“Diseño e implementación de un prototipo SD-WAN basado en RASPBERRY PI”
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2019-10-16
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Universidad de Guayaquil. Facultad de Ciencias Matemáticas y Físicas. Carrera de Ingeniería en Networking y Telecomunicaciones
Resumen
El crecimiento exponencial de la red da como resultado una saturación en las comunicaciones aumentando un factor, el cual es la latencia, siendo esta el tiempo que tarda en llegar un paquete desde un origen a su destino, por ende, la búsqueda de minimizar esta problemática es prioritaria, ya que las aplicaciones de uso critico tales como de salud, transacciones o compras, no pueden mantener tiempos de respuestas altos. Por lo tanto, el presente proyecto de tesis propone la creación de una arquitectura con dos nodos de borde usando Raspberry Pi y un conmutador virtual OpenvSwitch, para que estos tengan conectividad hacía el controlador SDN OpenDaylight dando paso a la interacción entre los dispositivos finales que se conecten de manera física a los nodos, creando un túnel virtual mediante el protocolo VXLAN. Mediante la metodología en cascada se pudo establecer las necesidades que cumplir, se diseñó el prototipo e implemento para realizar las debidas pruebas, estas fueron entablar un ping para medir la conectividad y el tiempo de respuesta de los paquetes. Se logro establecer comunicación utilizando los túneles VXLAN y medir la latencia de los paquetes que se generaban desde un equipo a otro de manera satisfactoria, la cual fue baja, por lo tanto, se establece una base para futuros desarrollos para disminuir la latencia.
The exponential growth of the network results in a saturation in communications increasing a factor, which is the latency, this being the time it takes for a package to arrive from an origin to its destination, therefore, the search to minimize this problematic is a priority, since the applications of critical use such as health, transactions or purchases, can not maintain high response times. Therefore, this thesis project proposes the creation of an architecture with three edge nodes using Raspberry Pi and an OpenvSwitch virtual switch, so that they have connectivity to the OpenDaylight SDN controller giving way to the interaction between the final devices that are physically connect to the nodes, creating a virtual tunnel using the VXLAN protocol. Using the cascading methodology, the needs to be met could be established, the prototype and implementation were designed to perform the appropriate tests, these were to establish a ping to measure the connectivity and response time of the packages. It was possible to establish communication using the VXLAN tunnels and measure the latency of the packages that were generated from one device to another in a satisfactory manner, which was low, therefore, a basis for future developments is established to reduce latency.
The exponential growth of the network results in a saturation in communications increasing a factor, which is the latency, this being the time it takes for a package to arrive from an origin to its destination, therefore, the search to minimize this problematic is a priority, since the applications of critical use such as health, transactions or purchases, can not maintain high response times. Therefore, this thesis project proposes the creation of an architecture with three edge nodes using Raspberry Pi and an OpenvSwitch virtual switch, so that they have connectivity to the OpenDaylight SDN controller giving way to the interaction between the final devices that are physically connect to the nodes, creating a virtual tunnel using the VXLAN protocol. Using the cascading methodology, the needs to be met could be established, the prototype and implementation were designed to perform the appropriate tests, these were to establish a ping to measure the connectivity and response time of the packages. It was possible to establish communication using the VXLAN tunnels and measure the latency of the packages that were generated from one device to another in a satisfactory manner, which was low, therefore, a basis for future developments is established to reduce latency.
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Software Define Network (SDN), Controlador SDN, OpenFlow, OpenvSwitch, VXLAN