NIEM被描述为一个框架，因为它不只是用于信息交换的一个xml词汇表，它包含几个组件。
NIEM is described as a framework, because it is not just an XML vocabulary for information exchange. It has several components.
在动态路由，设备自动建立和维护路由表的使用路由协议交换信息的周围的网络拓扑。
In dynamic routing, devices build and maintain their routing tables automatically by using routing protocols to exchange information about the surrounding network topology.
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