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    Performance simulation of a context provisioning middleware based on empirical measurements

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    Authors
    Reetz, Eike Steffen
    Knappmeyer, Michael
    Kiani, Saad Liaquat
    Anjum, Ashiq cc
    Bessis, Nik cc
    Tönjes, Ralf
    Affiliation
    University of the West of England
    University of Applied Sciences Osnabrück
    University of Derby
    Issue Date
    2012
    
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    Abstract
    The evaluation of context middleware systems is a challenging endeavour. On the one hand, testbed investigations suffer from an unrealistic environment in terms of number of users, high implementation effort for changes and questionable portability of results. On the other hand simulation of middleware systems is complex due to the high abstraction of implementation. This article contributes to the understanding of a broker based context provisioning system based on black-box measurements of a testbed which are further utilised to increase the accuracy of a simulation model. Both simulations and measurements help in understanding the complex behaviour of a context provisioning middleware and enable the evaluation of complex distributed systems. The presented investigations identify significant parameters and corresponding models for the response delay of the key components of a context provisioning middleware and discuss their integration into an overall simulation model.
    Citation
    Reetz, E.S. et al. (2012) ‘Performance simulation of a context provisioning middleware based on empirical measurements’, Simulation Modelling Practice and Theory, 34, pp. 208-220. doi: 10.1016/j.simpat.2012.03.002
    Journal
    Simulation Modelling Practice and Theory
    DOI
    10.1016/j.simpat.2012.03.002
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S1569190X12000354
    Type
    Other
    Language
    en
    ISSN
    1569190X
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.simpat.2012.03.002
    Scopus Count
    Collections
    Department of Electronics, Computing & Maths

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