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10

ICC
2007
IEEE

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Optimality of the Second Order Metrics of the M/M/2 System with Heterogeneous Service Rates

13 years 11 months ago

Optimality of the Second Order Metrics of the M/M/2 System with Heterogeneous Service Rates

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—In a previous paper [4], we described an approach to improve the performance of the M/M/2 system by replacing its homogeneous servers with heterogeneous servers. Denoting by β the ratio of the slow service rate to the fast service rate, we showed that there exists an optimal ratio at which the first order metrics reach their optimums. In the present work, we extend the study to the second order metrics. We first derive the distributions of the queuing time and system sojourn time, then prove the optimality of the second order metrics.

Xian Liu

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Communications | ICC 2007 | Order Metrics | Service Rate | Slow Service Rate |

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Added	02 Jun 2010
Updated	02 Jun 2010
Type	Conference
Year	2007
Where	ICC
Authors	Xian Liu

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