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首页> 外文期刊>IEEE Transactions on Information Theory >Modular Methodology for the Network Calculus in a Time-Varying Context
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Modular Methodology for the Network Calculus in a Time-Varying Context

机译:时变上下文中网络演算的模块化方法

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Network calculus (NC) is a set of rules and results for computing bounds for performance parameters of communication systems, such as end-to-end delay, maximum backlog, and service curves. Previous works show that the problem of determining performance bounds of communication networks is simplified if modeled using the dioid algebra. In this paper, we propose a methodology that allows the treatment of NC problems in a modular basis in a time-varying context, i.e., when curves vary with time. From the proposed methodology, we extend some results of the literature and derive new results on NC. Among the obtained results, we introduce an alternative representation of service guarantees that better explore the available knowledge of systems. We also define variable delay functions that lead to less conservative delay bounds than those in the literature. Finally, we analyze a FIFO multiplexer with $M$ input flows.
机译:网络演算(NC)是一组规则和结果,用于计算通信系统性能参数的范围,例如端到端延迟,最大积压和服务曲线。先前的工作表明,如果使用二叉代数进行建模,可以简化确定通信网络性能范围的问题。在本文中,我们提出了一种方法,该方法可以在时变上下文中(即曲线随时间变化时)以模块化方式处理NC问题。从提出的方法中,我们扩展了一些文献结果,并得出了关于NC的新结果。在获得的结果中,我们引入了服务保证的替代表示形式,可以更好地探索系统的可用知识。我们还定义了可变延迟函数,其导致的延迟范围比文献中的保守延迟范围小。最后,我们使用 $ M $ 输入流来分析FIFO多路复用器。

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