INTERNATIONAL ISO/IEC STANDARD 30118-9 First edition 2021-10 Information technology Open Connectivity Foundation (OCF) Specification - Part 9: Core optional specification Technologies de I'information Specification de la Fondation pour la connectivitéouverte(Fondation OCF) Partie 9: Spécification facultative du coeur Reference number IEC IS0/IEC 30118-9:2021(E) OSI @IS0/IEC2021 IS0/IEC30118-9:2021(E) COPYRIGHTPROTECTEDDOCUMENT @IS0/IEC2021 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 2021-All rights reserved