Multimedia distribution over wide area networks

H - Electricity – 04 – L

Patent

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Details

H04L 12/66 (2006.01) H04N 7/173 (2006.01) H04N 7/16 (2006.01)

Patent

CA 2130395

A video distribution management system utilizes a shared video library and a wide area network to deliver video files to local caches on the local area networks serving a subset of local viewing stations. A combination of direct local cache access, scheduled future local cache access and speed match distribution of video files makes the overall system both efficient and economical. In particular, a locally stored preface of a video file can be immediately viewed on the local area network while the balance of the video file is transmitted from the remote video library.

L'invention est un système de gestion servant à la distribution de signaux vidéo qui utilise une vidéothèque mise en commun et un réseau longue distance pour transmettre les fichiers vidéo aux antémémoires locales des réseaux locaux qui desservent un sous-ensemble de stations de visionnement locales. En combinant l'accès direct aux antémémoires locales, l'accès aux antémémoires locales futures prévues et la distribution rapide des fichiers vidéo, on obtient un ensemble global efficace et économique. En particulier, la préface stockée localement d'un fichier vidéo peut être visionnée immédiatement sur le réseau local pendant que le reste de ce fichier est transmis par la vidéothèque éloignée.

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