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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...
Traffic self-similarity has been discovered to be a ubiquitous phenomenon in communication networks and multimedia systems. Due to its fractal-like nature, performance modelling of self-similar traffic poses greater challenges and exhibits more complexity than that of traditional non-bursty traffic. As a result, most existing studies on analytical modelling of priority queueing systems with self-similar...
The priority queueing discipline plays a crucial role in the differentiated services (DiffServ) architecture. Analytical modelling and performance evaluation of priority queueing systems have received significant research efforts in the telecommunication community. However, most existing studies have primarily focused on the analysis of such systems under either short range dependent (SRD) or long...
Active queue management (AQM) with multiple thresholds is an effective mechanism of buffer allocation for differentiated quality-of-service (QoS) of heterogeneous traffic. This paper develops an original analytical model for a finite buffer queueing system with AQM under two heterogeneous classes of traffic which are modeled, respectively, by the non-bursty Poisson process and bursty Markov-modulated...
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