Abstract
AbstractThe queueing perfonnance of a single server packet-switched system serving two priority classes is analyzed. High priority (HP) packets are assumed to be correlated while low priority (LP) inputs are assumed to obey a Poisson distribution. The system is modeled as a discrete-time single server system and the analysis of the priority service discipline is formulated using an alternating work/vacation model. The transition probabilities of the work/vacation model are manifestations of the correlations within the HP sources. Generating functions (GF) for the queue length, busy period, and packet delay distribution are obtained. It is shown that the correlation present in the HP traffic exerts a significant effect on the queueing performance ofthe LP traffic.
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