i AbstractThis thesis dissertation presents background push Content Download Services as an efficient mechanism to deliver pre-produced television content through existing broadcast networks. Nowadays, network operators dedicate a considerable amount of network resources to live streaming live, through both broadcast and unicast connections. This service offering responds solely to commercial requirements: Content must be available anytime and anywhere. However, from a strictly academic point of view, live streaming is only a requirement for live content and not for pre-produced content. Moreover, broadcasting is only efficient when the content is sufficiently popular.The services under study in this thesis use residual capacity in broadcast networks to push popular, pre-produced content to storage capacity in customer premises equipment. The proposal responds only to efficiency requirements. On one hand, it creates value from network resources otherwise unused. On the other hand, it delivers popular pre-produced content in the most efficient way: through broadcast download services.
Con los avances en la industria 4.0 y la transformación digital, es indispensable lograr la comunicación entre los distintos dispositivos que conforman la planta industrial. Sin embargo, esta orientación a la interoperabilidad de los productos que a nivel de dispositivos como los PLC’s está generalizada, no lo es tanto en el ámbito de los robots. En este caso muchos de robots móviles trabajan con la arquitectura de software ROS en la actualidad, un middleware de código abierto que maneja los datos de control del robot a nivel local, y en el caso de los robots industriales es bastante generalizado el uso de protocolos propietarios. En este artículo se propone una solución que emplea el estándar de comunicaciones OPC UA para hacer accesibles los datos de dispositivos con arquitectura de software ROS a un nivel superior de control de la planta industrial, facilitando así la integración de los datos de los robots en aplicaciones de supervisión, y dando también cabida a la interoperabilidad por medio del uso de los datos en el servidor.
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