iso25000.com

The ISO/IEC 25000 series of standards

The series of standards ISO/IEC 25000, also known as SQuaRE (System and Software Quality Requirements and Evaluation), has the goal of creating a framework for the evaluation of software product quality.

ISO/IEC 25000 is the result of the evolution of several other standards; specifically from ISO/IEC 9126, which defines a quality model for software product evaluation, and ISO/IEC 14598, which defines the process for software product evaluation. The series of standards ISO/IEC 25000 consists of five divisions.

ISO 25000 Divisions

ISO/IEC 2500n – Quality Management Division

The standards that form this division define all common models, terms and definitions referred further by all other standards from SQuaRE series. Currently, this division consists of the following standards:

  • ISO/IEC 25000 - Guide to SQuaRE: Provides the SQuaRE architecture model, terminology, documents overview, intended users and associated parts of the series as well as reference models.
  • ISO/IEC 25001 - Planning and Management: Provides requirements and guidance for a supporting function which is responsible for the management of software product requirements specification and evaluation.

ISO/IEC 2501n – Quality Model Division

The standards that form this division present detailed quality models for computer systems and software products, quality in use, and data. Currently, this division consists of the following standards:

  • ISO/IEC 25010 - System and software quality models: Describes the model, consisting of characteristics and subcharacteristics, for software product quality, and software quality in use.
  • ISO/IEC 25012 - Data Quality model: defines a general data quality model for data retained in a structured format within a computer system. It focuses on the quality of the data as part of a computer system and defines quality characteristics for target data used by humans and systems.

ISO/IEC 2502n – Quality Measurement Division

The standards that form this division include a software product quality measurement reference model, mathematical definitions of quality measures, and practical guidance for their application. Presented measures apply to software product quality and quality in use. Currently, this division consists of the following standards:

  • ISO/IEC 25020 - Measurement reference model and guide: Presents introductory explanation and a reference model that is common to quality measure elements, measures of software product quality and quality in use. Also provides guidance to users for selecting or developing, and applying measures.
  • ISO/IEC 25021 - Quality measure elements: Defines a set of recommended base and derived measures, which are intended to be used during the whole software development life cycle. The document describes a set of measures that can be used as an input for the software product quality or software quality in use measurement.
  • ISO/IEC 25022 - Measurement of quality in use: Describes a set of measures and provides guidance for measuring quality in use.
  • ISO/IEC 25023 - Measurement of system and software product quality: Describes a set of measures and provides guidance for measuring system and software product quality.
  • ISO/IEC 25024 - Measurement of data quality: Defines quality measures for quantitatively measuring data quality in terms of characteristics defined in ISO/IEC 25012.
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