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Network Service Reliability Analysis Method Based on Information Flow

A technology of network business and analysis method, applied in the field of network business reliability analysis based on information flow

Active Publication Date: 2020-08-04
BEIHANG UNIV
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  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to provide a network service reliability analysis method based on information flow to solve the problem in the prior art that it is difficult to comprehensively analyze the reliability of different performance indicators of the entire network multi-service

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  • Network Service Reliability Analysis Method Based on Information Flow
  • Network Service Reliability Analysis Method Based on Information Flow
  • Network Service Reliability Analysis Method Based on Information Flow

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Embodiment Construction

[0042] The present invention will be described in further detail below in conjunction with accompanying drawings and examples.

[0043] The invention is an information flow-based network service reliability analysis method, which can comprehensively analyze the reliability of different performance indexes of the whole network multi-service. The present invention selects time delay and packet loss to describe in detail the method proposed by the present invention. The following is a network service reliability analysis case, and the specific steps are as follows:

[0044] Step 1: Determine the weight and failure criteria of each business according to engineering applications and user requirements.

[0045] For each business i (i=1, L, M), the performance indicators to be investigated are delay and packet loss. In this embodiment, the weight of each business is 1, namely ω i = 1; take the delay threshold of all services as T i =10, the packet loss threshold is K i =0; take th...

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Abstract

The invention discloses a network service reliability analysis method based on information flow, which comprises the following steps: step one: determining weight and fault criterion of each service according to engineering application and user requirement; step two: modelling and dynamically simulating the service operated via the network, including data generation, transmission, queuing and removal; step three: estimating reliability of the service. The network service reliability analysis method based on information flow in the invention has the advantages: (1) different performance indexesof multiple services of the whole network can be comprehensively subjected to reliability analysis. The service operated via the network is subjected to modelling and dynamic simulation based on an information flow model; a specific performance index value of each service can be obtained under operation of multi-service; and pointed estimation can be achieved according to the specifications of the service reliability; (2) according to the network service reliability analysis method based on information flow in the invention, multi-service reliability estimation is carried out according to theweight occupied by each service in the whole network service, thereby reflecting the importance degree of different services and the demand degree of a user for different services.

Description

technical field [0001] The invention belongs to the technical field of reliability and safety (safety system engineering), and in particular relates to an information flow-based network service reliability analysis method. Background technique [0002] Network service reliability refers to the ability of the network to complete specified functions for services under specified conditions and within a specified time. The prescribed conditions refer to the condition that all components (including hardware and software) can work normally, the prescribed time refers to the services in the network within the specified working hours, and the prescribed functions refer to the service quality of the services meeting the requirements. The difference between existing service reliability analysis models is mainly for different failure criteria, such as service delay index, service congestion index, and so on. However, multiple services running on the network usually have different perf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24
CPCH04L41/14H04L41/145
Inventor 黄宁王春霖孙利娜李碧薇
Owner BEIHANG UNIV
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