1. SQuaRE
Une introduction

2. SQuaRE
Software Engineering – Software product
Quality Requirements and Evaluation
(SQuaRE)

3. ISO/CEI 9126 -x « Caractéristiques de
qualité du logiciel et métriques »
ISO/IEC 14598-x « Évaluation du
produit logiciel »
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4. ISO/IEC 9126: Software Product Quality
Part 1: Quality Model (2001)
Part 2: External Metrics (2003)
Part 3: Internal Metrics (2003)
Part 4: Quality In Use Metrics (2004)
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5. ISO/IEC 14598: Software Product Evaluation
Part 1: General Overview (1999)
Part 2: Planning and Management (2000)
Part 3: Process for Developers (2000)
Part 4: Process for Acquirers (1999)
Part 5: Process for Evaluators (1998)
Part 6: Documentation of Evaluation Module (2001)
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6. Quality in the life cycle
process software product effect of software
product
influences influences influences
process internal external quality in
quality quality use
quality attributes
attributes depends on attributes contexts
depends on depends on
of use
process internal external quality in use
measures measures measures measures
© ISO/IEC 25000
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7. Relationship between ISO/IEC 9126 and ISO/IEC 14598
International Standards
Resources Evaluation Effect of the
Software
and process software
product
environment product
Evaluation Evaluation Internal External Quality in
support process metrics metrics use metrics
14598-1
14598-2 14598-3 9126-1
14598-4
14598-6 9126-3 9126-2 9126-4
14598-5
© ISO/IEC 25000
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8. ISO/CEI 250xx Software engineering -
Software product Quality
Requirements and Evaluation (SQuaRE)
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9. SQuaRE Architecture
ISO/IEC ISO/IEC 2501n: ISO/IEC
2503n: Quality Model 2504n:
Quality Division Quality
Requirement Evaluation
Division Division
ISO/IEC 2500n:
Product Quality
General
Division
ISO/IEC 2502n:
Quality
Measurement
Division
Core SQuaRE
ISO/IEC 25062 ISO/IEC 25051
SQuaRE Extension
© ISO/IEC JTC1/SC7/W6
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10. SQuaRE - 2500n:
Software Product Quality Division
2500n: Software Product Quality
2500n: Software Product Quality
25000: Guide to the SQuaRE
25000: Guide to the SQuaRE
Umbrella document
SQuaRE architecture model
Terminology from 14598-1
Overview from 9126-1.
25001: Planning and Management
Replace 14598-2
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11. ISO/IEC 25000: Guide to the SQuaRE
Purpose and Justification:
Provide a general overview of SQuaRE as the umbrella
document of the SQuaRE series.
Guide users to use the SQuaRE series.
Major Contents and Scope:
Common reference models and definitions, as well as the
relationship among the documents.
SQuaRE architecture model, terminology and overview
Explanation of the transition process between the old ISO/IEC
9126 and the 14598 series and SQuaRE
Information on how to use the ISO/IEC 9126 and 14598 series in
their previous form
Input:
ISO/IEC 9126-1, ISO/IEC 14598-1
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12. SQuaRE - 25010:Quality Model Division
2501n: Quality Model
2501n: Quality Model
25010: Quality Model
25010: Quality Model
Current 9126-1 minus generic explanations and quality
metrics. Guide to Use of a quality model.
25012: Data Quality Model
25012: Data Quality Model
New
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13. 25010: Quality Model and Guide
Purpose and Justification:
Describe a model for software product quality
Guide users to apply the model to the specific
product
Major Contents and Scope:
Internal quality, external quality and quality in use
Characteristics and sub-characteristics for internal
and external quality
Characteristics for quality in use
Guide to use the quality model
Input:
ISO/IEC 9126-1, 14598-1
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14. SQuaRE - 2502n:
Quality Measures Division
2502n: Quality Measures
2502n: Quality Measures
25020: Measurement reference Model and Guide
25020: Measurement reference Model and Guide
From 9126-1 and 9126-2,-3,4 common parts
25021: Quality Measure Element New
25021: Quality Measure Element
25022: Internal Measures Replace 9126-3
25023: External Measures Replace 9126-2
25024: Quality In Use Measures Replace 9126-4
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15. 25020: Measurement Reference Model and
Guide
Purpose and Justification:
Give general information on the quality measurement as an umbrella
document of the division.
Give guides for selection and construction of software product quality
measures.
Major Contents:
Overview, reference model and definitions. -- General requirements
(shall) for use of measures.
Guidance to users for selecting or developing, and applying metrics.
Criteria for selecting software quality measures and quality measure
elements. (Annex)
Demonstrating predictive validity and assessing measurement reliability.
(Annex)
Example format for documenting software quality measures. (Annex)
Input:
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ISO/IEC 9126-1, 14598-1 ISO/IEC SQuaRE, 2008

16. 25021: Quality Measure Elements (QME)
Purpose and Justification:
Recommend a set of QME that are used frequently.
This set of QME can be used for quality requirements
definition, quality evaluation, and for the prediction
of other software engineering characteristics.
Major Contents:
a) Description of the concept of Quality measure
elements.
b) Considerations for using Quality measure elements.
c) A recommended set of Quality measure elements.
Input:
ISO/IEC 9126-1, -2, -3, -4, ISO/IEC 14598-1
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17. SQuaRE - 2503n:
Quality Requirement Division
2503n: Quality Requirement
2503n: Quality Requirement
Single volume standard and guides
25030: Quality Requirements
25030: Quality Requirements
General guide to Quality Requirements
Requirements for Quality Requirements
Quality in Use Requirement
External Quality Requirement
Internal Quality Requirement
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18. 25030: Quality Requirements
Purpose and Justification:
Provide requirements and guides;
To identify software quality requirements,
To validate the completeness of a requirements
specification, and
To identify quality assurance criteria and acceptance
criteria for a software product.
Major Contents and Scope:
Concept of Quality Requirements.
Requirements and recommendations for the specification
of software product quality requirements.
Input:
ISO/IEC 9126-1,14598-1
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19. SQuaRE - 2504n:
Quality Evaluation Division
2504n: Quality Evaluation
2504n: Quality Evaluation
25040: Evaluation Process Overview
25040: Evaluation Process Overview
Major revision of 14598-1
25041: Developers Process Minor revision
25042: Acquirers Process Minor revision
25043: Evaluators process Minor revision
25044: Evaluation module Minor revision
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20. 25040: Evaluation Process Overview
Purpose and justification:
Describe the generic evaluation process.
Guide users to apply the quality model and measures.
Major Contents and Scope:
Introduction of the other parts of 2504n division.
General requirements for specification, design and
execution of software product evaluation process.
Framework for evaluating software product.
Requirements for methods of software product
measurement and evaluation.
Input:
ISO/IEC 9126-1, ISO/IEC 14598-1
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21. ISO/IEC WD 25045, Software
Engineering – Software product Quality
Requirements and Evaluation (SQuaRE)
– Evaluation Module for Recoverability
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22. Relationship and transition process between ISO/IEC 9126, ISO/IEC
14598 and SQuaRE series of standards
CURRENT SQuaRE
9126: Product quality 25000: Quality Management Division
-1: Quality model 25000: Guide to SQuaRE (NP)
-2: External metrics 25001: Planning and management
-3: Internal metrics 25010: Quality Model Division
-4: Quality in use metrics 25010: Quality model (Rev)
25020: Quality Measurement Division
New Proposal 25020: Measurement reference model and guide (NP)
Guides to use 9126 & 14598 25021: Measurement primitives (NP)
Base metrics 25022: Measurement of internal quality
Quality requirements 25023: Measurement of external quality
25024: Measurement of quality in use
14598: Product evaluation
25030: Quality Requirements Division
-1: General overview 25030: Quality requirements (NP)
-2: Planning and management 25040: Quality Evaluation Division
-3: Proc for developers 25040: Quality evaluation reference model and guide
-4: Proc for acquirers 25041: Evaluation modules
-5: Proc for evaluators 25042: Process for developers
-6: Doc of evaluation modules 25043: Process for acquirers
25044: Process for evaluators
© ISO/IEC 25000
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23. Alphonse PHILIPPE
INFOCERT
25, avenue de la Constellation
BP 48339 CERGY
95804 CERGY PONTOISE CEDEX
Tél. +33 (0)1 34 24 29 58
Fax +33 (0)1 34 24 02 33
http://www.jtc1-sc7.org/
philippe@infocert.org
www.infocert.org
www.nflogiciel.com
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