Wi-Red的自适应重复避免

G. Cena, S. Scanzio, A. Valenzano
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引用次数: 0

摘要

根据工业控制应用的要求,无缝冗余可以有效地应用于Wi-Fi网络,以提高通信可靠性并降低传输延迟,但它也会使网络流量增加一倍。避免重复的机制允许合理地降低频谱消耗,通过防止不必要的帧传输在空中。本文描述并初步评价了一些自适应技术,旨在提高基于数据包延迟的重复避免启发式算法的性能。特别地,考虑了两种方法,其中在运行时动态选择延迟时间或主通道等操作参数。结果表明,改进是可能的,但不是在每个操作条件下。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Adaptive duplication avoidance for Wi-Red
Seamless redundancy can be profitably applied to Wi-Fi networks to improve communication reliability and decrease transmission latencies, as required by industrial control applications, but it also doubles network traffic. Duplication avoidance mechanisms permit to sensibly lower spectrum consumption, by preventing unnecessary frame transmissions on air. In this paper, some adaptive techniques are described and preliminarily evaluated, which are aimed at improving performance of duplication avoidance heuristics based on packet deferral. In particular, two approaches are considered, where operating parameters like the deferral time or the primary channel are dynamically selected at runtime. Results show that improvements are possible, but not in every operating condition.
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