Browsing by Subject "Closed queueing network"

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    Kronecker representation and decompositional analysis of closed queueing networks with phase-type service distributions and arbitrary buffer sizes
    (Springer New York LLC, 2008) Dayar, T.; Meriç, A.
    Two approximative fixed-point iterative methods based on decomposition for closed queueing networks with Coxian service distributions and arbitrary buffer sizes are extended to include phase-type service distributions. The irreducible Markov chain associated with each subnetwork in the respective decompositions is represented hierarchically using Kronecker products. The two methods are implemented in a software tool capable of computing the steady-state probability vector of each subnetwork by a multilevel method at each fixed-point iteration and are compared with other methods for accuracy and efficiency. Numerical results indicate that there is a niche filled by the two approximative methods.