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Comprehensive service station virtual network fault diagnosis method and device

A virtual network and fault diagnosis technology, applied in data exchange network, digital transmission system, electrical components, etc., can solve the problem of low accuracy of virtual network fault diagnosis and achieve the effect of improving network fault diagnosis rate

Active Publication Date: 2021-05-28
STATE GRID SHANDONG ELECTRIC POWER +3
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the purpose of one or more embodiments of this specification is to propose a virtual network fault diagnosis method and device for an integrated service station to solve the problems in the prior art The problem of low accuracy of virtual network fault diagnosis

Method used

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  • Comprehensive service station virtual network fault diagnosis method and device
  • Comprehensive service station virtual network fault diagnosis method and device
  • Comprehensive service station virtual network fault diagnosis method and device

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Embodiment

[0130] The experimental environment is generated using the GT-ITM tool. The experimental environment includes two types of networks, the underlying network and the virtual network. The number of network nodes in the underlying network is increased from 100 to 600, and the network nodes in the virtual network obey (5, 10) uniform In terms of virtual network service simulation, the shortest path connection between any two points in the virtual network is used for simulation. In the fault simulation of the underlying link, the prior failure probability of each virtual link is set to obey [0.005,0.05 ] uniform distribution. In order to verify the performance of the algorithm VNSFDA-DEE of the present invention, the algorithm of the present invention is compared with the Fault Diagnosis Algorithm with Maximum Interpretation Ability (VNSFDA-MIA). In terms of the indicators of the algorithm, it is analyzed from three dimensions: the accuracy rate of the fault diagnosis algorithm, the...

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Abstract

According to the comprehensive service station virtual network fault diagnosis method and device provided by one or more embodiments of the invention, the fault propagation model is constructed, false fault nodes are firstly removed, and the virtual services are sorted based on the fault risk degree, so that important virtual services are diagnosed preferentially, and for each virtual service, and the interpretation capability of the corresponding suspected fault node to the virtual service is calculated, thereby constructing a fault set, and effectively improving the network fault diagnosis rate.

Description

technical field [0001] One or more embodiments of this specification relate to the technical field of virtual network fault diagnosis, and in particular to a virtual network fault diagnosis method and device for an integrated service station. Background technique [0002] Due to the advantages of on-demand expansion and dynamic scheduling, network virtualization technology has gradually become a key technology for efficient network operation in recent years. [0003] When disasters such as fires, floods, mudslides, and earthquakes occur in a certain area, large-scale failures will occur in the network. In this context, for network operators, how to ensure fast recovery of key service failures, thereby ensuring the availability of key services, is an urgent problem to be solved. [0004] In the prior art, existing network fault diagnosis models include a binary dependency fault model, a graphic dependency fault model, a Bayesian dependency matrix model, and the like. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L41/0631H04L41/065H04L41/0677H04L41/12H04L41/142H04L41/145
Inventor 李铭赵磊邱吉福李文升管春伟崔立勃张浩刘军雨王艳茹李坤曹明明付振霄赵晶侯路刘卉马文洁张洁郭丹丹佘蕊
Owner STATE GRID SHANDONG ELECTRIC POWER
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