Video on demand system

H - Electricity – 04 – N

Patent

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Details

H04N 5/00 (2006.01)

Patent

CA 2373155

A method of and apparatus for efficiently providing video on demand services to a cable television subscriber. The provider system consists of two major subsystems. The first subsystem, called a video server (20, 22, 24), streams video to video on demand subscribers through the cable television network. The second subsystem, called the transaction server (12), performs virtually all remaining provider functions including security, accounting, storage and spooling of video data, etc. The video server (20, 22, 24) is preferably implemented using a plurality of personal computers. The transaction server (12) preferably uses a large scale mainframe computer.

L'invention concerne un procédé et un appareil permettant d'offrir des services vidéo efficaces sur demande à un abonné de télévision câblée. Le système fournisseur se compose de deux sous-systèmes principaux, le premier appelé serveur vidéo (20, 22, 24) passe des vidéos en continu à la demande des abonnés via le réseau de télévision câblée, le second appelé serveur de transaction (12) assume virtuellement toutes les autres fonctions de fournisseurs, y compris la sécurité, la comptabilité, le stockage et l'enroulement des données vidéo, etc. Le serveur vidéo (20, 22, 24) est utilisé de préférence avec une pluralité d'ordinateurs personnels, tandis que le serveur de transaction (12) utilise de préférence un ordinateur central très puissant.

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