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PALS Seminar Series (Performance Analysis of Logistic Systems)
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ABSTRACTS A Fair Policy for the Servers in the G/GI/N Queue with Multiple Server Pools We consider the G/GI/N queue with multiple server
pools, each possessing a pool-specific service time distribution. We then
consider the class of non-idling routing policies referred to as u-greedy
policies. These policies route incoming customers to the server pool with
the longest weighted cumulative idle time. Our first set of results
demonstrate that asymptotically in the Halfin-Whitt regime and under any
u-greedy policy, the diffusion scaled cumulative idle time processes of each
of the server pools are held in fixed proportion to one another. We next
move on to providing a heavy-traffic limit theorem for the process keeping
tracking of the total number of customers in the system. Our limit may be
characterized as the solution to a stochastic convolution equation.
Last updated
22-05-13
P.O. Box 513, 5600 MB Eindhoven, The Netherlands |
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