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| Titel: |
Approximate mean waiting time in a GI/D/1 queue with autocorrelated times to failures |
| Auteur: |
Balciog˜lu, Baris Jagerman, David L. Altiok, Tayfur |
| Verschenen in: |
IIE transactions |
| Paginering: | Jaargang 39 (2007) nr. 10 pagina's 985-996 |
| Jaar: |
2007-10 |
| Inhoud: |
In this paper, we study process completion time and propose an accurate approximation for the mean waiting time in queues with servers experiencing autocorrelated times to failure, which include only busy periods from a repair completion until the next failure. To do this, we employ a three-parameter renewal approximation that represents the stream of autocorrelated times to failure. The approximation gives rise to a renewal interruption process with two-state Hyper-exponential (H2) times to failure. Then we compute the mean waiting time exactly in a queue experiencing H2 times to failure when the job arrival process is Poisson. This model provides an approximation for the mean waiting time of the original queue having an autocorrelated disruption process. We also propose an accurate approximation for queues with renewal job arrival processes when the server interruption process is general. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 2 van 5 gevonden artikelen
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