System and method for improving the quality of real time...

H - Electricity – 04 – J

Patent

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Details

H04J 3/14 (2006.01) H04L 1/16 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2590158

The present invention provides a system and method for improving the quality of real-time multimedia sessions wherein each endpoint of a real-time packet stream transmits feedback reports (26) that describe the quality of the stream received by the endpoint and forward reports (28 and 32) that are based on the feedback reports received by the endpoint and that describe the quality of the stream received by the other, remote endpoint. The forward reports are used by routers to re-route packets around problems in the network that are located between the router and the remote endpoint.

La présente invention concerne un système et un procédé permettant d'améliorer la qualité de sessions multimédia en temps réel, chaque extrémité d'un flux de paquets en temps réel permet de transmettre (1) des rapports de rétroaction qui décrivent la qualité du flux reçu par l'extrémité et (2) des rapports de renvoi qui reposent sur les rapports de rétroaction reçus par l'extrémité et qui décrivent la qualité du flux reçu par l'autre extrémité éloignée. Les rapports de renvoi sont utilisés par des routeurs de manière à réacheminer des paquets autour de problèmes dans le réseau qui sont situés entre le routeur et l'extrémité éloignée.

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