Overview
ISO/IEC 29341-18-11:2011 specifies the service definition for the Remote Access Discovery Agent Service (RADAConfig) as part of the UPnP Device Architecture, version 1.0. Developed by the International Electrotechnical Commission (IEC) and the International Organization for Standardization (ISO), this standard defines how the RADAConfig service supports configuration of in-band synchronization between Remote Access Clients (RAC) and Remote Access Servers (RAS).
The RADAConfig service provides a mechanism for customizing which local devices are exposed to remote networks and vice versa. By managing device and service visibility, it enables efficient, secure remote access in UPnP-based environments, improving both synchronization reliability and network performance.
Key Topics
- UPnP Remote Access Management: Defines how a Remote Access Discovery Agent aggregates device and service data from both local and remote sources.
- RADAConfig Service Functions: Supports the configuration of Access Control Lists (ACLs) and synchronization filters to restrict or permit device discovery between local and remote networks.
- Service Architecture:
- State Variables: Maintains a real-time snapshot of devices and network filters, ensuring up-to-date information during synchronization.
- Actions: Provides methods such as GetSystemInfo() and EditFilter() for querying and modifying filtering rules, which control device visibility.
- Filter Mechanisms:
- allowList or denyList filters enable fine-tuned control over which devices are discoverable in remote scenarios.
- XML-based filter templates ensure extensibility and standardization.
Applications
The RADAConfig service described in ISO/IEC 29341-18-11:2011 has significant practical value for organizations and developers integrating UPnP remote access:
- Secure Home Networking: Home automation systems and media servers can securely expose selected devices to authorized users on remote networks, preventing unnecessary data exposure.
- Enterprise Device Management: IT administrators can manage visibility and synchronization of networked devices across multiple locations, enhancing both security and operational control.
- Cost-Effective Connectivity: By minimizing unnecessary Simple Service Discovery Protocol (SSDP) traffic over remote links, the standard addresses network performance and cost issues often associated with UPnP’s "chatty" discovery processes.
- Vendor Extensibility: Product developers can introduce custom state variables and actions, following the strict naming and XML representation rules for vendor-defined extensions, ensuring interoperability and standards compliance.
- Credential-Based Access: Fine-grained controls, such as providing device access based on credentials, allow for personalized remote access setups.
Related Standards
For comprehensive implementation and interoperability, ISO/IEC 29341-18-11:2011 should be considered alongside these key standards:
- UPnP Device Architecture v1.0 ([DEVICE]): Defines the foundational framework for UPnP protocols, required for understanding RADAConfig integration.
- UPnP RA Discovery Agent XML Data Structures ([DADS-XSD]): Specifies the XML schema used for describing system info and filters in RADAConfig.
- RAServer and RADASync Services ([RAServer], [RADASync]): Define related service types for remote access server operations and device synchronization.
- XML 1.0 Specification ([XML]): Establishes the syntax rules for the XML-based state variables and action arguments used by the service.
- IETF RFC 2119: Specifies requirement levels for standards language.
ISO/IEC 29341-18-11:2011 provides the detailed service model and configuration controls required for secure, efficient, and customizable UPnP-based remote access deployments, making it a critical resource for standards-compliant device and network management.
Open preview (PDF)Information technology - UPnP Device Architecture - Part 18-11: Remote Access Device Control Protocol - Remote Access Discovery Agent Service
