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

Inactive Publication Date: 2011-09-21
WUHAN MAIWE OPTOELECTRONICS TECH
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of the existing network topology structure and node information collection method, such as high occupancy rate of CPU and network resources, low collection efficiency of network node information, and difficulties in specific implementation, etc., and propose a New Network Topology Structure and Node Information Collection Method

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  • Network topology structure and node information gathering method

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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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Abstract

The invention relates to a network topology structure and a node information gathering method, which are applied to a network topology structure in industrial Ethernet equipment and accurate search of network information. The method mainly comprises the following steps of: presetting interface information and an interface index of neighboring node state information in an exchange equipment host computer; receiving a neighbor finding report by using a network management terminal; determining the linking relation between ports according to the port linking state of the neighbor finding report and neighboring node information by using a network equipment node; and establishing a network topological diagram according to the port linking relation by using the network management terminal to perform corresponding network management.

Description

technical field [0001] The present invention relates to the field of computer network management, and more specifically, relates to a method for collecting Ethernet switch network topology and node information, especially the node information and network topology of a large-scale real-time monitoring network management system in industrial Ethernet exact search method. Background technique [0002] The network topology discovery mechanism in the network management system can discover the device nodes and topology structure in the network, including all node elements in the network, and also has the function of information collection, such as collecting the discovered node network device port ID, link status, running status, MAC address, etc. As the basis of network management system function development, the purpose of network topology discovery is to provide a view of network operation, which is an important means of configuration management and fault management in network...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/24H04L12/26
Inventor 周厚明文赫胜胡浩
Owner WUHAN MAIWE OPTOELECTRONICS TECH
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