P802.1ASed – Fault-Tolerant Timing with Time Integrity

This amendment specifies protocols, processes, procedures, functions, mechanisms, and managed objects to enable fault-tolerant timing by increasing the availability of the time and adding time integrity. This is achieved using two or more generalized Precision Time Protocol (gPTP) domains, multiple time distribution paths, the local oscillator clock, and a time selection function with individual processes for times that have interdependencies and times that do not have interdependencies. Fault-tolerant timing includes fault-tolerant time generation and distribution.

Current Status

StatusTask Group Ballot
Current DraftD1.0 (October 9, 2024)
PAR & CSDFull title: Draft Standard for Local and Metropolitan Area Networks: Timing and Synchronization for Time-Sensitive Applications — Amendment: Fault-Tolerant Timing with Time Integrity
PAR (Approved: 2024-09-26; Expires: 2028-12-31)
CSD
EditorAbdul Jabbar

Archive

DateDocument
not available yet

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
2024-09-18Fault-Tolerant Grandmaster Clock Synchronization Needs for Highly-Reliable Systems
(ed-finnegan-FT-GM-Sync-0924-v01.pdf)
2024-09-18Text contribution
(ed-tse-draft-text-contribution-0924-v01.pdf)
2024-07-16FTTM Change Summary
(ed-tse-FTTM-change-summary-0724-v01.pdf”)
2024-07-16Text contribution
(ed-tse-draft-text-contribution-0724-v01.pdf)
2024-06-05FFTM Change Summary for Comment Resolution
(ed-tse-FTTM-change-summary-0624-v01.pdf)
2024-06-05Text contribution
(ed-tse-draft-text-contribution-0624-v01.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The above list includes only the latest version of updated documents and omits those superseded by subsequent discussion or inclusion in the current draft.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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