Video distribution system and video distribution method
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United States of America Patent
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May 7, 2013
Grant Date -
Apr 22, 2010
app pub date -
Jan 28, 2008
filing date -
Jan 26, 2007
priority date (Note) -
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Abstract
A video distribution system according to the present invention includes a user terminal, an SIP session controller, and a video distribution server. When the SIP session controller receives a request to establish a session, the SIP session controller establishes a session between the user terminal and the video distribution server, and controls a bandwidth controller to reserve a bandwidth for the distribution of video content in a communication path between the user terminal and the video distribution server. The video distribution server sends a bandwidth changing request for requesting the SIP session controller to change the bandwidth to reserve a bandwidth depending on a fraction of the bandwidth that is needed for distributing video content. In response to the bandwidth changing request, the SIP session controller further secures a bandwidth for the distribution of video content in the communication path between the user terminal and the video distribution server.
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