GB/T 33474-2025 in English

This standard provides a reference architecture for the Internet of Things, outlining the fundamental components, interactions, and relationships within an IoT system. It serves as a foundational framework to guide the design, development, and integration of IoT technologies and applications. The document covers key aspects such as system layers, functional entities, communication protocols, and data exchange mechanisms. It is intended to support the harmonization of IoT systems across different domains and facilitate interoperability among various devices and platforms. The standard also addresses the requirements for scalability, security, and reliability in IoT environments. It includes definitions, general principles, and guidelines for the application of the reference architecture in practical scenarios. This document is applicable to a wide range of stakeholders, including system designers, developers, service providers, and regulatory bodies involved in the IoT ecosystem.