SDNizing the Wireless LAN - A Practical Approach

M. A. Khan, Patrick Engelhard, T. Dorsch
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引用次数: 5

Abstract

The emerging Internet of Things (IoT) paradigm and a plethora of diverse applications provision more flexible network management. Software Defined Networking (SDN) occupies the pivotal role in realizing such flexible network management. However, the gain of this potential panacea is still unmeasurable in a real sense especially when wireless medium is part of the equation, as the validation frameworks mostly skip capturing realistic system dynamics. In this paper, we study the performance gain of SDN control implemented in a physical testbed comprising of a virtualized core and a WLAN access network. With this contribution, we aim at realizing a more realistic environment where the impact of system dynamics on the stakeholders (users and operators) may be studied. We developed a mechanism to map the logical wireless channels over the physical wireless interface of the access point. SDN (OpenDaylight) control application for mobility management, the mapper tool, a visualization and control GUI, and Android applications are amongst the main contribution of this work.
无线局域网的一种实用方法
新兴的物联网(IoT)范式和大量不同的应用程序提供了更灵活的网络管理。软件定义网络(SDN)在实现这种灵活的网络管理中起着举足轻重的作用。然而,这种潜在的灵丹妙药的收益在真正意义上仍然是不可测量的,特别是当无线介质是等式的一部分时,因为验证框架大多忽略了捕捉实际的系统动态。在本文中,我们研究了在一个由虚拟化核心和WLAN接入网组成的物理测试平台上实现SDN控制的性能增益。有了这个贡献,我们的目标是实现一个更现实的环境,在这个环境中,系统动力学对利益相关者(用户和操作员)的影响可以被研究。我们开发了一种机制,将逻辑无线通道映射到接入点的物理无线接口上。用于移动管理的SDN (OpenDaylight)控制应用程序,地图绘制工具,可视化和控制GUI以及Android应用程序是这项工作的主要贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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