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Work item:
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G.8271.1/Y.1366.1 (2022) Amd.3
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Subject/title:
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Network limits for time synchronization in packet networks with full timing support from the network-Amendment 3
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Status:
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Approved on 2025-05-14 [Issued from previous study period]
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Approval process:
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AAP
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Type of work item:
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Recommendation
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Version:
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-
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Equivalent number:
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-
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Timing:
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-
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Liaison:
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IEEE 802, 3GPP, O-RAN, IEEE1588
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Supporting members:
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-
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Summary:
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Recommendation ITU-T G.8271.1/Y.1366.1 specifies the maximum network limits of phase and time error that shall not be exceeded. It specifies the minimum equipment tolerance to phase and time error that shall be provided at the boundary of packet networks at phase and time synchronization interfaces. It also outlines the minimum requirements for the synchronization function of network elements.
This Recommendation addresses the case of time and phase distribution across a network by a packet-based method with full timing support to the protocol level from the network.
Amendment to Recommendation G.8271.1 provides the following updates:
Added a HRM to address the use case of Synchronization requirements for applications connected via the 5G system
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Comment:
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-
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Reference(s):
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Historic references:
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Contact(s):
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| ITU-T A.5 justification(s): |
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First registration in the WP:
2024-01-11 12:40:41
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Last update:
2025-04-13 16:50:32
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