same queueing approach is followed for the signalling transfer network which is used to define processing speed and signalling bandwidth requirements and to identify possible performance bottlenecks stemming from the realization of the related protocols.
    Original languageEnglish
    Pages (from-to)97-111
    Number of pages15
    JournalInternational journal of communication systems
    Volume7
    Issue number2
    DOIs
    Publication statusPublished - 1994

    Keywords

    • Traffic engineering
    • Signalling protocol
    • Protocol modelling
    • Network performance
    • BISDN

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  • Cite this

    Hou, X., Kalogeropoulos, N. D., Lekkou, M. E., Niemegeers, I. G. M. M., & Venieris, I. S. (1994). A methodological approach to BISDN signalling performance. International journal of communication systems, 7(2), 97-111. https://doi.org/10.1002/dac.4500070205