ITU-T Work Programme

[2025-2028] : [SG15] : [Q11/15]

[Declared patent(s)] - [Associated work] - [Publication]

Work item:

G.709.3 Amd.1

Subject/title:

Flexible OTN B100G long-reach interfaces- Amendment 1

Status:

Approved on 2026-08-29 [Issued from previous study period]

Approval process:

AAP

Type of work item:

Recommendation

Version:

Equivalent number:

Timing:

Liaison:

Supporting members:

Summary:

Recommendation ITU-T G.709.3 specifies 100G, 200G and 400G FlexO Beyond 100G (B100G) long-reach interfaces. The Recommendation specifies the structure using forward error correction codes with a higher coding gain suitable for longer reach applications and references common elements from Recommendation ITU-T G.709.1 and FEC structures from Recommendation ITU-T G.709.2. Edition 3.1 contains the following extensions to Edition 3.0: Add FlexO skew to scope of clause 10 Changes to 802.3 references

Comment:

Reference(s):

[SG15-TD221-R1-2/PLEN (2026-06)

]