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Codebook-based network fault diagnosis method

A technology of network faults and diagnostic methods, applied in the computer field, can solve problems such as the increase of computational complexity

Active Publication Date: 2021-07-06
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The main difficulty in solving the above set covering problem is that this is an NP-hard problem, and its computational complexity increases geometrically with the increase of |S| and |F|

Method used

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  • Codebook-based network fault diagnosis method
  • Codebook-based network fault diagnosis method
  • Codebook-based network fault diagnosis method

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Embodiment Construction

[0051] The present invention will be further described below in conjunction with drawings and embodiments.

[0052] In implementation, in order to be able to monitor the operation of the network in real time, a network anomaly detection module can be deployed in the network center to judge the health of the network by monitoring some indicator information and event information in the network. When a network fault occurs, relevant technical personnel record and store the abnormal symptoms and fault diagnosis results of the network.

[0053] figure 1 A flow chart of a method for generating an optimized codebook matrix in an embodiment of the present invention is shown.

[0054] By entering historical diagnostic data, follow c ij =p(s i |f j ) to construct the initial codebook matrix, and then optimize the codebook matrix through the codebook analysis and optimization component to reduce the number of symptoms of the codebook matrix and obtain the optimized codebook matrix. ...

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Abstract

The invention discloses a codebook-based network fault diagnosis method, and the method comprises the steps: obtaining network fault monitoring data which comprises the statistics of an observable symptom corresponding to a network fault; and inputting the data into a codebook matrix optimized by an algorithm, and searching and analyzing by using a heuristic search algorithm to obtain a network fault diagnosis result under the monitoring data. By adopting the method provided by the invention, the codebook matrix can be efficiently constructed so as to carry out automatic diagnosis on the network.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to a codebook-based network fault diagnosis method. Background technique [0002] When maintaining the normal operation of the network, the operation and maintenance personnel of large-scale network centers often need to detect, explain and deal with network faults. Among them, network faults can be defined as abnormal conditions in network operation, usually caused by hardware or software. faults, or performance bottlenecks. A fault caused by a network component may cause symptoms to appear in several related components, and operation and maintenance personnel need to observe and analyze several symptoms to identify and locate the root cause of the fault. [0003] In related technologies, technicians often speculate and locate existing network faults based on past expert experience. Common diagnostic methods include the codebook method based on statistics and analysis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26G06K9/62
CPCH04L41/142H04L41/0677H04L43/08G06F18/2415
Inventor 程鹏欧阳晨耿若鹏刘昊俣陈积明吕彪祝顺民
Owner ZHEJIANG UNIV
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