采用802.11e EDCF实现WLAN链路上TCP上传的公平性

Third International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt'05) Pub Date : 2005-04-04 DOI:10.1109/WIOPT.2005.54

D. Leith, P. Clifford

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引用次数: 71

摘要

我们研究了使用802.11e MAC EDCF来解决wlan中的传输层不公平问题。开发了一个简单的解决方案，使用802.11e AIFS和CW/sub / min/参数来确保竞争TCP上传之间的公平性。为了分析该方案的公平性，建立了改进信道上TCP传输的分析模型。除了竞争TCP流之间的公平性之外，考虑扩展到包括TCP流的特征，如RTT不公平性和响应性，我们观察到具有无线瓶颈链路的TCP流与具有有线瓶颈的流表现出完全不同的属性。

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Using the 802.11e EDCF to achieve TCP upload fairness over WLAN links

We investigate the use of the 802.11e MAC EDCF to address transport layer unfairness in WLANs. A simple solution is developed that uses the 802.11e AIFS and CW/sub min/ parameters to ensure fairness between competing TCP uploads. An analytic model of TCP transport over the modified channel is developed in order to analyse the fairness properties of the proposed scheme. In addition to fairness between competing TCP flows, consideration is extended to include characteristics of TCP flows such as RTT unfairness and responsiveness and we observe that TCP flows with a wireless bottleneck link exhibit quite different properties from flows with a wired bottleneck.

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Third International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt'05)

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