ISO/IEC 21823-1:2019（E）概述了适用于物联网系统的互操作性，以及物联网系统互操作性框架。本文件使物联网系统能够以这样的方式构建，即物联网系统的实体能够以高效的方式交换信息并相互使用信息。本文件支持独立物联网系统之间的点对点互操作性。 本文件提供了对互操作性的共同理解，因为它适用于物联网系统及其内部的各种实体。

ISO/IEC 21823-1:2019(E) provides an overview of interoperability as it applies to IoT systems and a framework for interoperability for IoT systems. This document enables IoT systems to be built in such a way that the entities of the IoT system are able to exchange information and mutually use the information in an efficient way. This document enables peer-to-peer interoperability between separate IoT systems. This document provides a common understanding of interoperability as it applies to IoT systems and the various entities within them.