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为了解决实时域间路由动态监测的问题,提出了一种基于路由协议交互的域间路由监测方法。该方法通过一个具有部分路由引擎功能的监测代理连接网络,获取网络中的路由交互信息,通过对路由交互信息的分析,监测网络拓扑的变化情况以及其他网络动态行为。在实际工作中,实现了一个基于该方法的域间路由动态监测系统,并部署于第二代中国教育和科研计算机网CERNET 2中。该方法能够实时地分析域间路由的动态性,并且几乎不会对网络和路由器造成额外的负担。
In order to solve the problem of dynamic monitoring of real-time inter-domain routing, an inter-domain routing monitoring method based on routing protocol interaction is proposed. The method connects to the network through a monitoring agent with some routing engine functions to obtain the route interaction information in the network. Through analyzing the route interaction information, the method monitors the change of the network topology and other network dynamic behaviors. In practice, an interdomain routing dynamic monitoring system based on this method is implemented and deployed in the second generation of China Education and Research Network CERNET 2. This approach analyzes the dynamics of inter-domain routing in real time with minimal additional burden on the network and routers.