Results 251 to 260 of about 27,657 (304)
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Operations Research, 1963
A single-server queuing process in which the service facility is subject to breakdowns, is considered in this paper as a “preemptive resume priority” queuing process. The restrictions imposed on arrival process of breakdowns give rise to several breakdown models with different operational parameters.
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A single-server queuing process in which the service facility is subject to breakdowns, is considered in this paper as a “preemptive resume priority” queuing process. The restrictions imposed on arrival process of breakdowns give rise to several breakdown models with different operational parameters.
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Power analysis of Input-Queued and Crosspoint-Queued crossbar switches
2009 Canadian Conference on Electrical and Computer Engineering, 2009Crossbar switches are fundamental building blocks of digital networks such as the Internet. An Input-Queued (IQ) crossbar switch includes a set of queues at the input side of the switch, combined with an unbuffered switching matrix with N2 crosspoints. A Crosspoint-Queued (XQ) crossbar switch contains a FIFO queue at each of the NxN crosspoints of the ...
Jian Wang, Ted H. Szymanski
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Operations Research, 1968
Bounds are found for various measures of performance in certain classes of the GI//G1 queue. First, the mean wait in queue is found in terms of the mean and variance of the interarrival, service, and idle distributions. Bounds on the idle time moments lead to bounds on the mean wait and number in queue.
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Bounds are found for various measures of performance in certain classes of the GI//G1 queue. First, the mean wait in queue is found in terms of the mean and variance of the interarrival, service, and idle distributions. Bounds on the idle time moments lead to bounds on the mean wait and number in queue.
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Operations Research, 1967
The equivalence of two concepts of the capacity is developed. Capacity is the limiting load ratio (arrival rate measured in service rate units) for stable behavior. It is also defined as the expected output rate of the system operated under a saturation load.
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The equivalence of two concepts of the capacity is developed. Capacity is the limiting load ratio (arrival rate measured in service rate units) for stable behavior. It is also defined as the expected output rate of the system operated under a saturation load.
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Journal of the ACM, 1992
Summary: Fair queueing is a novel queueing discipline with important applications to data networks that support variable-size packets and to systems where the cost of preempting jobs from service is high. The discipline controls a single server shared by \(N\) job arrival streams with each stream allotted a separate queue.
Albert G. Greenberg, Neal Madras
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Summary: Fair queueing is a novel queueing discipline with important applications to data networks that support variable-size packets and to systems where the cost of preempting jobs from service is high. The discipline controls a single server shared by \(N\) job arrival streams with each stream allotted a separate queue.
Albert G. Greenberg, Neal Madras
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Parametric Analysis of Queuing Networks
IBM Journal of Research and Development, 1975We consider a queuing network with M exponential service stations and with N customers. We study the behavior of a subsystem σ, which has a single node as input and a single node as output, when th...
K. Mani Chandy +2 more
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Bell System Technical Journal, 1981
Priority service disciplines are widely used in computer and communications systems. Many such systems can be modeled by queuing networks, but presently developed theory does not allow solution of these models when priority service disciplines are present. For priority queuing networks that have a homogeneity property, we give some explicit results for
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Priority service disciplines are widely used in computer and communications systems. Many such systems can be modeled by queuing networks, but presently developed theory does not allow solution of these models when priority service disciplines are present. For priority queuing networks that have a homogeneity property, we give some explicit results for
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JAMA: The Journal of the American Medical Association, 1992
To the Editor. —I value my McGill Medical School education and the skill of Canadian colleagues. But the queuing phenomenon in the Canadian health care system addressed by Katz et al 1 is a significant shortcoming. Were the Canadian model applied to our health care system in the United States, queuing might prove as onerous or worse than the current ...
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To the Editor. —I value my McGill Medical School education and the skill of Canadian colleagues. But the queuing phenomenon in the Canadian health care system addressed by Katz et al 1 is a significant shortcoming. Were the Canadian model applied to our health care system in the United States, queuing might prove as onerous or worse than the current ...
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The Output of Multiserver Queuing Systems
Operations Research, 1978We derive a recurrence relation for ξn, the time until the nth departure measured from T0, any well-defined instant in time. While the recurrence, valid for the G/G/s queue, is generally not easy to work with, in certain cases we can use it to obtain the distribution and moments of ξn.
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Estimation in Multiserver Queuing Simulations
Operations Research, 1974This paper presents methods for computing point and interval estimates of descriptors of simulated queuing systems. The methods, which rely on the renewal process representation of certain processes, extend the results of Crane and Iglehart, and the author. In particular, the paper shows that computation of three sample quantities suffices to generate
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