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RADIator ??? An approach for controllable wireless networks

机译:散热器???可控无线网络的方法

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In this paper we propose a novel software-defined networking architecture for enterprise wireless local area networks (WLANs). The goal is to build a framework that exposes tools and methods for a centralized processing of IEEE 802.11 frames. In our architecture all management tasks, including beaconing, client authentication and association, are performed by the central controller instead of the distributed wireless access points as in traditional networks. The generated frames are tunneled to lightweight wireless access points (APs) or thin APs that perform the media access and radio frequency (RF) conversion. Agents executed on thin APs allow scheduling of simple tasks like traffic filtering for local execution. Additionally, the agents provide functions found in modern WLAN chipsets, such as precise frame transmit timings or RF spectrum analysis to the controller. Our architecture allows to delegate computationally intensive tasks to a central instance with enough processing power. Thus, it is best suited for devices with limited resources that we use as thin APs. We present applications that can be built using our framework, e.g., client geolocalization or energy consumption optimization. Finally we evaluate the performance of our architecture in a testbed using COTS devices with open-source software.
机译:在本文中,我们提出了一种用于企业无线局域网(WLAN)的新型软件定义的网络架构。目标是建立一个框架,该框架公开用于IEEE 802.11帧的集中处理的工具和方法。在我们的体系结构中,所有管理任务,包括信标,客户端认证和关联,由中央控制器而不是传统网络中的分布式无线接入点执行。所产生的帧隧道隧道连接到轻量级无线接入点(AP)或执行媒体访问和射频(RF)转换的薄AP。在稀释AP上执行的代理允许计划为本地执行的流量过滤等简单任务。此外,代理提供现代WLAN芯片组中的功能,例如精确的帧传输定时或对控制器的RF频谱分析。我们的架构允许将计算密集型任务委托到具有足够处理电源的中央实例。因此,它最适合使用我们用作薄AP的资源有限的设备。我们提供了可以使用我们的框架建造的应用程序,例如,客户地理化或能耗优化。最后,我们在使用带有开源软件的COTS设备的测试设备中评估我们的架构的性能。

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