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Real-time scheduling for multimedia services

机译:多媒体服务的实时调度

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Abstract: High-speed networks and high-performance workstations are necessary but not sufficient to support distributed multimedia applications. A real-time scheduling system designed for multimedia data types is also required to orchestrate communications channels, disk storage units, output devices, and the CPU. These subsystems are coordinated to accommodate the special requirements of multimedia data: timely retrieval, transmission, and delivery with permissible levels of data loss and corruption. In this paper we present our framework for the use of real-time scheduling disciplines to support time-dependent multimedia data in a distributed-data environment. Within this framework we propose the application of a statistical resource reservation mechanism and a real-time session scheduler. Furthermore, we relate scheduling and quality of service in a summary of the objectives of multimedia service provision and negotiation. !13
机译:摘要:高速网络和高性能工作站是必需的,但不足以支持分布式多媒体应用程序。还需要为多媒体数据类型设计的实时调度系统,以协调通信通道,磁盘存储单元,输出设备和CPU。这些子系统经过协调以适应多媒体数据的特殊要求:及时检索,传输和交付,并允许数据丢失和损坏。在本文中,我们介绍了使用实时调度规则在分布式数据环境中支持时间相关的多媒体数据的框架。在此框架内,我们建议应用统计资源保留机制和实时会话调度程序。此外,在多媒体服务提供和协商的目标摘要中,我们将调度与服务质量相关联。 !13

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