Fast channel change with conditional return to multicasting

H - Electricity – 04 – N

Patent

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Details

H04N 21/63 (2011.01) H04N 7/24 (2011.01)

Patent

CA 2597836

In a digital video network that is capable of distributing digital video content to a client via multicasting and unicasting, servicing a channel change request from a client involves switching from providing the digital video content to the client via multicasting to providing the digital video content to the client via unicasting and continuing to provide digital video content to the client via unicasting until a pre- established condition is met. Continuing to provide digital video content to the client via unicasting until a pre-established condition is met allows the network to opportunistically switch the client from unicasting back to multicasting.

Dans un réseau vidéo numérique qui permet de distribuer un contenu vidéo numérique à un client par multidiffusion et unidiffusion, le traitement d'une demande de changement de canal faite par un client consiste à passer de la fourniture de contenu vidéo numérique au client par multidiffusion à la fourniture de contenu vidéo numérique au client par unidiffusion et à poursuivre la fourniture de contenu vidéo numérique au client par unidiffusion jusqu'à ce qu'une condition préétablie soit remplie. En continuant à fournir un contenu vidéo numérique au client par unidiffusion jusqu'à ce qu'une condition préétablie soit remplie, le réseau peut faire repasser de façon opportune le client de l'unidiffusion à la multidiffusion.

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