Implementación y evaluación de una estrategia para garantizar mantenimiento de QoS en la transmisión de video en tiempo real en redes WLAN bajo el esquema de gestión SDN

Abstract

ABSTRACT: Local Area Networks based on IEEE 802.11 standard represent the largest deployment of wireless network technology worldwide. Such networks have accelerated the growth of multimedia applications. This type of content requires special settings to guarantee Quality of Service (QoS), specially for the case of real-time video streaming. Currently, the state-of-the-art mostly focuses on solving the QoS problem over traditional IEEE 802.11 networks, but few works try to evaluate the performance of QoS mechanisms over software-defined WLAN network scenarios. The Software Defined Networking (SDN) architecture helps to improve, simplify, and program the network management according to specific needs, making easier and faster the design and deployment of new control policies. This thesis presents the implementation of a non-standardized QoS mechanism for IEEE 802.11 networks, independent of a manufacturer that can be configured and adapted to the needs of an institution. This solution will allow the flows in the active stations to maintain a good throughput. In addition, it will present throughput and delay analysis from the admission control mechanism selected, taking into account the operation of the emulation scenario based on NS-3 integrated with SDN.