Open systems dependability

IEC 62853:2018 provides guidance in relation to a set of requirements placed upon system life cycles in order for an open system to achieve open systems dependability. This document elaborates on IEC 60300-1 by providing details of the changes needed to accommodate the characteristics of open systems. It defines process views based on ISO/IEC/IEEE 15288:2015, which identifies the set of system life cycle processes. This document is applicable to life cycles of products, systems, processes or services involving hardware, software and human aspects or any integrated combinations of these elements. For open systems, security is especially important since the systems are particularly exposed to attack. This document can be used to improve the dependability of open systems and to provide assurance that the process views specific to open systems achieve their expected outcomes. It helps an organization define the activities and tasks that need to be undertaken to achieve dependability objectives in an open system, including dependability related communication, dependability assessment and evaluation of dependability throughout system life cycles. Keywords: dependability of open systems

Zuverlässigkeit offener Systeme

Sûreté de fonctionnement des systèmes ouverts

IEC 62853:2018 fournit des recommandations relatives à un ensemble d'exigences portant sur les cycles de vie des systèmes et visant à assurer la sûreté de fonctionnement des systèmes ouverts. Le présent document précise l'IEC 60300-1 en fournissant des détails sur les changements nécessaires pour s'adapter aux caractéristiques des systèmes ouverts. Il définit les vues de processus basées sur l'ISO/IEC/IEEE 15288:2015, qui identifie l'ensemble des processus du cycle de vie du système. Le présent document est applicable au cycle de vie des produits, des systèmes, des processus ou des services impliquant des aspects matériels, logiciels et humains ou toute combinaison intégrant ces éléments. La sécurité des systèmes ouverts est particulièrement importante, car ces systèmes sont fortement exposés aux attaques des logiciels malveillants. Le présent document peut être utilisé pour améliorer la sûreté de fonctionnement des systèmes ouverts et pour garantir que les vues de processus spécifiques aux systèmes ouverts donnent les résultats escomptés. Il aide les organismes à définir les activités et les tâches qui doivent être entreprises pour atteindre les objectifs de sûreté de fonctionnement dans un système ouvert, y compris en matière de communication relative à la sûreté de fonctionnement, ainsi que d'appréciation et d'évaluation de la sûreté de fonctionnement tout au long du cycle de vie du système. Mots clés: sûreté de fonctionnement des systèmes ouverts

Odprti sistemi zanesljivosti (IEC 62853:2018)

Ta dokument podaja smernice v zvezi z nizom zahtev glede življenjskih ciklov sistemov, da bi odprti sistem dosegel zanesljivost odprtega sistema.
Ta dokument dopolnjuje standard IEC 60300-1 z navedbo podrobnosti o potrebnih spremembah, ki ustrezajo lastnostim odprtih sistemov. Opredeljuje procesne vidike na podlagi standarda ISO/IEC/IEEE 15288:2015, ki določa nabor procesov življenjskega cikla sistema.
Ta dokument se uporablja za življenjske cikle proizvodov, sistemov, procesov ali storitev, ki vključujejo strojno opremo, programsko opremo in človeške vidike ali poljubno integrirano kombinacijo teh elementov. Varnost je pri odprtih sistemih še posebej pomembna, saj so sistemi običajno izpostavljeni napadom.
Ta dokument se lahko uporablja za povečanje zanesljivosti odprtih sistemov in zagotovitev, da procesni vidiki, ki so specifični za odprte sisteme, dosežejo pričakovane rezultate. Organizaciji pomaga opredeliti dejavnosti in naloge, potrebne za doseganje ciljev glede zanesljivosti odprtega sistema, vključno s komunikacijo, povezano z zanesljivostjo, oceno zanesljivosti in vrednotenjem zanesljivosti v celotnem življenjskem ciklu sistema.

General Information

Status
Published
Publication Date
04-Oct-2018
Withdrawal Date
17-Jul-2021
Technical Committee
Drafting Committee
Current Stage
6060 - Document made available - Publishing
Start Date
05-Oct-2018
Completion Date
05-Oct-2018

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SLOVENSKI STANDARD
01-december-2018
Odprti sistemi zanesljivosti (IEC 62853:2018)
Open systems dependability (IEC 62853:2018)
Ta slovenski standard je istoveten z: EN IEC 62853:2018
ICS:
03.100.40 Raziskave in razvoj Research and development
03.120.01 Kakovost na splošno Quality in general
21.020 =QDþLOQRVWLLQQDþUWRYDQMH Characteristics and design of
VWURMHYDSDUDWRYRSUHPH machines, apparatus,
equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62853

NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2018
ICS 03.100.40; 03.120.01; 21.020

English Version
Open systems dependability
(IEC 62853:2018)
Sûreté de fonctionnement des systèmes ouverts Zuverlässigkeit offener Systeme
(IEC 62853:2018) (IEC 62853:2018)
This European Standard was approved by CENELEC on 2018-07-18. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62853:2018 E
European foreword
The text of document 56/1772/FDIS, future edition 1 of IEC 62853, prepared by IEC/TC 56
"Dependability" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2019-04-18
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2021-07-18
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 62853:2018 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
ISO 22301:2012 NOTE Harmonized as EN ISO 22301:2014 (not modified)
ISO 9000:2015 NOTE Harmonized as EN ISO 9000:2015 (not modified)
IEC 62741 NOTE Harmonized as EN 62741

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60050-192 -  International electrotechnical vocabulary - - -
Part 192: Dependability
IEC 60300-1 -  Dependability management - Part 1: EN 60300-1 -
Guidance for management and application
ISO/IEC/IEEE 15288 2015 Systems and software engineering – - -
System life cycle processes
IEC 62853 ®
Edition 1.0 2018-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Open systems dependability
Sûreté de fonctionnement des systèmes ouverts

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 03.100.40; 03.120.01; 21.020 ISBN 978-2-8322-5789-0

– 2 – IEC 62853:2018 © IEC 2018
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Open systems dependability . 11
4.1 Open systems . 11
4.2 Dependability issues specific to open systems . 12
4.3 Objective . 12
4.4 Achieving open systems dependability . 13
4.5 Relationship to resilience and fault tolerance . 13
5 Conformance . 14
6 Process views for achieving open systems dependability . 14
6.1 General . 14
6.2 Consensus Building process view . 15
6.2.1 Purpose . 15
6.2.2 Outcomes . 16
6.2.3 Processes, activities and tasks . 17
6.3 Accountability Achievement process view . 20
6.3.1 Purpose . 20
6.3.2 Outcomes . 21
6.3.3 Processes, activities and tasks . 22
6.4 Failure Response process view . 30
6.4.1 Purpose . 30
6.4.2 Outcomes . 31
6.4.3 Processes, activities and tasks . 33
6.5 Change Accommodation process view . 38
6.5.1 Purpose . 38
6.5.2 Outcomes . 39
6.5.3 Processes, activities and tasks . 40
Annex A (informative) Example life cycle models with open systems dependability . 49
A.1 General . 49
A.2 Dependable Engineering for Open Systems (DEOS) life cycle model . 49
A.3 Warranty Chain Management (WCM) life cycle model . 51
Annex B (informative) An example template for dependability cases . 53
B.1 Overview. 53
B.2 Consensus Building argument . 54
B.3 Accountability Achievement argument . 56
B.4 Failure Response argument . 58
B.5 Change Accommodation argument . 61
Annex C (informative) Smart Grid . 64
C.1 General . 64
C.2 Background. 64

IEC 62853:2018 © IEC 2018 – 3 –
C.3 Construction of a smart grid dependability case . 64
C.3.1 General . 64
C.3.2 Steps for construction of a smart grid dependability case. 65
C.4 The Change Accommodation cycle . 68
C.5 The Failure Response Cycle . 69
Bibliography . 70

Figure A.1 – DEOS life cycle model ([11], adjusted) . 50
Figure A.2 – WCM life cycle model . 52
Figure B.1 – Overall argument . 53
Figure B.2 – Consensus Building 1 . 54
Figure B.3 – Consensus Building 2 . 55
Figure B.4 – Consensus Building 3 . 55
Figure B.5 – Accountability Achievement 1 . 56
Figure B.6 – Accountability Achievement 2 . 57
Figure B.7 – Accountability Achievement 3 . 57
Figure B.8 – Accountability Achievement 4 . 58
Figure B.9 – Failure Response 1 . 59
Figure B.10 – Failure Response 2 . 59
Figure B.11 – Failure Response 3 . 60
Figure B.12 – Failure Response 4 . 60
Figure B.13 – Failure Response 5 . 61
Figure B.14 – Failure Response 6 . 61
Figure B.15 – Change Accommodation 1 . 62
Figure B.16 – Change Accommodation 2 . 62
Figure B.17 – Change Accommodation 3 . 63
Figure B.18 – Change Accommodation 4 . 63

– 4 – IEC 62853:2018 © IEC 2018
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
OPEN SYSTEMS DEPENDABILITY
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
...

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