由应用程序指定通信服务质量是网络多媒体应用对多媒体通信技术提出的主要要求。
The main requirement of network multimedia application to multimedia communication technology is allowing application program to set the Quality of Service of communication.
基于信道预约，协议采用分类调度机制以满足多媒体业务中各类业务的服务质量需求。
Based on the channel reservation, designed the classified types scheduling mechanism to satisfy the quality of service (QoS) of the multimedia applications.
第三，路由交换设备必须能够提供良好的服务质量保障，使得网络实时多媒体业务从应用级平稳过渡到运营级。
Third, they should support good quality of service, which can make the transition of real-time multimedia traffic from application level to carrier grade smoothly.
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