AN ARCHITECTURE FOR REAL-TIME MULTIMEDIA COMMUNICATION-SYSTEMS
AN ARCHITECTURE FOR REAL-TIME MULTIMEDIA COMMUNICATION-SYSTEMS
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DOI：
10.1109/49.53015
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发表时间：
1990-04-01
影响因子：
16.4
通讯作者：
NICOLAOU, C
中科院分区：
文献类型：
--
作者：
NICOLAOU, C
多媒体通信系统包括用于传输实时数据的通信协议和分布式计算系统（DCS），使用该协议的任何应用程序都必须在其中执行。该架构尝试以平滑的方式将这些通信协议与 DCS 集成，以便简化多媒体应用程序的编写。有两个问题被认为对于这种集成的成功至关重要：相关实时数据流的同步以及异构多媒体硬件的管理。通过在表示层定义显式同步属性并在根据这些属性进行操作的 DCS 内提供控制和同步操作来解决同步问题。通过将数据传输语义（协议本身）与控制语义（协议接口）分离来解决异构性问题。<>
A multimedia communication system includes both the communication protocols used to transport the real-time data and the distributed computing system (DCS) within which any applications using the protocols must execute. The architecture presented attempts to integrate these communications protocols with the DCS in a smooth fashion in order to ease the writing of multimedia applications. Two issues are identified as being essential to the success of this integration: the synchronization of related real-time data streams, and the management of heterogeneous multimedia hardware. The synchronization problem is tackled by defining explicit synchronization properties at the presentation level and by providing control and synchronization operations within the DCS which operate in terms of these properties. The heterogeneity problems are addressed by separating the data transport semantics (protocols themselves) from the control semantics (protocol interfaces).<>