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Linked.Archi ISO/IEC 25011 IT Service Quality Model

Release: 2020-07-27

Modified on: 2026-05-02
This version:
https://meta.linked.archi/iso25011/0.2.0#
Previous version:
https://meta.linked.archi/iso25011/0.1.0#
Revision:
0.2.0
Issued on:
2020-07-27
Authors:
Kalin Maldzhanski
Publisher:
Linked.Archi
Source:
https://www.iso.org/standard/78180.html
See also:
https://iso25000.com/index.php/en/iso-25000-standards/iso-25011
https://www.iso.org/standard/78180.html
License:
http://creativecommons.org/licenses/by/4.0/
Visualization:
Visualize with WebVowl
Cite as:
ISO/IEC 25011 Systems and software engineering — Systems and software Quality Requirements and Evaluation (SQuaRE) — Service quality model
Provenance of this page
draft

Abstract

IT service quality characteristics from ISO/IEC 25011, modelled as a class/individual hierarchy for use in service quality evaluation and architecture assessment.

Linked.Archi ISO/IEC 25011 IT Service Quality Model: Overview back to ToC

This ontology has the following classes and properties.

Classes

Named Individuals

Linked.Archi ISO/IEC 25011 IT Service Quality Model: Description back to ToC

Ontology of IT service quality characteristics from ISO/IEC 25011. ITServiceQuality is the root owl:Class (subClassOf arch:QualityAttribute). The nine service quality characteristics are owl:NamedIndividual instances of ITServiceQuality — vocabulary terms referenced by arch:QualityMeasure and ad:QualityAttributeRequirement.

Cross-reference for Linked.Archi ISO/IEC 25011 IT Service Quality Model classes, object properties and data properties back to ToC

This section provides details for each class and property defined by Linked.Archi ISO/IEC 25011 IT Service Quality Model.

Classes

IT Service Qualityc back to ToC or Class ToC

IRI: https://meta.linked.archi/iso25011#ITServiceQuality

The totality of characteristics of an IT service that bear on its ability to satisfy stated and implied needs of the service consumer.
has super-classes
quality attribute c
has members
Availability ni, Capacity ni, Continuity ni, Integrity ni, Portability ni, Recoverability ni, Responsiveness ni, Security ni, Usability ni

Named Individuals

Availabilityni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Availability

Degree to which an IT service is operational and accessible when required for use by the service consumer.
belongs to
IT Service Quality c

Capacityni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Capacity

Degree to which the maximum limits of an IT service parameter meet the requirements of the service consumer under expected and peak load conditions.
belongs to
IT Service Quality c

Continuityni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Continuity

Degree to which an IT service can continue to operate at acceptable predefined levels during and after a disruptive event.
belongs to
IT Service Quality c

Integrityni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Integrity

Degree to which an IT service prevents unauthorized access to, or modification of, data and ensures that data is accurate and complete.
belongs to
IT Service Quality c

Portabilityni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Portability

Degree to which an IT service can be transferred from one environment to another while maintaining its quality characteristics.
belongs to
IT Service Quality c

Recoverabilityni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Recoverability

Degree to which an IT service can re-establish its specified levels of performance and recover the data directly affected after an interruption or failure.
belongs to
IT Service Quality c

Responsivenessni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Responsiveness

Degree to which the response times, processing times, and throughput rates of an IT service meet the requirements of the service consumer.
belongs to
IT Service Quality c

Securityni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Security

Degree to which an IT service protects information and data so that persons or other systems have the degree of access appropriate to their types and levels of authorization.
belongs to
IT Service Quality c

Usabilityni back to ToC or Named Individual ToC

IRI: https://meta.linked.archi/iso25011#Usability

Degree to which an IT service can be used by specified consumers to achieve specified goals with effectiveness, efficiency, and satisfaction.
belongs to
IT Service Quality c

Legend back to ToC

c: Classes
ni: Named Individuals
null

Acknowledgments back to ToC

The authors would like to thank Silvio Peroni for developing LODE, a Live OWL Documentation Environment, which is used for representing the Cross Referencing Section of this document and Daniel Garijo for developing Widoco, the program used to create the template used in this documentation.