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Metrics for packet reordering-A comparative analysis

机译:数据包重新排序的指标-比较分析

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Packet reordering is an inevitable phenomenon on the Internet. An ideal metric for packet reordering should capture reordering accurately, provide insight into the nature of reordering, and help in the evaluation and analysis of reordering leading to mitigation of its adverse effects. Proposed metrics for packet reordering, namely, reorder density, reorder buffer-occupancy density, reordering extent, and n-reordering, overcome to various degrees the deficiencies of percentage reordering in capturing the nature and extent of reordering. These metrics vary widely in areas such as evaluation complexity, measurement technique, usage, and in the definition used for packet reordering itself. Metrics for reordering are evaluated using a framework consisting of a set of both essential and desirable attributes of reorder metrics. The attributes include the ability to capture reordering, sensitivity to lost and duplicate packets in reorder measurements, usefulness, simplicity, and evaluation complexity. Finally, the characterization of packet reordering using these metrics is discussed, using sets of measurements carried over the Internet.
机译:数据包重新排序是Internet上不可避免的现象。数据包重新排序的理想指标应该准确地捕获重新排序,洞悉重新排序的性质,并帮助评估和分析重新排序,从而减轻其不利影响。分组重排序的建议度量,即重排序密度,重排序缓冲区占用密度,重排序程度和n重排序,在不同程度上克服了重排序百分比在捕获重排序的性质和程度方面的不足。这些指标在评估复杂性,测量技术,使用情况以及用于数据包重新排序的定义等方面差异很大。使用由一组重新排序指标的基本和理想属性组成的框架来评估重新排序的指标。这些属性包括捕获重新排序的能力,对重新排序测量中丢失和重复的数据包的敏感性,有用性,简单性和评估复杂性。最后,讨论了使用这些度量标准对数据包重新排序的表征,并使用了Internet上的一组测量结果。

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