弹性流与自适应流集成的性能边界

T. Bonald, A. Proutière
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引用次数: 74

摘要

我们考虑一个网络模型,其中带宽由动态数量的弹性和自适应流公平共享。弹性流对应于数据传输,而自适应流对应于具有可变速率编解码器的音频/视频应用。特别是,前者的特征是固定大小(以位为单位),而后者的特征是固定持续时间。一般来说,这种流级模型是难以处理的。本文通过样本路径参数给出弹性流量和流流量的性能边界。这些边界表现出对弹性流大小和流流持续时间分布等流量特征不敏感的实际意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On performance bounds for the integration of elastic and adaptive streaming flows
We consider a network model where bandwidth is fairly shared by a dynamic number of elastic and adaptive streaming flows. Elastic flows correspond to data transfers while adaptive streaming flows correspond to audio/video applications with variable rate codecs. In particular, the former are characterized by a fixed size (in bits) while the latter are characterized by a fixed duration. This flow-level model turns out to be intractable in general. In this paper, we give performance bounds for both elastic and streaming traffic by means of sample-path arguments. These bounds present the practical interest of being insensitive to traffic characteristics like the distributions of elastic flow size and streaming flow duration.
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