ISO/IEC 18012-4:2025 PDF

Name: ISO/IEC 18012-4:2025 — Information technology — Home electronic system (HES) — Guidelines for product interoperability — Part 4: Event encoding
SKU: ISO/IEC 18012-4:2025
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Information technology — Home electronic system (HES) — Guidelines for product interoperability — Part 4: Event encoding

Название (английский):

ISO/IEC 18012-4:2025

Information technology — Home electronic system (HES) — Guidelines for product interoperability — Part 4: Event encoding

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 39
Дата публикации:: 18 июля 2025 г.
Издание:: ISO/IEC IS 18012 edition 1 version 1
ICS:: 35.200

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Описание (английский):

This document specifies an event exchange format that defines the encoding of individual events in the interoperability domain. This event format is used to encode events for exchange across the “event bus” within the interoperability domain.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO/IEC 18012-4:2025 - Information technology - Home Electronic System (HES) - Guidelines for product interoperability - Part 4: Event encoding specifies a standard event exchange format for HES interoperability domains. The standard defines how individual events are encoded as protocol data units (PDUs) for exchange across the HES “event bus” inside an HES gateway. Designed for fast, reliable, low-complexity message exchange, the event encoding supports semantic interoperability between heterogeneous home and building networks.

Key topics and technical requirements

Event encoding and PDU format: Defines the binary/text packet structure used to represent HES events for internal bus or direct API exchange.

HES message models: Covers HES common language message exchange (HES-CLME) and internal protocols used by gateway modules.

HES-CLIP and HES-CLDPE: Describes the HES common language internal protocol (HES‑CLIP) for serial-bus style exchanges and HES common language direct PDU exchange (HES‑CLDPE) for API-level transfers.

Packet construction and addressing: Normative Annex A details packet construction, optional blocks, lexicon representation types, and addressing lists; Annex B gives exchange examples.

Lexicon integration: Uses the HES lexicon (see ISO/IEC 18012‑3) to express objects, actions and variables in standardized symbolic form for semantic consistency.

Conformance and communication requirements: Includes conformance requirements, discovery, lower-layer communication requirements, packet structure, and operation modes (request/response, publish/subscribe).

Protocols referenced: Integrates with existing networking expectations (e.g., private internal IP ranges per RFC 1918) and references CoAP as part of the overall protocol model.

Security and modular gateway architecture: Supports a modular HES gateway that provides translation (interworking functions) without modifying underlying networks.

Applications and who uses it

Device manufacturers and firmware developers building smart home and building automation products that must interoperate via an HES gateway.

Gateway and middleware vendors implementing the HES gateway, HES‑CLME, HES‑CLIP, or HES‑CLDPE interfaces.

System integrators and solution architects deploying heterogeneous HAN/WAN environments who need consistent event encoding and semantics.

Test labs and certification bodies validating interoperability, conformance and event exchange behavior.

Standards committees and registries maintaining the HES lexicon and metadata for long‑term semantic interoperability.

Related standards

ISO/IEC 18012‑1, ‑2, ‑3 (HES series) - overall HES requirements, interworking functions, and lexicon.

ISO/IEC 15045 series (HES gateway system), including 15045‑1, 15045‑2 and 15045‑4‑1 - gateway architecture and communications.

RFC 1918 (private IP ranges) and CoAP (constrained application protocol) referenced in protocol guidance.

Keywords: ISO/IEC 18012-4, HES, event encoding, event bus, PDU, HES-CLME, HES-CLIP, HES-CLDPE, home electronic system, interoperability, lexicon.

ISO/IEC 18012-4:2025 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Технические детали

ISO/IEC 18012-3:2025

Information technology — Home electronic system (HES) — Guidelines for product interoperability — Part 3: Lex…

ISO/IEC 18012-1:2004

Information technology — Home Electronic System — Guidelines for product interoperability — Part 1: Introduct…

BS ISO/IEC 15045-4-1:2024

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