An algorithm based on SNMP and ICMP to discover topology structure of network and the method of visualizing them are introduced.The experience gained from development is summarized.

• 介绍了采用ICMP协议和SNMP协议对网络拓扑结构进行广度搜索的算法和拓扑结构的图形化显示的方法,并进行了实际开发中的经验总结。