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Method and system for reducing latency in a multi-channel multicast streaming environment in content-delivery networks
Method and system for reducing latency in a multi-channel multicast streaming environment in content-delivery networks
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机译:减少内容交付网络中多通道多播流环境中的延迟的方法和系统
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摘要
Methods, systems and apparatus for reducing apparent latency in content-delivery networks are provided. Sources multicast certain ‘preview multicast streams’ to multiple subscribers. These preview multicast streams provide pre-recorded content of multicast streams. When a subscriber switches to a desired multicast stream, pre-recorded content of the desired multicast stream is reconstructed from a preview multicast stream. Thereafter, the pre-recorded content is played during the setup of the new multicast distribution tree to minimize latency. Once the distribution tree is setup, live content of the desired multicast stream is made available to the subscriber.
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