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An Experimental Approach to Examine a Multi-Channel Multi-Hop Wireless Backbone Network

机译:一种检查多通道多跳无线骨干网的实验方法

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摘要

This paper presents an experimental deployment of a multi-channel multi-hop wireless backbone network (WBN) with an OpenFlow-based traffic management method. Specifically, a set of APs, each of which uses a single but different channel, is connected by Ethernet and thus constructs a Virtual AP (VAP), thereby achieving a WBN with multi-ple channels. To exibly control traffic ows transmitted over a multi-channel multi-hop WBN, we propose a simple traffic management method based on the OpenFlow control. In the performance evaluation, we rst conduct a preliminary experiment as a lab scale and then deploy a 6-hop WBN enabling to provide the Internet access service in a conference (from proof-of-concept to a practical environment). Since the control messages are inherently transmitted with the introduction of OpenFlow, the way of isolation be-tween control plane and data plane will become a critical issue to actually deploy the proposed system for the Internet service. We additionally employ a wireless control network for the conference experiment. The experimental results show that the proposed WBN can increase the network capacity in accordance with the number of channels, thereby providing significant throughput performance for various applications.
机译:本文介绍了一种基于基于OpenFlow的流量管理方法的多通道多跳无线骨干网(WBN)的实验部署。具体来说,一组每个使用单个但不同的信道的AP通过以太网连接,从而构建虚拟AP(VAP),从而实现具有多个信道的WBN。为了灵活地控制通过多通道多跳WBN传输的流量,我们提出了一种基于OpenFlow控制的简单流量管理方法。在性能评估中,我们首先进行实验室规模的初步实验,然后部署6跳WBN,以便在会议中提供Internet访问服务(从概念验证到实际环境)。由于控制消息是随着OpenFlow的引入而固有地传输的,因此控制平面和数据平面之间的隔离方式将成为实际为Internet服务部署建议的系统的关键问题。我们还为会议实验采用了无线控制网络。实验结果表明,所提出的WBN可以根据信道数量增加网络容量,从而为各种应用提供显着的吞吐性能。

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