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在软交换网络中,IP承载网的传输质量对网络的服务质量起着至关重要的作用。但由于IP网络很难保证提供特定的传输质量,所以对IP承载网的传输质量进行实时监测就很有必要。文中描述的监测系统能实时监测IP承载网的时延、时延抖动和丢包率,可为软交换网络的维护和扩容等工作提供准确、及时的信息。文中描述了该监测系统的体系结构,给出了实现的三个关键技术。
In softswitch networks, the quality of IP bearer network transmission plays a crucial role in the quality of service of the network. However, since IP networks can not guarantee to provide specific transmission quality, it is necessary to monitor the transmission quality of IP bearer network in real time. The monitoring system described in this paper can monitor IP bearer network delay, delay jitter and packet loss rate in real time, which can provide accurate and timely information for the maintenance and expansion of the softswitch network. The paper describes the architecture of the monitoring system and gives three key technologies to realize.