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A Network Topology Automatic Discovery Method Based on Network Probe

A technology of network probe and network topology, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems that require special hardware support, achieve wide applicability, and improve the effect of network security performance

Active Publication Date: 2017-06-23
BEIJING KUANGEN NETWORK TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some existing solutions (such as 802.11ab, LLTD protocol, etc.) have some defects, such as requiring special hardware support, etc.

Method used

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  • A Network Topology Automatic Discovery Method Based on Network Probe
  • A Network Topology Automatic Discovery Method Based on Network Probe
  • A Network Topology Automatic Discovery Method Based on Network Probe

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Embodiment Construction

[0023] The present invention will be described in detail below by taking a simple network structure as an example. It should be noted that the following examples are only used to illustrate the present invention rather than limit the present invention. The network topology automatic discovery method based on the network probe of the present invention can be used in any other distributed network besides the industrial network.

[0024] For a network containing n nodes, in order to obtain its network topology, m probes with monitoring function (such as routers with TAP function, etc.) are placed in the network. Each probe has a certain number of ports and can detect device information communicating through each port, such as the IP address of the device sending data packets, etc. Assuming that the considered network is an acyclic connected graph, in the case of complete information, that is, when every two network nodes have communication (such as sending broadcasts to the whol...

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Abstract

The invention provides a network topology automatic discovery method based on network probes. The method comprises the steps of 1, placing the network probes in a network needing to be discovered, and collecting upstream and downstream data of the probes; 2, listing division of each probe to the network, and finding the division to the network by use of a division searching method; and 3, finding connection relationships between the probes and subzones by use of a connection searching method, thereby discovering a topology. According to the network topology automatic discovering method based on the network probes, the support of specific hardware is unnecessary, the network is unnecessarily interfered by sending a data packet actively, the network structure is gradually refined by repeated use of the probes, and the method has wide applicability.

Description

technical field [0001] The invention relates to the field of network management, in particular to a method for automatically discovering network topology based on network probes. Background technique [0002] With the continuous development of the network information age and the increasing popularity of network applications in daily production and life, people rely more and more on computer networks. The safety and reliability of the network itself becomes particularly important, especially in special application fields such as industrial control. With the deepening of the industrial control automation process, the industrial control network is constantly facing threats such as malicious attacks from the external Internet and misoperations by insiders. Because the early industrial control equipment was used in a relatively closed environment, the industrial control system lacked attention to network security itself, which led to inevitable security flaws in the industrial c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24
CPCH04L41/12
Inventor 孙易安
Owner BEIJING KUANGEN NETWORK TECH
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