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P802.1CBec – Sequence Recovery Function Refinements and Parameter Configuration

This amendment refines the sequence recovery function and adds an informative annex describing recommended values for the sequence recovery function parameters, and provides guidance regarding frame buffering in relay and end systems to assist in the usage of Frame Replication and Elimination for Reliability. This amendment also includes technical and editorial corrections in the description of existing IEEE Std 802.1CB functionality.

Current Status

StatusPAR approved
Current DraftDraft 0.2
PAR & CSDFull title: Draft Standard for Local and Metropolitan Area Networks: Frame Replication and Elimination for Reliability Amendment: Sequence Recovery Function Refinements and Parameter Configuration
PAR (Approved: 2025-02-13; Expires: 2029-12-31)
CSD
EditorLisa Maile

Archive

Date Document
10 Nov 2025 P802.1CBec, Draft 0.2, final comment disposition
23 Oct 2025 P802.1CBec, Draft 0.2
02 June 2025 P802.1CBec, Draft 0.1, final comment disposition
19 May 2025 P802.1CBec, Draft 0.1, proposed comment disposition (v1)
22 April 2025 P802.1CBec, Draft 0.1

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.

DateDocument
2026-05-12P802.1CBec FRER Analysis + Solutions – Discussion Summary May 2026 Interim
(ec-maile-FRER-analysis-discussions-solutions-0526-v00.pdf)
2025-11Overview of known issues for IEEE 802.1CB FRER and next steps
(ec-maile-FRER-issues-overview-1125-v03.pdf)
2025-05-22802.1CBec-D0.1 Editor’s Report for First TG Ballot – v01
(ec-Maile-d0-1-TG-ballot-report-0525-v01.pdf)
2025-04-07P802.1CBec Text Contribution – Lisa Maile
(ec-maile-text-contribution-0425-v01.pdf)
2024-07-16Informative Annex Project Proposal for IEEE Std 802.1CB Sequence Recovery Function Parameter Configuration
(new-maile-FRER-sequence-recovery-configuration-0624-v02.pdf)
2024-06-24Informative Annex Project Proposal for IEEE Std 802.1CB Sequence Recovery Function Parameter Configuration
(new-maile-FRER-sequence-recovery-configuration-0624-v01.pdf)
2023-06-05Ensuring Reliable and Predictable Behavior of IEEE 802.1CB Frame Replication and Elimination
(new-maile-ensuring-reliable-and-predictable-behavior-of-FRER-0623-v02.pdf)

The above list includes only the latest version of updated documents and omits those superseded by subsequent discussion or inclusion in the current draft.

Please contact the Editor if you have comments to this page.

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