Summary

Recommendation ITU-T G.8275.2/Y.1369.2 contains the ITU-T precision time protocol (PTP) profile for phase/time distribution with partial timing support from the network (unicast mode). It provides the necessary details to utilize IEEE 1588 in a manner consistent with the architecture described in Recommendation ITU-T G. 8275/Y.1369. This Recommendation defines the PTP profile for unicast mode only. Future editions of this Recommendation may contain a separate profile for a mixed unicast/multicast case

Amendment 3provides the following updates:

����������� Replaced masterOnly procedures with a pointer to the procedures defined in IEEE 1588‑2019

����������� Added new per port notMaster attribute

����������� Added indication of datatype for all dataset members (Annex A)

����������� Added some notes to dataset tables (Annex A)

����������� Updated requirements related to IPv4 and IPv6 (clauses 6.4 and A.3.2)