P802.1Qdt – Priority-based Flow Control Enhancements
This amendment specifies procedures and managed objects for automated Priority-based Flow Control (PFC) headroom calculation and Media Access Control Security (MACsec) protection of PFC frames, using point-to-point roundtrip measurement and enhancements to the Data Center Bridging Capability Exchange protocol (DCBX).
This amendment places emphasis on the requirements for low latency and lossless transmission in large-scale and geographically dispersed data centers.
This amendment also addresses errors of the existing IEEE Std 802.1Q functionality.
Current Status
| Status | Editor’s draft |
| Current Draft | D0.4 (17 July 2024) |
| PAR & CSD | Full title: Draft Standard for Local and Metropolitan Area Networks: Bridges and Bridged Networks — Amendment: Priority-based Flow Control Enhancements PAR (Approved: 05 Jun 2023; Expires: 31 Dec 2026) CSD |
| Editor | Lily Lv |
Archive
| Date | Document |
|---|---|
| 17 July 2024 | P802.1Qdt, Draft 0.4 |
| 18 June 2024 | P802.1Qdt, Draft 0.3 |
| 15 Sep 2022 | P802.1Qdt, Draft 0.2 |
| 13 Sep 2022 | P802.1Qdt, Draft 0.0 |
The above list includes only the latest version of (proposed) dispositions. See the project folder for a complete list). The dates listed are the website file dates; they may differ from the creation dates in the documents.
Contributions
Important NOTICE on contributions.
The above list includes only the latest version of updated documents and omits those superseded by subsequent discussion or inclusion in the current draft (see filenames beginning “dt-” in the 2023 public directories for a complete list). The dates listed are the website file dates; they may differ from the creation dates in the documents.
Please contact the Editor if you have comments to this page.