ISO/IEC INTERNATIONAL STANDARD 22123-3 First edition 2023-09 Information technology Cloud computing - Part 3: Reference architecture Technologies de I'information - Informatique en nuage - Partie 3: Architecture de référence Reference number IEC IS0/IEC 22123-3:2023(E) ISO @ IS0/IEC 2023 IS0/IEC22123-3:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS0/IEC2023 All 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, withoutpriorwrittenpermission.Permission can berequestedfrom eitherIso at theaddress below orIso'smemberbodyinthecountryoftherequester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @IS0/IEC 2023- All rights reserved