Bayesian network-based internetware dependability evaluation model

A Bayesian network and Internet software technology, applied in the field of Internet software reliability evaluation model, can solve the problems of not considering the system structure in depth, not considering the characteristics of Internet software, lack of research results, etc.
CN101908019AInactive Publication Date: 2010-12-08NANKAI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NANKAI UNIV
Publication Date
2010-12-08
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a Bayesian network-based internetware dependability evaluation model. By aiming at the structural complexity of the internetware and the dynamic characteristics of a system, and researching the system structure of the internetware by using a theory of a software architecture, a structural pattern-based internetware dependability evaluation method is put forward; an architecture model and a semantic structure model of the internetware are established, and structural and semantic analyses are performed on the internetware from top to bottom; a structural pattern-based conditional probability matrix and the Bayesian network are established, a calculating method of system dependability and structure dependability evaluation indexes is put forward, and the dependability of the overall system is calculated from bottom to top according to the dependability of each entity; and the operational characteristics of the system are comprehensively evaluated by using the Bayesian network to perform integration so as to perfect the dependability evaluation system of the internetware. Practices prove that an internetware dependability evaluation method of the invention is reliable, has systematicness and completeness, and can be used in the fields of software dependability techniques and software evaluation techniques.
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Description

【Technical field】

[0001] The invention belongs to the field of software credibility technology and software evaluation technology, and in particular relates to a Bayesian network-based network software credibility evaluation model. 【Background technique】

[0002] Dependability refers to the fact that the services provided by the computer software system are proven and trustworthy. According to different user requirements for system functions, users often have different emphasis on system credibility requirements, and each aspect is an attribute of credibility. Credibility consists of the following properties: Availability, Reliability, Safety, Confidentiality, Integrity and Maintainability. Software credibility is increasingly becoming the focus of attention.

[0003] In the 21st century, the network represented by the Internet has gradually integrated into all aspects of human society, which has greatly promoted the process of globalization and expanded the development sp...

Claims

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