INTERNATIONAL ISO/IEC STANDARD 21559-3 Firstedition 2022-03 Telecommunications and information exchange between systems Future networkprotocolsandmechanisms Part 3: Networking of everything Telecommunications et échange d'informations entre systemes- Futursprotocolesetmecanismesdereseau Partie3:Réseautiqueuniverselle Reference number IEC IS0/IEC21559-3:2022(E) ISO @IS0/IEC2022 IS0/IEC21559-3:2022(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2022 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 anyform or by anymeans, electronic or mechanical, including photocopying, orposting on theinternetoran intranet,withoutpriorwrittenpermission.Permissioncanberequestedfrom eitherIsoattheaddressbelow or ISO's member body in the country of the requester. ISO copyright office CP401 : 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 2022-All rights reserved