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We consider a threshold type control mechanism for dynamic setup/release of λ-channels in optical networks. There are two types of costs for the control mechanism: the setup/release cost and the operation cost. For such a control mechanism, there is a corresponding Markov model with high complexity. By state aggregation, we are able to identify a semi-Markov process that is simpler to analyze. Based on the semi-Markov process, we derive the average cost formula for the threshold type control mechanism and carry out several numerical examples to find the optimal thresholds that minimize the average cost.
Global Telecommunications Conference, 2002. GLOBECOM '02. IEEE (Volume:3 )
Date of Conference: 17-21 Nov. 2002