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    • 1. 发明授权
    • Video distribution system and video distribution method
    • 视频分配系统和视频分配方式
    • US08438605B2
    • 2013-05-07
    • US12524195
    • 2008-01-28
    • Kaori SugiyamaKatsuhiro Ochiai
    • Kaori SugiyamaKatsuhiro Ochiai
    • H04N7/173
    • H04L65/4069H04L65/1006H04L65/80
    • 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.
    • 根据本发明的视频分发系统包括用户终端,SIP会话控制器和视频分发服务器。 当SIP会话控制器接收到建立会话的请求时,SIP会话控制器在用户终端和视频分发服务器之间建立会话,并且控制带宽控制器以保留在视频内容的分配中的带宽, 用户终端和视频分发服务器。 视频分发服务器发送带宽改变请求,用于请求SIP会话控制器以根据分配视频内容所需的带宽的一部分来改变带宽以保留带宽。 响应于带宽改变请求,SIP会话控制器进一步确保用于用户终端和视频分发服务器之间的通信路径中的视频内容分发的带宽。
    • 4. 发明申请
    • VIDEO DISTRIBUTION SYSTEM AND VIDEO DISTRIBUTION METHOD
    • 视频分配系统和视频分配方法
    • US20100100914A1
    • 2010-04-22
    • US12524195
    • 2008-01-28
    • Kaori SugiyamaKatsuhiro Ochiai
    • Kaori SugiyamaKatsuhiro Ochiai
    • H04N7/173
    • H04L65/4069H04L65/1006H04L65/80
    • 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.
    • 根据本发明的视频分发系统包括用户终端,SIP会话控制器和视频分发服务器。 当SIP会话控制器接收到建立会话的请求时,SIP会话控制器在用户终端和视频分发服务器之间建立会话,并且控制带宽控制器以保留在视频内容的分配中的带宽, 用户终端和视频分发服务器。 视频分发服务器发送带宽改变请求,用于请求SIP会话控制器以根据分配视频内容所需的带宽的一部分来改变带宽以保留带宽。 响应于带宽改变请求,SIP会话控制器进一步确保用于用户终端和视频分发服务器之间的通信路径中的视频内容分发的带宽。