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Work item:
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G.8275.1/Y.1369.1 (2016) Amd.1
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Subject/title:
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Precision time protocol telecom profile for phase/time synchronization with full timing support from the network - Amendment 1
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Status:
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Approved on 2017-08-29 [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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-
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Supporting members:
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-
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Summary:
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Amendment 1 to Recommendation ITU-T G.8275.1 (2016/06) provides the following updates:
- Added G.8271 to references
- Addition of a new definition: Special Port (3.2)
- Clarification on the use of logMessageInterval in Delay_Resp messages (6.2.8)
- Clarification on the behaviour of the T-BC Announce message contents when the T-BC has a parent clock.
- Incremented the minor revision number of the profileVersion (Annex A)
- Correction to the handling of the alternateMasterFlag
- Added informative text on the handling of the synchronizationUncertain flag (Annex E)
- Added monitoring of a PTP MASTER port by a PTP PASSIVE port (Annex G)
- Updates to Announce message fields of currentUtcOffset and synchronizationUncertain when using PTP clock states (Appendix V)
- Update of Appendix VII
- Added informative use cases for the use of the priority2 attribute (Appendix X)
- Added considerations on native access equipment (Appendix XI)
- Added monitoring alternate master time information provided by a peer PTP port (Appendix XII)
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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:
2016-06-13 08:11:44
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Last update:
2017-09-12 11:09:53
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