Overview
ISO/IEC 14543-5-6:2012 defines service types for Intelligent Grouping and Resource Sharing (IGRS) within the Home Electronic System (HES) architecture for HES Class 2 and Class 3 devices. The standard specifies service-type definitions that conform to ISO/IEC 14543-5-1 and applies to computers, household appliances and communication devices that implement media or data streaming over wired or wireless LAN or PAN environments. It focuses on standardized service interfaces, metadata, data types, message formats and conformance rules to enable interoperable media/resource sharing in smart homes.
Key topics and technical requirements
- Service type catalogue: A standard list of IGRS service types (Content Index, Connection Management, Media Server/Client Transport Management, Rendering Management, File Access/Connection, etc.).
- Service attributes and data types: Detailed definitions for service attributes, complex data types and generation rules (see Annex C).
- Invocation interfaces & message formats: Universal service invocation format and per-service message structures (Annex D), plus XML schema files (Annex E) and WSDL service descriptions (Annexes F–J).
- Content directory & metadata framework: Normative content representation and metadata models for AV content directories (Annex A & B) to support content indexing and discovery.
- Transport and control flows: Reference flows for connection establishment, transport control and file access to ensure predictable interaction patterns.
- Error codes and conformance: Standardized error code definitions and conformance requirements to guarantee interoperability across HES Class 2/3 implementations.
- Back Channel Message (BCM) TCP service: Definition and interaction flows for back-channel control in audio/video playback and multicast scenarios.
Applications and who should use it
This standard is intended for:
- Consumer electronics manufacturers (smart TVs, media servers, set‑top boxes)
- Appliance and IoT device vendors implementing streaming and shared resource services
- Software developers and middleware vendors building HES/IGRS stacks, content directories, or media control services
- System integrators and smart‑home platform providers aiming for cross-vendor interoperability
Practical uses include media streaming and playback coordination, shared content indexing in homes, remote control of rendering devices, file streaming across home networks, and standardized service interfaces for smart-appliance ecosystems.
Related standards
- ISO/IEC 14543-5-1 (IGRS architecture and general conformance)
- Other HES parts covering device classes, messaging and profiles
Keywords: ISO/IEC 14543-5-6:2012, HES, IGRS, service types, home electronic system, media streaming, LAN, PAN, content index, transport management, rendering management, file access.
Open preview (PDF)Information technology — Home electronic system (HES) architecture — Intelligent grouping and resource sharing for HES Class 2 and Class 3 — Part 5-6: Service type
