多媒体应用的多播框架

De-Kai Liu, Ren-Hung Hwang, Jenq-Muh Hsu
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引用次数: 0

摘要

描述一个新的框架,该框架支持分布式多媒体应用程序的可扩展和高效多播传输,称为SEMA。SEMA有两个关键特性:可伸缩和高效的组播,以及信息分类。在SEMA中,考虑到多媒体传输的时间限制,采用了可扩展的高效组播机制。因此,它适用于具有实时性的多媒体传输。通过仿真验证了系统的可扩展性和效率特性。此外,信息分类可以鼓励多媒体服务器将原始多媒体流分解为几个分层的子流,这样每个子流都具有部分表示功能,并且可以在选定的多播组上传输到媒体客户端。然后,媒体客户端可以根据自己的播放能力选择接收哪些子流。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A multicast framework for multimedia applications
Describes a novel framework, which supports scalable and efficient multicast transmission for distributed multimedia applications, referred to as SEMA. SEMA has two key features: scalable and efficient multicasting, and information classification. In the proposed SEMA, the scalable and efficient multicast mechanism takes time constraints of multimedia transmission into account. Hence, it is suitable for multimedia transmission having the real-time properties. Simulations are performed to justify the scalability and efficiency features. Additionally, information classification can encourage multimedia servers to decompose original multimedia streams into several layered sub-streams such that each sub-stream has part of the presentation capability and can be transmitted to media clients on a chosen multicast group. Media clients then can choose what sub-streams to receive according to their playback capability.
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