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    • 5. 发明授权
    • Load balancing and admission scheduling in pull-based parallel video servers
    • 基于拉式并行视频服务器的负载平衡和准入调度
    • US08577985B2
    • 2013-11-05
    • US13339307
    • 2011-12-28
    • Yiu Bun Lee
    • Yiu Bun Lee
    • G06F15/16
    • H04N21/6375H04N7/17336H04N21/23103H04N21/2318H04N21/2396
    • A pull-based parallel video server system and method of implementation useful in an on-demand video system includes a plurality of slave admission schedulers operating in parallel with a master admission scheduler to back up the master admission scheduler that controls access to an array of pull-based video servers according to a protocol that accounts for jitter and loss of packets, as well as network delays. A transport protocol is provided that improves video data throughput under such conditions. To determine the architecture and functional requirements of the redundant admission schedulers, an analytical tool in the form of a performance model has been developed that incorporates network delays, delay jitters and packet losses on the communication links between the clients, schedulers and servers.
    • 基于拉式的并行视频服务器系统和在按需视频系统中有用的实现方法包括多个从主接纳调度器,其与主接纳调度器并行操作以备份控制对拉取阵列的访问的主接纳调度器 的视频服务器,根据协议,解决了数据包的抖动和丢失以及网络延迟。 提供了一种在这种条件下提高视频数据吞吐量的传输协议。 为了确定冗余接纳调度器的架构和功能需求,已经开发了一种性能模型形式的分析工具,其中包括客户端,调度器和服务器之间的通信链路上的网络延迟,延迟抖动和数据包丢失。