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    Performance modelling of wormhole-routed hypercubes with bursty traffice and finite buffers

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    kouvatsos_2004.pdf (187.7Kb)
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    Publication date
    2005
    Author
    Kouvatsos, Demetres D.
    Assi, Salam
    Ould-Khaoua, M.
    Keyword
    Wormhole routing
    Hypercubes
    Compound Poisson process
    Generalised exponential message latency
    Simulation
    Rights
    © 2005 United Kingdom Simulation Society. Reproduced in acccordance with the publisher's self-archiving policy.
    Peer-Reviewed
    Yes
    
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    Abstract
    An open queueing network model (QNM) is proposed for wormhole-routed hypercubes with finite buffers and deterministic routing subject to a compound Poisson arrival process (CPP) with geometrically distributed batches or, equivalently, a generalised exponential (GE) interarrival time distribution. The GE/G/1/K queue and appropriate GE-type flow formulae are adopted, as cost-effective building blocks, in a queue-by-queue decomposition of the entire network. Consequently, analytic expressions for the channel holding time, buffering delay, contention blocking and mean message latency are determined. The validity of the analytic approximations is demonstrated against results obtained through simulation experiments. Moreover, it is shown that the wormholerouted hypercubes suffer progressive performance degradation with increasing traffic variability (burstiness).
    URI
    http://hdl.handle.net/10454/478
    Citation
    Kouvatsos DD, Assi S and Ould-Khaoua M (2005) Performance modelling of wormhole-routed hypercubes with bursty traffice and finite buffers. International Journal of Simulation. 6(3-4) 69-81.
    Link to publisher’s version
    http://ducati.doc.ntu.ac.uk/uksim/journal/Vol-6/No.3-4/CRC-Salam.pdf
    Type
    Article
    Collections
    Engineering and Informatics Publications

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