IEC SO/IEC21823-2 ISO Edition 1.02020-04 NTERNATIONAL STANDARD colour inside Internet of things (loT) - Interoperability for loT systems - Part 2: Transport interoperability ISO/IEC21823-2:2020-04(en THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2020 ISO/IEC, Geneva, Switzerland orby any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEc or IEC's member National Committee in the country of the requester. If you have any questions about below or your local IEC member National Committee for further information. IEC Central Office Tel.:+41229190211 3, rue de Varembé info@iec.ch CH-1211 Geneva 20 www.iec.ch Switzerland AbouttheIEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigendum oran amendment might havebeen published IECpublicationssearch-webstore.iec.ch/advsearchform Electropedia - www.electropedia.org The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology, variety ofcriteria(referencenumber, text, technical containing more than22000 terminological entries in English committee,..). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages. and withdrawn publications. Alsoknownasthe International ElectrotechnicalVocabulary (IEV)online IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEc Glossary -std.iec.ch/glossary details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and once a month by email. French extracted from the Terms and Definitions clause of IECpublicationsissuedsince2002.Someentrieshavebeen IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and If you wish to give us your feedback on this publication or CISPR. needfurtherassistance,pleasecontact the Customer Service Centre: sales@iec.ch.