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提出一种服务质量受控型组管道,作为基于服务质量的平台层多媒体组通信抽象,以支持分布式多媒体组通信机制的描述与开发.给出了服务质量受控型组管道的形式定义,详细讨论了其工作过程.该抽象已被成功地用于指导分布式多媒体信息系统、计算机会议系统、远程教学系统等系统中的组通信机制的开发工作.实验结果表明,服务质量受控型组管道可以作为分布式多媒体组通信机制的开发指南.
This paper proposes a QoS-based group of pipelines as a platform-level multimedia group communication abstraction based on QoS in order to support the description and development of distributed multimedia group communication mechanisms.The formal definition of service-quality-controlled group pipelines is given, The work process is discussed in detail.The abstraction has been successfully used to guide the development of group communication mechanism in distributed multimedia information systems, computer conferencing systems, distance learning systems and other systems.The experimental results show that the quality of service controlled group Pipes serve as a guide to developing distributed multimedia group communication mechanisms.