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网络拓扑结构的发现是网络管理的基础,网络拓扑结构发现的主要目的是获取并维护网络节点的存在性信息和它们之间存在的连接关系信息,并在这个基础上绘制出整个网络拓扑图。管理人员通过网络拓扑结构还能对网络故障进行定位,发现整个网络的阻碍与束缚,来改善整个网络性能。
The discovery of network topology is the foundation of network management. The main purpose of network topology discovery is to obtain and maintain the existence information of network nodes and the connection relation between them, and draw the whole network topology map on this basis. Managers through the network topology can also locate the network failure and find the obstacles and constraints of the entire network to improve the overall network performance.