Systems and software engineering — System of systems (SoS) considerations in life cycle stages of a system Ingénierie du logiciel et des systèmes — Études du système des systèmes (SdS) dans les étapes du cycle de vie d'un systèmeINTERNATIONAL STANDARDISO/IEC/ IEEE 21839 Reference number ISO/IEC/IEEE 21839:2019(E)First edition 2019-07 © ISO/IEC 2019 © IEEE 2019 iTeh STANDARD PREVIEW (standards.iteh.ai) ISO/IEC/IEEE 21839:2019 https://standards.iteh.ai/catalog/standards/sist/1c0b64ea-a836-45b4-b300- 10d249be520f/iso-iec-ieee-21839-2019 ISO/IE C/IEEE 21839:2019(E) COPYRIGHT PROTECTED DOCUMENT © ISO/IEC 2019 © IEEE 2019All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of the requester. ISO copyright office In stitute of Electrical and Electronics Engineers, Inc CP 401 • Ch. de Blandonnet 8 3 Park Avenue, New York CH-1214 Vernier, Geneva NY 100 16-5997, USA Tel. +41 22 749 01 11 F ax +41 22 749 09 47 cop yright@iso.org s tds.ipr@ieee.org www.iso.org w ww.ieee.org Published in Switzerland © ISO/IEC 2019 – All rights reserved ii © IEEE 2019 – All rig hts reserved iTeh STANDARD PREVIEW (standards.iteh.ai) ISO/IEC/IEEE 21839:2019 https://standards.iteh.ai/catalog/standards/sist/1c0b64ea-a836-45b4-b300- 10d249be520f/iso-iec-ieee-21839-2019 ISO/IEC/IEEE 21839:2019(E) Foreword ........................................................................................................................................................................................................................................ iv 1 Scope ................................................................................................................................................................................................................................. 1 1.1 Purpose .......................................................................................................................................................................................................... 1 1.2 Field of application .............................................................................................................................................................................. 1 1.3 Limitations .................................................................................................................................................................................................. 1 2 Normative references ...................................................................................................................................................................................... 1 3 Terms, definitions and abbreviated terms ................................................................................................................................ 1 3.1 Terms and definitions ....................................................................................................................................................................... 1 3.2 Abbreviated terms ............................................................................................................................................................................... 2 4 Concepts ........................................................................................................................................................................................................................ 3 4.1 System of systems ................................................................................................................................................................................. 3