ISO IEC 21558-3-2022 PDF

Full title and description

ISO/IEC 21558-3:2022 — Telecommunications and information exchange between systems — Future network architecture — Part 3: Networking of everything. This part of the ISO/IEC 21558 series defines an architectural model and associated functional procedures for a "Future Network — Networking of Everything" (FN‑NoE) intended to integrate heterogeneous networking technologies and support thing‑ and user‑centric communication services across converged networks.

Abstract

The standard specifies the FN‑NoE architectural model and the functional procedures required to provide advanced FN‑NoE services that integrate multiple networks and networking techniques to enable thing‑user centric communication. It focuses on networking issues for integrating various technologies, defining roles, interfaces and service provisioning flows to support interoperable, multi‑domain network operation.

General information

• Status: Published
• Publication date: 1 March 2022
• Publisher: Joint ISO/IEC publication (International Organization for Standardization and International Electrotechnical Commission)
• ICS / categories: 35.100.30 (Network layer)
• Edition / version: Edition 1.0 (2022)
• Number of pages: 21

Scope

This part of ISO/IEC 21558 defines the architectural model for the Future Network — Networking of Everything (FN‑NoE) and the functional procedures needed to offer advanced, integrated services across diverse networks. Scope includes the logical components and relationships of FN‑NoE, the high‑level service provisioning procedures for integrating heterogeneous access and core networks, and guidance for enabling thing‑ and user‑centric communications across multiple administrative domains. It does not specify low‑level protocol bindings or implementation code; instead it provides an architecture and procedural framework to guide protocol and product development.

Key topics and requirements

• Definition of the FN‑NoE architectural model (components, roles and interfaces).
• Functional procedures for service provisioning and interworking across heterogeneous networks.
• Support for thing‑centric and user‑centric communication paradigms (IoT and human users).
• Mechanisms to integrate diverse access and transport technologies under a unified service architecture.
• High‑level requirements for interoperability, multi‑domain coordination and service orchestration.
• Guidance for mapping FN services to network functions without prescribing specific protocol implementations.

Typical use and users

Primary users include network architects and designers, telecommunications vendors and system integrators, mobile and fixed network operators, IoT platform providers, and standards developers working on future network architectures and multi‑technology integration. Researchers and consultants addressing multi‑domain service orchestration, as well as procurement and policy teams evaluating architectural interoperability requirements, will also find the standard relevant.

Related standards

ISO/IEC 21558-3 is part of the ISO/IEC 21558 family on Future Network Architecture. Closely related parts include ISO/IEC 21558-1:2022 (Future network architecture — Part 1: Switching and routing) and ISO/IEC 21558-2:2023 (Future network architecture — Part 2: Proxy model‑based quality of service). Other adjacent work from ISO/IEC JTC 1/SC 6 (telecommunications and information exchange) and related protocol/mechanism documents (for example parts of ISO/IEC 21559 series) should be consulted when mapping the FN‑NoE architecture to specific protocols and mechanisms.

Keywords

Future Network; FN‑NoE; Networking of Everything; network architecture; multi‑network integration; thing‑centric communication; user‑centric communication; service provisioning; interoperability; network orchestration; ISO/IEC JTC 1/SC 6.

FAQ

Q: What is this standard?

A: ISO/IEC 21558-3:2022 defines the architectural model and high‑level functional procedures for the Future Network — Networking of Everything (FN‑NoE), enabling integrated services across heterogeneous networks.

Q: What does it cover?

A: It covers the FN‑NoE architecture (components and interfaces) and functional procedures for providing advanced services that integrate multiple networking technologies to support thing‑ and user‑centric communication. It is architectural and procedural in scope rather than a specification of concrete protocol bindings.

Q: Who typically uses it?

A: Network architects, telecom vendors, operators, IoT and platform integrators, researchers, and standards developers use it to guide design choices and to align multi‑technology, multi‑domain network deployments with a common architectural framework.

Q: Is it current or superseded?

A: The document was published on 1 March 2022 and is listed as "Published" in the ISO/IEC catalogue. There is no record of withdrawal or supersession for ISO/IEC 21558‑3 as of 2 March 2026, so it should be considered current unless a later revision or replacement has been issued by the ISO/IEC committee after that date.

Q: Is it part of a series?

A: Yes — it is Part 3 of the ISO/IEC 21558 series on Future Network Architecture; related parts include Part 1 (switching and routing) and Part 2 (proxy model‑based QoS), among other complementary documents from ISO/IEC JTC 1/SC 6.

Q: What are the key keywords?

A: Future Network, Networking of Everything (FN‑NoE), network architecture, multi‑network integration, thing‑centric, user‑centric, service provisioning, interoperability, FNProxy (in related parts), ISO/IEC 21558.