Publication: Servicio IPTV para dar soporte a docencia basado en SIP y P2P
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Publication date
2013-06
Defense date
2013-07-08
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Abstract
En los últimos años, la demanda de contenido multimedia por parte de los
usuarios a través de Internet ha aumentado considerablemente debido a que la
mayoría de las personas disponen o bien de dispositivos móviles como pueden ser un
smartphone, una tablet o un ordenador portatil; o dispositivos fijos como es el caso
de una televisión o un ordenador de sobremesa, en definitiva, dispositivos capaces de
reproducir cualquier contenido multimedia, ya sea vídeo bajo demanda (como son
el caso de Youtube, Netflix), IPTV (IP Television), o similares. Además otro factor
decisivo en la demanda de contenido multimedia ha sido la aparición de nuevas
tecnologías de acceso de banda ancha, tanto fija como móviles. Por estos motivos
van apareciendo nuevas formas de transmitir dicho contenido a través de la red.
Además, debido a que tenemos la facilidad de comunicarnos con personas que
están a una cierta distancia o de aprender nuevos conocimientos a través de los
nuevos avances tecnológicos, principalmente a través de Internet, se abre un nuevo
campo de posibilidades de comunicación dentro de las empresas o sin ir más lejos en
el ámbito educativo. Es en éste último, debido a la gran demanda de usuarios que
realizan sus estudios de manera semipresencial u online en dónde se está ampliando
el uso del vídeo bajo demanda (VoD) de contenido educativo o incluso la transmisión
de dichas clases a través de internet (IPTV).
El objetivo principal de este Trabajo Fin de Grado ha consistido en la
implementación de un sistema IPTV para dar soporte a la actividad docente. El
desarrollo, que ha sido realizado mediante herramientas open source, permite la
retransmisión en directo de una sesión docente, a través de Internet, desde el equipo
del profesor a un número potencialmente elevado de alumnos. El desarrollo del
servicio se ha estructurado en dos planos, uno de señalización y uno de datos. En
ambos planos, la implementación realizada utiliza protocolos de Internet definidos
por el IETF (Internet Engineering Task Force) [IET] que es una organización cuya
misión es hacer que Internet funcione mejor mediante la elaboración de documentos
técnicos de alta calidad que influyen en la forma de diseñar, utilizar y gestionar
Internet.
In recent years, the demand of multimedia content by users through the Internet has increased considerably due to the most people have or mobile devices such as a smartphone, a tablet or a laptop, or fixed devices such as TV or a desktop computer, in short, any device able to play multimedia content whether video on demand (such as the case of YouTube, Netflix), IPTV, or similar. Also another factor in the demand for multimedia content has been the emergence of new technologies for broadband access, fixed and mobile. For these reasons new ways of transmitting the content through the network are emerging. Also, due to we have the facility to communicate with people who are at a certain distance or to learn new knowledge through new technological advances, mainly through the Internet, opens a new field of possibilities for communication within companies or in the educational scope. It is in this last, due to the high demand of users who carry out their studies in a blended or online in where the use of video on demand (VoD) of educational content or the transmission of these classes over the Internet (IPTV) are being expanded. The main goal of this Bachelor Thesis has been the implementation of an IPTV system to support teaching. The development, which has been performed using open source tools, allows the retransmission of a live teaching session, through the Internet, from the teacher's computer to a potentially high number of students. The development of the service is structured in two planes, one signaling and one data. In both plans, the implementation uses Internet protocols on defined by IETF (Internet Engineering Task Force) which is an organization whose mission is to make the Internet work better by producing high quality, relevant technical documents that in uence the way people design, use, and manage the Internet.
In recent years, the demand of multimedia content by users through the Internet has increased considerably due to the most people have or mobile devices such as a smartphone, a tablet or a laptop, or fixed devices such as TV or a desktop computer, in short, any device able to play multimedia content whether video on demand (such as the case of YouTube, Netflix), IPTV, or similar. Also another factor in the demand for multimedia content has been the emergence of new technologies for broadband access, fixed and mobile. For these reasons new ways of transmitting the content through the network are emerging. Also, due to we have the facility to communicate with people who are at a certain distance or to learn new knowledge through new technological advances, mainly through the Internet, opens a new field of possibilities for communication within companies or in the educational scope. It is in this last, due to the high demand of users who carry out their studies in a blended or online in where the use of video on demand (VoD) of educational content or the transmission of these classes over the Internet (IPTV) are being expanded. The main goal of this Bachelor Thesis has been the implementation of an IPTV system to support teaching. The development, which has been performed using open source tools, allows the retransmission of a live teaching session, through the Internet, from the teacher's computer to a potentially high number of students. The development of the service is structured in two planes, one signaling and one data. In both plans, the implementation uses Internet protocols on defined by IETF (Internet Engineering Task Force) which is an organization whose mission is to make the Internet work better by producing high quality, relevant technical documents that in uence the way people design, use, and manage the Internet.
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Keywords
Protocolos de comunicación, Internet Protocol Television (IPTV), Tecnología P2P, Multimedia, Internet, Tecnología educativa