YD/T 6912.2-2026Technical requirements for Bit Index Explicit Replication (BIER) control plane - Part 2: Extension for OSPFv2/ OSPFv3 (English PDF)
位索引显式复制（BIER）控制面技术要求 第2部分：开放最短路径优先版本2/开放最短路径优先版本3（OSPFv2/OSPFv3）协议扩展
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Issued by
Ministry of Industry and Information Technology
Level / Type
Industry · Recommended
Issue date
June 1, 2026
Implementation date
September 1, 2026
Scope
YD/T 6912.2-2026 is the English-translated version of 位索引显式复制（BIER）控制面技术要求 第2部分：开放最短路径优先版本2/开放最短路径优先版本3（OSPFv2/OSPFv3）协议扩展.
The document specifies the technical requirements for the extension of the Open Shortest Path First version 2 (OSPFv2) and version 3 (OSPFv3) protocols in the Bit Index Explicit Replication (BIER) control plane. These include the newly defined BIER information sub-TLV, the BIER MPLS encapsulation sub-TLV and related items.
It applies to network devices and systems in BIER networks that use OSPFv2 or OSPFv3 as the interior gateway protocol (IGP) to advertise and learn BIER-related information. Equipment manufacturers and software developers who implement the extensions, and laboratories that test them, can use it. The /T in the code marks it as a voluntary standard. It was approved by the Ministry of Industry and Information Technology, issued on 1 June 2026 and takes effect on 1 September 2026. It is a new standard and is the second part of the BIER control plane series.
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Document preview — YD/T 6912.2-2026
National Standard of the People's Republic of China
- ICS
- 33.040.40
- Classification
- L78
Issued by: Ministry of Industry and Information Technology
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
YD/T 6912.2-2026 is a recommended industry standard of the People's Republic of China in the Telecom sector, approved and issued by the Ministry of Industry and Information Technology on 1 June 2026, with effect from 1 September 2026.
It is administered by the China Communications Standards Association.
Classification: ICS 33.040.40; CCS L78.
1 Scope
The document specifies the technical requirements for the extension of the Open Shortest Path First version 2 (OSPFv2) and version 3 (OSPFv3) protocols in the Bit Index Explicit Replication (BIER) control plane. These include the newly defined BIER information sub-TLV, the BIER MPLS encapsulation sub-TLV and related items.
It applies to network devices and systems in BIER networks that use OSPFv2 or OSPFv3 as the interior gateway protocol (IGP) to advertise and learn BIER-related information. Equipment manufacturers and software developers who implement the extensions, and laboratories that test them, can use it. The /T in the code marks it as a voluntary standard. It was approved by the Ministry of Industry and Information Technology, issued on 1 June 2026 and takes effect on 1 September 2026. It is a new standard and is the second part of the BIER control plane series.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
YD/T 6912.1-2026 — Technical requirements for Bit Index Explicit Replication (BIER) control plane - Part 1: Extension for ISIS
YD/T 6912.3-2026 — Technical requirements for Bit Index Explicit Replication (BIER) control plane - Part 3: Extension for Border Gateway Protocol (BGP)
YD/T 6912.4-2026 — Technical requirements for Bit Index Explicit Replication (BIER) control plane - Part 4: Extension for Border Gateway Protocol - Link State (BGP-LS)
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YD/T 6912.2-2026
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