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On the performance of circuit-switched networks in the presence of correlated traffic

机译:存在相关业务量时电路交换网络的性能

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Many studies have revealed that the traffic generated by multimedia applications exhibits a high degree of burstiness and possesses strong correlation in the number of message arrivals between adjacent time intervals, which can significantly affect network performance. This paper proposes a new analytical performance model for circuit-switched k-ary n -cubes with correlated traffic pattern. Compared to the models presented in the previous studies, this model is more realistic due to its ability to capture the effects of using virtual channels at a source node by taking into account the splitting of correlated traffic. Moreover, a closed-form expression for computing the probability of virtual channel occupancy is given. The validity of the present model is demonstrated by comparing analytical results against those obtained through simulation experiments of the actual system.
机译:许多研究表明,多媒体应用程序产生的流量具有高度的突发性,并且在相邻时间间隔之间的消息到达数量方面具有很强的相关性,这可能会严重影响网络性能。本文提出了一种具有相关交通模式的电路交换k元n立方体的新分析性能模型。与先前研究中提出的模型相比,该模型更为现实,因为它能够通过考虑相关流量的划分来捕获在源节点使用虚拟通道的效果。此外,给出了用于计算虚拟信道占用概率的闭式表达式。通过将分析结果与通过实际系统的模拟实验获得的分析结果进行比较,可以证明本模型的有效性。

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