Network management protocol and the general model of network management have been analyzed. The centralized, hierarchical and distributed system structure of network management have been put forward.
分析了网络管理协议和网络管理的一般模型，给出了集中式、分层式和分布式三种网络管理体系结构。
Based on the self developing asynchronous parallel communication card the system, adopts a tree or hierarchical topology structure and develops a real time communication protocol.
该系统基于自行设计的异步并行通讯卡，采用树型分级拓扑结构，并开发了相应的实时通讯协议。
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