Yang

Broadband Forum YANG Modules

2026-03-04: TR-403 Amendment 1 PON Abstraction Interface for Time-critical Applications

Tag: TR-403-v1.1.0

TR-403 Amendment 1 specifies the PON abstraction interface for time-critical applications as defined in TR-402 along with the YANG models used to manage it.

2026-02-09: OD-360 Issue 1 Amendment 3 BBF YANG Best Current Practices

Tag: OD-360-v1.3.0

• Add new IETF guideline IETF-23.
• Add new BBF guidelines BBF-30 through BBF-33.
• Add new deviation guideline DEV-7.
• Address minor corrections to existing guidelines.

2025-09-09: TR-452.4 Issue 1 QED Measurement Formats

Tag: TR-452.4-v1.0.0

TR-452.4 specifies how to collect measurements of quality attenuation.

2025-08-21: TR-386 Issue 2 Fixed Access Network Sharing - Access Network Sharing Interfaces

Tag: TR-386-v2.0.0

TR-386 specifies the system interfaces associated with Fixed Access Network Sharing along with the YANG models used to manage them.

2025-07-02: TR-383 Amendment 9 Common YANG Modules for Access Networks

Tag: TR-383-v1.9.0

• Enhancements to existing models.
• New models for management of voice services.

2025-02-03: TR-451 Amendment 1 vOMCI Specification

Tag: TR-451-v1.1.0

• Add support for extended TCP.
• Add support for TLS endpoint configuration.

2024-11-11: TR-383 Amendment 8 Common YANG Modules for Access Networks

Tag: TR-383-v1.8.0

• Enhancements to existing models.
• New models for Ethernet OAM, IP interfaces and IPFIX.

2024-04-23: TR-385 Issue 3 YANG Modules for PON Management

Tag: TR-385-v3.0.0

• Add support for ITU-T G.9804.x (50G-PON) and MSA 25GS-PON

2024-01-19: TR-477 Issue 1 Cloud CO Enhancement - Access Node Functional Disaggregation

Tag: TR-477-v1.0.0

TR-477 specifies the necessary architecture, network function (NF) definitions, requirements, interfaces and protocols associated with the Disaggregated OLT (D-OLT) software component enabling the deployment of OLTs with disaggregated functionalities into a CloudCO architecture.

2024-01-19: OD-360 Issue 1 Amendment 2 BBF YANG Best Current Practices

Tag: OD-360-v1.2.0

• Add new IETF guidelines IETF-21 and IETF-22
• Add new BBF guidelines BBF-21 through BBF-29
• Change terminology to always reference guidelines rather than requirements
• Minor corrections to existing guidelines

2023-12-15: TR-383 Amendment 7 Common YANG Modules for Access Networks

Tag: TR-383-v1.7.0

• Enhancements to existing models.
• Modifications to existing models to enable reuse of common YANG schemas.
• New models for ICMPv6 and network functions.
• New models added to DHCP, layer 2 forwarding, layer 2 multicast, PPPoE and subscribers.

2023-06-21: TR-385 Issue 2 Amendment 1 ITU-T PON YANG Modules

Tag: TR-385-v2.1.0

• Align 'units' statements to the latest OD-360 guidelines
• Add new modules for managing ONU authentication as defined in TR-489
• Add new modules for managing burst profiles
• Extend existing modules to support defect reporting

2023-03-15: OD-360 Issue 1 Amendment 1 BBF YANG Best Current Practices

Tag: OD-360-v1.1.0

• Add 'units' statement guidelines
• Minor corrections to existing guidelines

2023-03-07: TR-383 Amendment 6 Common YANG Modules for Access Networks

Tag: TR-383-v1.6.0

• Add new modules to manage VLAN sub-interface profiles
• Align 'units' statements to the latest OD-360 guidelines
• Add missing 'units' statements to statistics counters
• Corrections and enhancements to the hardware transceiver model
• Enhancements to subscriber protocol and QoS models

2022-06-13: TR-355 Amendment 4 Corrigendum 1 YANG Modules for FTTdp Management

Tag: TR-355-v1.4.1

• Add the line performance counters for successful-dta, minimum-mds and maximum-mds that were erroneously removed during final review of Amendment 4

2022-06-07: TR-451 Issue 1 vOMCI Specification

Tag: TR-451-v1.0.0

TR-451 defines YANG data models that support the architecture, requirements and interface specifications for a virtualized OMCI (vOMCI) solution that moves the OMCI functionality that is traditionally embedded within Optical Line Termination (OLT) network elements into the Operator's network.

2022-05-23: TR-355 Amendment 4 YANG Modules for FTTdp Management

Tag: TR-355-v1.4.0

• Align the FAST YANG model, bbf-fast, to ITU-T G.997.2 Amendment 3
• Align models with latest OD-360 BBF YANG Best Current Practices
• Correct backward compatiblity issue in the SELT YANG model, bbf-selt
• Correct 24-hour channel performance error in the FAST YANG data model, bbf-fast
• Extend the VDSL YANG model, bbf-vdsl, with support for retransmitted Data Transfer Units (DTU)

2022-03-01: TR-383 Amendment 5 Common YANG Modules for Access Networks

Tag: TR-383-v1.5.0

• Add new modules to support device aggregation and software management
• Add new modules to bind the IEEE 802.1Qcx CFM YANG module to TR-383 alarms, interface and Layer 2 Forwarding models
• Extend ANCP functionality
• Clarify use of 'use-leading-zeroes' for ANCP, DHCP and PPPoE
• Correct issues in the hardware models
• Extend interface performance and statisics management
• Enhancements to the QoS models

2022-02-15 OD-360 Issue 1 BBF YANG Best Current Practices

Tag: OD-360-v1.0.0

OD-360 provides a set of Best Current Practices for development of YANG Data Models in the Broadband Forum (BBF).

2021-07-06: TR-454 Issue 1 YANG Modules for Access Network Map & Equipment Inventory

Tag: TR-454-v1.0.0

TR-454 defines YANG data models for maintaining and reporting Network Map and Equipment Inventory information that is applicable to the Broadband Forum's CloudCO Broadband Access Abstraction (BAA) layer as well as SDN Management and Control functions.

2021-06-02: TR-383 Amendment 4 Common YANG Modules for Access Networks

Tag: TR-383-v1.4.0

• Add common modules used across Broadband Forum YANG modules
• Add new statistics related to QoS
• Add profiles for frame classification and ingress/egress rewrite actions on sub-interfaces
• Extend hardware transceiver functionality for alarms and reading of vendor-specific and user EEPROM
• Extend common interface and Ethernet interface statistics and PM

2020-10-13: TR-355 Amendment 3 YANG Modules for FTTdp Management, TR-383 Amendment 3 Common YANG Modules for Access Networks, TR-385 Issue 2 ITU-T PON YANG Modules

Tags: TR-355-v1.3.0, TR-383-v1.3.0, TR-385-v2.0.0

• TR-355 Amendment 3
  • Add support for bonding as defined in ITU-T G.998.1, G.998.2, G.998.3 and BBF TR-159
  • Add alarming support for FAST and VDSL
  • Add support for additions and changes from amendments to ITU-T G.997.1 and G.997.2
• TR-383 Amendment 3
  • Enhancements to existing models
  • New models for ANCP and Hardware Management
• TR-385 Issue 2
  • Add s