Summary

Recommendation ITU‑T G.8275 describes the architecture and requirements for packet-based time and phase distribution in telecom networks. The architecture described is mainly applicable to the use of IEEE 1588. Details necessary to utilize IEEE 1588 in a manner consistent with the architecture are defined in other Recommendations.

Amendment 2 incorporates the following updates:

1) Updates Annex F for performance monitoring

2)          Updates Appendix XIII for PTP Security