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IEEE P802.1ASed
IEEE Approved Draft Standard for Local and Metropolitan Area Networks -Timing and Synchronization for Time-Sensitive Applications - Amendment: Fault-Tolerant Timing with Time Integrity
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STANDARD published on 13.5.2026
The information about the standard:
Designation standards: IEEE P802.1ASed
Note: Change
Publication date standards: 13.5.2026
SKU: NS-1262275
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEEE
Annotation of standard text IEEE P802.1ASed :
Amendment Standard - Active - Draft.
This amendment to IEEE Std 802.1AS™-2020 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.
ISBN: 979-8-8557-2832-3, 979-8-8557-2832-3
Number of Pages: 71
Product Code: STDUD28429, STDAPE28429
Keywords: fault-tolerant timing, time selection function, dependent gPTP times, independent gPTPtimes
Category: 802 LAN/MAN/PAN
Draft Number: P802.1ASed/D3.2, Oct 2025 - UNAPPROVED DRAFT, P802.1ASed/D3.2, Oct 2025 - APPROVED DRAFT
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