A network of queues is a system of service facilities (counters, stations, nodes) that are interconnected in a given manner. Customers may enter the system from the outside, pass from node to node, and eventually leave the system. Each node has its own service mechanism (one or more servers and given service time distributions) and queue discipline. As an example we may think of a computer system consisting of a network of processors (CPU’s, I/O processors, terminals) and a collection of customers (jobs, messages, tasks).
KeywordsQueue Length Sojourn Time Steady State Distribution Steady State Probability Closed Network
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