Encyclopedia of Operations Research and Management Science

2013 Edition
| Editors: Saul I. Gass, Michael C. Fu

Outside Observer Distribution

Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-1153-7_200565

The probability distribution of the state of a queueing system at an arbitrarily chosen point in time, as opposed to what it would be at arrival or service-completion epochs. For queueing systems with a Poisson arrival process and exponentially distributed service times, all these steady-state distributions are the same.


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© Springer Science+Business Media New York 2013