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GB/T 25000.1-2021: Systems and software engineering - Systems and software quality requirements and evaluation(SQuaRE) - Part 1: Guide to SQuaRE
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Basic data | Standard ID | GB/T 25000.1-2021 (GB/T25000.1-2021) | | Description (Translated English) | Systems and software engineering - Systems and software quality requirements and evaluation(SQuaRE) - Part 1: Guide to SQuaRE | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L77 | | Word Count Estimation | 22,252 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 25000.1-2021: Systems and software engineering - Systems and software quality requirements and evaluation(SQuaRE) - Part 1: Guide to SQuaRE
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Systems and software engineering - Systems and software quality requirements and evaluation(SQuaRE) - Part 1.Guide to SQuaRE
ICS 35.080
L77
National Standards of People's Republic of China
Replace GB/T 25000.1-2010
System and Software Engineering
System and Software Quality Requirements and Evaluation (SQuaRE)
Part 1.SQuaRE guide
[ISO /IEC 25000.2014,Systemsandsoftwareengineering-
Released on 2021-04-30 and implemented on 2021-11-01
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Compliance 7
5 Introduction to each part of GB/T 25000 standard 7
6 GB/T 25000 standard public model 9
Appendix A (informative appendix) The relationship between the GB/T 25000 standard and the relevant national standards or ISO standards 12
Reference 16
System and Software Engineering
System and Software Quality Requirements and Evaluation (SQuaRE)
Part 1.SQuaRE guide
1 Scope
This part of GB/T 25000 provides guidelines for the use of the GB/T 25000 overall standard. This part is intended to be the GB/T 25000 standard
Provide a comprehensive description of the content, public reference models and definitions, and the relationship between the parts, allowing users to apply this book according to their purpose of use.
section.
The GB/T 25000 standard is applicable but not limited to developers, purchasers and independent evaluators of systems and software products, especially those responsible for
Define the system and software quality requirements, and the personnel who evaluate the system and software products.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
The following terms and definitions apply to this document.
Note. The following definitions apply to all parts of GB/T 25000.
3.1
Attribute
The inherent properties or characteristics of an entity. It can be distinguished quantitatively or qualitatively by manual or automated means.
Note. GB/T 19000 distinguishes two types of attributes. a persistent characteristic inherent in things; characteristics assigned to products, processes or systems (such as product
The price of the product, the owner of the product). The assigned characteristics are not inherent quality characteristics of the product, process, or system.
[Source. ISO /IEC /IEEE15939.2017, definition 3.2, with modification]
3.2
Basemeasure
A measure defined in accordance with a certain attribute and a method of quantifying it.
Note 1.A basic measure is functionally independent of other measures.
Note 2.Based on the definition of "basic quantity" in the.2012 edition of the International Metrology Vocabulary-Basic and General Concepts and related terms.
[Source. ISO /IEC /IEEE15939.2017, definition 3.3]
3.3
Contextofuse
Users, tasks, equipment (hardware, software, and materials), and physical and social environments that use a product.
3.4
Customsoftware
Software products developed for specific applications according to user requirements specifications.
5.3 GB/T 25000.10---System and software quality model
This part describes the model of system and software product quality and use quality, and gives the characteristics of software product quality and use quality
And sub-characteristics.
5.4 GB/T 25000.12---Data quality model
This part defines a general data quality model for the data stored in a structured format in a computer system. This part
The data quality model defined in can be used to establish data quality requirements, define data quality metrics, or plan and execute data quality evaluations.
5.5 GB/T 25000.20---Quality measurement framework
This part gives a public reference model for the measurement of quality measurement elements, software internal quality and software external quality and quality of use, and
Provided an introductory explanation. This part provides guidelines for users to select, develop and apply the measures in national standards.
5.6 GB/T 25000.21---Quality measurement elements
This part gives a set of recommended definitions and specifications of basic and derived measures, which are expected to be in the entire system and software development life cycle
These measures can be applied internally. The measures described in this section can be used as internal software quality, system and software external quality, and system and software external quality.
Pieces use quality measurement inputs.
5.7 GB/T 25000.22---Use quality measurement
This part describes a set of measures used to measure the quality of use, and provides guidelines for the use of system and software to measure the quality of use.
5.8 GB/T 25000.23---System and software product quality measurement
This part defines the quality measurement in order to quantitatively measure the system and software according to the characteristics and sub-characteristics defined in GB/T 25000.10
Product quality, and is intended to be used with GB/T 25000.10.
5.9 GB/T 25000.24---Data quality measurement
This part defines quality measures to quantitatively measure data quality based on the characteristics defined in GB/T 25000.12.
5.10 GB/T 25000.30---Quality Requirements Framework
This part gives the requirements and guidelines for the process of specifying the quality requirements, and gives the requirements and suggestions for the quality requirements.
5.11 GB/T 25000.40---Evaluation process
This part contains requirements and suggestions for evaluating system and software product quality, and clarifies general concepts. This section provides a
To describe the process of evaluating system and software product quality, and to specify the requirements for applying this process.
5.12 GB/T 25000.41--Evaluation guidelines for developers, demanders and independent evaluators
This part gives specific requirements and suggestions for developers, demanders and independent evaluators.
5.13 GB/T 25000.45---Recoverability evaluation module
This section provides specifications for evaluating the recoverability sub-characteristics defined under the reliability characteristics in the quality model. It determines when the information system
When the execution of one or more software products included in the system is disturbed, the system and software are in the external quality of fault tolerance and autonomous recovery index
Measured.
5.14 GB/T 25000.51---Quality requirements and test rules for ready-to-use software products (RUSP)
This part establishes the quality requirements of RUSP software products and the requirements of test documents in RUSP testing, including test plans, test
Description and test results. This part provides guidance for the conformity evaluation of RUSP software products.
5.15 GB/T 25000.62---Common Format for Usability Test Report Industry (CIF)
This section introduces the overall framework of information related to ease of use. It describes a potential standard of the Industry Common Format (CIF) and records the
Specification and evaluation of the ease of use of the interactive system. This part gives a general overview of the CIF framework, content, definitions, and the relationship between the elements of the framework.
6 GB/T 25000 standard public model
6.1 General
The following clauses give all public models used in the GB/T 25000 standard. These models form the basis of this standard practice,
Further explanations are provided by special and/or detailed standard documents. These models are described as follows.
a) The general reference model of GB/T 25000 standard---as a user task function, it provides navigation for GB/T 25000 standard
guide;
b) System and software product quality life cycle model --- internal quality, external quality and use quality are in the system and software life cycle
The view during the period;
c) Quality model structure---classify system and software quality into characteristics, sub-characteristics and quality attributes.
6.2 General reference model of GB/T 25000 standard
Establish a general reference model of the GB/T 25000 standard (see Figure 2) to help users navigate the GB/T 25000 standard.
The selection of appropriate standards and documents from the GB/T 25000 standard depends on the user's role and information needs. In addition to the specific letter with them
In addition to the part related to the role of information, it is recommended that all users refer to the general guide at the beginning.
Note. The requirements specification and evaluation process have not yet involved data quality evaluation.
Appendix A
(Informative appendix)
The relationship between GB/T 25000 standard and relevant national standards or ISO standards
A.1 GB/T 20917-2007
The GB/T 25000 standard has a very close relationship with GB/T 20917, because GB/T 20917 has been integrated with the measurement phase.
It can also be applied to the evaluation process defined in the GB/T 25000 standard.
GB/T 20917 defines a common process and behavior, which is necessary for the successful identification of the entire project or organizational measurement structure.
It is necessary to distinguish, define, select, confirm and improve software measurement. This standard also identifies effective solutions in a project or management context
Software technology and management information require the principles and characteristics of the required measurement process.
The purpose of GB/T 20917 is.
a) Provide a universally defined and tailorable measurement process to support the realization of specific measurements required in the field of software engineering;
b) Establish the characteristics of the measurement process to support the integration of process and product measurement data into meaningful information;
c) Establish a basis for the collection and utilization of measurement data within the scope of the project to support project estimation and tracking, product evaluation,
Process evaluation and improvement needs;
d) Define general measurement terms applicable to all users and the entire life cycle.
A.2 GB/T 22032-2021
GB/T 22032 establishes a general framework for describing life cycle systems created by humans. It defines a series of processes and related techniques
language. These processes can be applied to any level in the system structure. The selected process set can be applied to the entire life cycle,
In order to manage and execute the various stages of the system life cycle.
The purpose of GB/T 22032, especially in the technical process, is.
a) Define the requirements of the system, which can provide users and other stakeholders with the required services in a specific environment;
b) Transform the stakeholder and demand-driven perspective of the required service into a technical perspective that can deliver the product required by the service;
c) Comprehensive solutions to meet system requirements through architecture design;
d) Generate designated system elements;
e) Combine a system consistent with the architecture design;
f) Confirm that the system has achieved specific design requirements;
g) Establish an ability to provide services specified by the needs of stakeholders in the operating environment;
h) Provide objective evidence to show that the services provided by the system in use meet the needs of stakeholders;
i) Support the ability of a system to provide services.
The process used to develop quality requirements in GB/T 25000.30 is based on the technical process of GB/T 22032.On the other hand, in
The evaluation process defined in the GB/T 25000 standard can be used to help the "confirmation process" in GB/T 22032.
A.3 ISO /IEC 12207.2017
ISO /IEC 12207.2017 has developed a general framework and terminology for the software life cycle. It includes software product supply, development,
All processes, activities, and tasks to be applied in the operation and maintenance process.
In the development process, developers need to create and record software requirements, including product quality attribute specifications. allowable
Guidance on quality characteristics is found in GB/T 25000.10.GB/T 25000.22, GB/T 25000.23 and GB/T 25000.24 are available
It can be used to assign quantitative target values to quality requirements. The GB/T 25000 standard can also be used in the development process, mainly for evaluation
Intermediate and final software products.
A.4 ISO /IEC 15504
ISO /IEC 15504 is a 10-part standard formed on the basis of the experience gained in the SPICE project. It mainly
It is used for software process assessment and process capability assessment.
The first basic assumption is that the quality of a software product is largely affected by the process of developing it. Therefore, it is necessary to improve the soft
The quality of each piece of product needs to improve the quality of the software process. The second assumption is that the quality of the software process is that the process is clearly defined, managed, and measured
And the degree of continuous improvement. This is reflected by the process capability.
The input for the evaluation is defined in ISO /IEC 15504-2.The GB/T 25000 standard can be used when evaluating the organization’s measurement and quality processes.
For a reference.
The ISO /IEC 15504 series of standards provide guidelines and identify the measurement framework of process capability and the following requirements.
a) Perform evaluation;
b) Process reference model;
c) Process evaluation model;
d) The compliance of the verification process assessment.
A.5 ISO 9000 series of standards
The ISO 9000 series of standards are designed to assist organizations of all types and sizes to realize and operate an effective quality management system.
Types of products, the series of standards include.
a) ISO 9000.2015---describes the basic points of the quality management system and specifies the terminology of the quality management system.
b) ISO /IEC 90003.2014---provide an organization to apply ISO 9001 for procurement, supply, development, operation and maintenance of computer software
Provided a guide.
c) ISO 9001.2015-specifies the requirements of a quality management system, in which an organization needs to demonstrate that it can meet customer needs
The purpose of the ability to manage and control demanded products is to improve customer satisfaction.
d) ISO 9004.2018---provides guidance for the organization's sustainable quality management, while considering the effectiveness and effectiveness of the quality management system
rate. The goal of the standard is to improve organizational efficiency and customer and other stakeholder satisfaction.
e) ISO 19011.2018---provides guidance for auditing quality and environmental management systems.
Together, they form a set of quality management system standards to promote mutual understanding in domestic and international trade. In these international standards
The required quality management system requirements and the requirements specified in the ISO /IEC JTC1/SC7 system and software engineering standards are complementary to each other.
The quality management system method encourages organizations to analyze customer needs, define processes that help customers to achieve acceptable products, and ensure the process
Controllable. The quality management system provides a framework for continuous improvement, increases the possibility of customer satisfaction, and improves the competitive advantage of the organization.
Potential. At the same time, it also brings confidence to organizations and customers, and guarantees the provision of products that fully meet their needs.
ISO 9000.2015 describes some basic points of the quality management system, which form the subject of the ISO 9000 series of standards, and at the same time
The relevant terms are defined. This international standard applies to.
a) The organization seeks advantages by implementing the quality management system;
b) Organizations gain confidence by satisfying the product needs of their suppliers;
c) the user of the product;
d) People and organizations (e.g. suppliers, customers and regulatory agencies) who need to reach a consensus on the terms used in quality management;
e) Internal or external personnel and organizations that evaluate the organization’s quality management system or audit its compliance according to the requirements of ISO 9001
(E.g. auditors, regulatory agencies and certification bodies);
f) Internal or external personnel and institutions that advise or provide training on the organization's quality management system;
g) Developers of relevant standards.
ISO /IEC 90003.2014 provides guidance for organizations to apply ISO 9001.2008 to obtain, supply, develop, operate and maintain computer software
south. This guide is applied to computer systems.
a) As part of a commercial contract with another organization;
b) As a product available in the marketing department;
c) Support the business process of the organization;
d) As software embedded in hardware products;
e) Provide software operation, maintenance and support services.
ISO /IEC 90003.2014 is usually cited as ISO /IEC /JTC1/SC7, especially ISO /IEC 9126, 12207, 15939
And additional guidance to the software engineering standards defined in 15504.
This international standard identifies the technology, life cycle model, development process, activity sequence, or organization that should be resolved.
Structure-irrelevant issues. The guidelines and the identified issues are expected to be extensive, but not exhaustive. The scope of an organization’s activities includes in addition to
In areas other than computer software development, the relationship between the computer software foundation of the organization's quality management system and other aspects should be taken as a whole
The body is clearly recorded in the quality management system.
ISO 9001.2015 specifies the requirements of a quality management system, in which the organization.
a) It needs to demonstrate its ability to provide products that are consistent with the needs of customers and applicable regulations, and
b) Aimed at enhancing customer satisfaction through the effective application of the system. include.
1) The continuous improvement process of the system and the guarantee of customer compliance, and
2) Applicable regulatory requirements.
All the requirements of this international standard are universal and are intended to be applicable to organizations of different types, sizes and offering different products.
When any requirement of this standard is not applicable due to the characteristics of the organization and its products, it can be considered to be deleted, but this reduction is limited to
For a specific subset of requirements. Such reductions must be reasonable and must not affect the organization's provision of products that meet the requirements of customers and applicable laws and regulations.
The ability or responsibility of the product.
ISO 9004.2018 provides guidance beyond the requirements given in ISO 9001, mainly to consider a quality management system.
The effectiveness and efficiency of the department, thereby improving the potential of organizational performance. Compared with ISO 9001, the goal of customer satisfaction and product quality
Targets can extend to include the satisfaction of stakeholders and the performance of the organization.
This international standard applies to organizational processes and also applies to quality management guidelines that can be deployed and implemented throughout the organization. The standard coke
The point is to obtain continuous improvement through the satisfaction measurement of customers and other interested parties.
ISO 9004 is composed of guidelines and recommended standards, and is not applicable to certification, regulations, or contracts, nor is it applicable to the implementation of ISO 9001
guide.
ISO 19011.2018 provides audit criteria, audit project management, quality management system audit operations, and environmental management system audits.
And a guide to the competence of quality and environmental management system auditors.
This standard applies to all organizations that need to audit internal and external software quality control and management, and/or environmental management systems.
In principle, it is also possible to apply this international standard to other types of audits, evaluations, and evaluations. In this case, it is necessary
Special consideration is how to define the required skills of audit team members.
A.6 ISO /IEC 29119
ISO /IEC 29119 aims to define an internationally recognized standard for software testing, which can be implemented by any organization in any form
Used when testing the software.
The ISO /IEC 29119 series consists of the following parts.
a) ISO /IEC 29119-1.2013;
b) ISO /IEC 29119-2.2013;
c) ISO /IEC 29119-3.2013;
d) ISO /IEC 29119-4.2015.
ISO /IEC 29119-1.2013 provides definitions, context and guidelines for other parts. The document includes a conceptual description of software testing and
Some application software testing process methods defined in this standard.
The test process model for this part of the standard is based on the test process defined in detail in ISO /IEC 29119-2.2013.
ISO /IEC 29119-2.2013 covers the software testing process at the organizational level and test management level, and is used at the dynamic test level.
The ISO /IEC 29119-3.2013 test document defines the templates and test cases generated during the testing process. Software testing techniques can be
Used in testing, this is defined in the testing technology of ISO /IEC 29119-4.
The relationship between the ISO /IEC 29119 series and the GB/T 25000 standard can especially be found in ISO /IEC 29119-4.2015.
Reflect, which discusses the testing of quality characteristics. From a more practical software engineering perspective, it is usually recommended to combine software testing and software quality testing.
The measurement and evaluation are integrated into a unified and effective testing activity.
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