Network topology structure and node information gathering method
A technology of topology and node information, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve the problems of high CPU and network resource occupancy, difficulty in implementation, and low efficiency of network node information collection, and achieve high accuracy. High and efficient topology establishment and information collection methods, and the effect of improving the fault diagnosis rate
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[0033] specific implementation plan
[0034] Technical scheme of the present invention is as follows:
[0035] (1) Two methods of polling and interrupt are used to collect data from managed devices. The information collection method based on polling lacks real-time performance, and too frequent polling will increase the burden on the network. This scheme is designed to refresh the information of all nodes in the network in the order of IP from small to large every ten minutes. When an abnormal event occurs, the interrupt-based method can immediately notify the network management workstation (assuming that the device has not crashed and there is still an available communication path between the managed device and the management workstation). The agent (Agent) in the managed device can report error conditions to the network management workstation at any time, such as the status of the port itself and the link status with other network nodes. The agent does not need to wait unt...
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