Overview
ISO/IEC 15045-4-2:2024 - "Information technology - Home Electronic System (HES) gateway - Part 4-2: Structure - Simple gateway" defines the structure and requirements for the simple HES gateway, one of the physical classes introduced in ISO/IEC 15045-1. The standard specifies a standalone, non‑expandable gateway module that manages and controls communication and translation between two networks: either two HANs (Home Area Networks) or one HAN and one WAN (Wide Area Network). It focuses on enabling interoperability, privacy, security and a basic platform for application services while minimizing internal complexity.
Key topics and technical requirements
- Physical class and scope
- Defines the simple gateway as a single housing, minimum-complexity implementation, dedicated to basic HES services.
- Alternative configurations (conformance)
- Implements one of two alternatives: HAN-to-HAN (basic translator service) or WAN-to-HAN (basic support service).
- Internal communication model
- Uses HES-CLDPE (home electronic system common language direct PDU exchange) for internal PDU links between logical modules rather than the serial event bus (HES-CLIP) to reduce complexity.
- Logical modules
- Specifies HAN interface logical module and WAN interface logical module that exchange HES-CLDPE messages and, for HAN-to-HAN, employ a binding map service to translate between networks.
- Security, privacy and platform support
- Requires the gateway to provide protected pathways and an application platform consistent with the broader ISO/IEC 15045 series objectives (interoperability, privacy, security, safety).
- Normative references
- Relies on Part 4‑1 (Structure - Structural class and module requirements) and cross-references relevant ISO/IEC terminology and definitions.
Practical applications and users
- Who uses this standard
- Device manufacturers, embedded-system designers, home gateway vendors, integrators, system architects, and conformity assessors implementing or certifying basic HES gateway products.
- Use cases
- Low-cost, dedicated gateway devices that translate or bridge two home networks (e.g., protocol translation between two HANs).
- Simple residential gateways that connect a single HAN to an external WAN for remote services while maintaining privacy and basic application support.
- Benefits
- Provides a standardized approach to interoperability without requiring modification of existing HAN/WAN protocols, enabling an open market for otherwise incompatible products.
Related standards
Keywords: ISO/IEC 15045-4-2, HES gateway, Home Electronic System, simple gateway, HAN, WAN, HES-CLDPE, HES-CLME, interoperability, binding map service, HES-CLIP, security, privacy.
Open preview (PDF)Information technology — Home Electronic System (HES) gateway — Part 4-2: Structure — Simple gateway
