Overview
ISO/IEC/IEEE 8802-1CB:2019/Amd 1:2023 is an amendment to the IEEE/ISO standard for Frame Replication and Elimination for Reliability (FRER). This amendment provides the information model, YANG data model, and Management Information Base (MIB) module definitions needed to configure and monitor FRER-capable bridges and end systems. It enables standardized configuration and status reporting for FRER and stream identification in bridged local and metropolitan area networks (LANs/MANs), particularly within Time-Sensitive Networking (TSN) environments.
Key topics and technical requirements
- Information model: Defines the logical structure and relationships for FRER configuration and operational state without prescribing specific implementation APIs.
- YANG data model: Standardized YANG modules for programmatic configuration and telemetry of FRER features, enabling integration with network management systems (NMS) and SDN controllers.
- MIB module: SNMP-compatible MIB objects for legacy management systems and interoperability with existing network management workflows.
- Configuration and status reporting: Objects and parameters to set up replication paths, elimination behavior, and to report runtime status, counters, and fault conditions.
- Bridges and end systems: Models cover both bridging devices (MAC bridges) and end stations that participate in replicated-frame delivery and elimination.
- Stream identification: Support for configuring identification mechanisms used by FRER to map and manage traffic streams across redundant paths.
Practical applications and who uses this standard
This amendment is practical for any environment requiring high reliability and low-loss packet delivery over Ethernet, including:
- Industrial automation and factory networks (deterministic, loss‑resilient control traffic)
- Professional audio/video over IP (AVB/TSN deployments with redundant paths)
- Automotive and transportation networks needing deterministic redundancy
- Telecom and critical infrastructure where link or path redundancy is required
- Service providers and enterprise networks implementing TSN features
Typical users:
- Network architects and systems designers specifying resilient TSN/FRER deployments
- Network equipment vendors implementing FRER features in switches, bridges, and NICs
- NMS and SDN developers integrating YANG modules and SNMP MIBs for orchestration and monitoring
- Integrators and test labs validating FRER behavior and management interoperability
Related standards
- IEEE 802.1CB (FRER core standard)
- IEEE 802.1Q (Bridging and VLAN tagging)
- Other Time-Sensitive Networking (TSN) standards in the IEEE 802.1 family
- Relevant YANG and SNMP management frameworks for network configuration and telemetry
Keywords: ISO/IEC/IEEE 8802-1CB, 802.1CB, FRER, YANG data model, MIB, management information base, stream identification, Time-Sensitive Networking, TSN, bridges, local area networks.