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Fault-tolerant software reliability and performance evaluation method considering association failure

A fault-tolerant software and reliability technology, applied in reliability/availability analysis, hardware monitoring, error detection/correction, etc., to achieve a good guiding role, ensure software quality and reliability, and reduce computational complexity.

Active Publication Date: 2019-08-20
BEIHANG UNIV
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to propose a kind of fault-tolerant software reliability and performance evaluation method that considers correlation failure, by introducing software correlation failure and software reliability and performance analysis method based on multi-variable Bernoulli distribution MVB, solve the reliability quantification of fault-tolerant software analyse problem

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  • Fault-tolerant software reliability and performance evaluation method considering association failure
  • Fault-tolerant software reliability and performance evaluation method considering association failure
  • Fault-tolerant software reliability and performance evaluation method considering association failure

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Embodiment Construction

[0016] Now in conjunction with accompanying drawing, the present invention is described in further detail:

[0017] Such as figure 1 As shown, a fault-tolerant software reliability and performance evaluation method considering correlated failures, the method uses discrete-time Markov chain (DTMC) to model the fault-tolerant software architecture, which can accurately describe the dynamic behavior of control flow between software components, A Markov chain (DTMC) model with a multi-level fault recovery mechanism is given. Then utilize the numerical algorithm based on multivariable Bernoulli distribution (MVB) to analyze failure correlation between components, complete the fault-tolerant software reliability and performance calculation considering correlation failure by Bernoulli distribution (MVB) parameterization and Poisson coding algorithm, the present invention applies In the process of fault-tolerant software reliability and performance evaluation, it can quantitatively r...

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Abstract

The invention relates to a fault-tolerant software reliability and performance evaluation method considering association failure, and the method comprises the steps: carrying out the modeling of a fault-tolerant software architecture through employing a discrete time Markov chain (DTMC), and obtaining a Markov chain (DTMC) model with a multi-stage fault recovery mechanism; and on the basis, analyzing the influence of the associated component failure on the software reliability by utilizing multivariate Bennefforts distribution (MVB), and meanwhile, considering the interaction between the components to complete software reliability and performance evaluation considering the associated failure. The method is applied to the fault-tolerant software reliability and performance evaluation process, and the fault-tolerant software quality and reliability level can be quantitatively reflected.

Description

technical field [0001] The invention relates to a fault-tolerant software reliability and performance evaluation method considering associated failure, and belongs to the technical field of fault-tolerant software quality and reliability evaluation in the field of mission-critical systems. Background technique [0002] With the rapid development of information technology, the complexity and scale of software systems are increasing day by day. In particular, mission-critical systems have adopted fault-tolerant designs such as multi-level fault recovery mechanisms. How to conduct more effective reliability and performance evaluations for such software It is one of the major challenges currently facing academia and industry. [0003] The existing software reliability modeling and evaluation techniques often assume that the failures of software components are independent of each other. Under this assumption, software reliability depends on the number of software components and ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/34G06F11/00
CPCG06F11/008G06F11/3447G06F11/3452
Inventor 殷永峰李骁丹刘利军张增虎
Owner BEIHANG UNIV