METHOD FOR STREAMING VIDEO CONTENT, EDGE NODE AND CLIENT ENTITY REALIZING SUCH A METHOD
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
Jul 9, 2012
filing date -
Aug 9, 2011
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Abstract
Method for streaming video content from a video server entity to a client entity via a core network and an aggregation network connected through an edge node. The server entity can be either the origin server or a serving node in a CDN that acts as a surrogate server. The video content is offered by the video server entity as a set of consecutive fragments (or chunks or segments), each fragment of this set of consecutive fragments being offered in a plurality of quality levels corresponding to respective encoded bit rates. The method comprises the steps of: transmitting via the network from said client entity to said video server entity via said edge node one or more requests for fragments with a target quality level of said video content to be displayed at said client entity; and receiving at said client entity via said network one or more replies to the requests containing fragments with said target quality levels. The method further comprises the steps of said edge node evaluating the available throughput for said client entity to transmit said fragments to said client entity over said aggregation network and said edge node informing said client entity about said available throughput.
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