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Weighted fair queueing (WFQ) is a practical scheduling discipline for supporting differentiated quality-of-service (QoS) in computer networks and communication systems. Analytical models are important tools for system performance evaluation and resource optimization. However, there is not any comprehensive model reported in the open literature for analytically investigating the performance behaviors...
The hybrid scheduling mechanism that integrates the well-known priority queueing (PQ) and generalized processor sharing (GPS) has been suggested as a highly- promising scheme for the provisioning and implementation of differentiated quality-of-service. Analytical modelling and performance evaluation of the fundamental PQ and GPS have drawn tremendous interests and received significant research efforts...
The hybrid PQ-GPS scheduling mechanism has been identified as a promising policy for the provisioning of differentiated quality-of-service (QoS) in modern communication networks. This paper proposes the first analytical performance model for the PQ-GPS scheduling mechanism subject to long-range dependent (LRD) network traffic. The core contribution is to develop a novel flow-decomposition approach...
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