Publication: Desarrollo de un servicio de televisión IP basado en SIP y tecnologías de entrega multicast
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2015-03
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2015-03-06
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Abstract
En la actualidad, el desarrollo continuo de Internet ha permitido la aparición en el mercado de una gran diversidad de servicios multimedia, disponibles para los usuarios a través de la red. Entre los principales catalizadores que han propiciado el éxito de estos servicios destacan: el acceso ubico que ofrece Internet, que posibilita el acceso a estos servicios prácticamente en cualquier momento y desde cualquier lugar; el desarrollo de nuevas tecnologías de acceso de banda ancha, que permiten la entrega de dichos servicios con ciertas garantías de calidad; y la aparición de nuevos equipos de comunicaciones y de terminales de usuario avanzados, que posibilitan la entrega y reproducción del contenido multimedia por parte del usuario. A modo de ejemplo, entre los servicios multimedia que actualmente cuentan con una gran aceptación por parte del mercado, podemos citar los servicios de voz sobre IP (VoIP), video-conferencia, vídeo bajo demanda (video on demand- VoD) o televisión IP (IPTV).
En este contexto, el objetivo principal de este TFG es implementar un servicio de televisión IP, basado en las especificaciones del grupo de trabajo TISPAN [TIS] de ETSI. Dicho servicio soportará el acceso y distribución del vídeo correspondiente a un conjunto de canales de televisión a un número potencialmente elevado de usuarios. La implementación hará uso de protocolos estándares de Internet, que tradicionalmente han sido desarrollados por el IETF (Internet Engineering Task Force). Entre los protocolos utilizados, el protocolo SIP (Session Initiation Protocol) soportará las funcionalidades de control necesarias para proporcionar acceso al usuario al conjunto de canales de televisión, mediante el establecimiento y terminación de sesiones multimedia.. Por otro lado, la entrega de la información del vídeo correspondiente a los distintos canales se basará en tecnologías de entrega multicast. Las operaciones de cambio de canal se implementarán mediante el protocolo IGMP (Internet Group Management Protocol).
Currently, the continuous development of the Internet has allowed the appearance on the market a wide range of multimedia services, available to users through the network. Among the main catalysts that have led to the success of these services include: the I locate Internet access, allowing access to these services virtually anytime and anywhere provided; the development of new technologies for broadband access, enabling the delivery of such services with certain quality assurance; and the emergence of new communications equipment and advanced user terminals that enable the delivery and playback of multimedia content by the user. For example, between multimedia services currently have a great acceptance by the market; we can cite the voice over IP (VoIP), video conferencing, video on demand (video on demand- VoD) and IPTV (IPTV). In this context, the main objective of the TFG is to implement an IP TV service, based on the specifications of the working group TISPAN ETSI. This service will support the access and distribution corresponding to a television set to a potentially large number of users video. The implementation will use standard Internet protocols, which have traditionally been developed by the IETF (Internet Engineering Task Force). Among the protocols used, SIP (Session Initiation Protocol) bear the necessary control functions to provide user access to all television channels, by establishing and terminating multimedia sessions .. On the other hand, delivering information corresponding to different video channels will be based on multicast delivery technologies. Forex trading channel is implemented by IGMP (Internet Group Management Protocol).
Currently, the continuous development of the Internet has allowed the appearance on the market a wide range of multimedia services, available to users through the network. Among the main catalysts that have led to the success of these services include: the I locate Internet access, allowing access to these services virtually anytime and anywhere provided; the development of new technologies for broadband access, enabling the delivery of such services with certain quality assurance; and the emergence of new communications equipment and advanced user terminals that enable the delivery and playback of multimedia content by the user. For example, between multimedia services currently have a great acceptance by the market; we can cite the voice over IP (VoIP), video conferencing, video on demand (video on demand- VoD) and IPTV (IPTV). In this context, the main objective of the TFG is to implement an IP TV service, based on the specifications of the working group TISPAN ETSI. This service will support the access and distribution corresponding to a television set to a potentially large number of users video. The implementation will use standard Internet protocols, which have traditionally been developed by the IETF (Internet Engineering Task Force). Among the protocols used, SIP (Session Initiation Protocol) bear the necessary control functions to provide user access to all television channels, by establishing and terminating multimedia sessions .. On the other hand, delivering information corresponding to different video channels will be based on multicast delivery technologies. Forex trading channel is implemented by IGMP (Internet Group Management Protocol).
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Televisión IP, SIP, Session Initiation Protocol, Multicast