A software-defined networking framework to provide dynamic qos management in ieee 802.11 networks
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This work has been supported by the AEI/FEDER, UE Project Grants TEC2016-76465-C2-1-R (AIM).Fecha de publicación
2018-07-12Editorial
MDPICita bibliográfica
Manzanares-Lopez P, Malgosa-Sanahuja J, Muñoz-Gea JP. A Software-Defined Networking Framework to Provide Dynamic QoS Management in IEEE 802.11 Networks. Sensors. 2018; 18(7):2247. https://doi.org/10.3390/s18072247Revisión por pares
siPalabras clave
wireless networksSDN
QoS
mathematical modeling
Resumen
In this paper, the concept of SDN (Software Defined Networking) is extended to be applied to wireless networks. Traditionally, in a wired SDN environment, the OpenFlow protocol is the communication protocol used to configure the flow table of forwarding elements (i.e., switches and Access Points). However, although in IEEE 802.11 networks there is no concept of forwarding, the SDN paradigm could also be applied to set up the wireless network dynamically, in order to improve the performance. In this case, not only the network elements, that is the Access Points, but also the mobile elements should configure their link and physical layers parameters following the guidelines of a centralized SDN controller. In particular, we propose a mechanism called DEDCA (Dynamic Enhanced Distributed Channel Access) to manage the channel access in wireless networks, and a framework that enables its implementation in 802.11-based wireless networks using SDN technology. The key aspect of this alternative ...
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