Recommendation ITU-T G.8275/Y.1369 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.
ITU-T Y.1369-2013 Referenced Document
ITU-T G.805-2000 Generic Functional Architecture of Transport Networks Series G: Transmission Systems and Media Digital Systems and Networks Digital Networks - General Aspects Study Group 13
ITU-T G.810-1996 DEFINITIONS AND TERMINOLOGY FOR SYNCHRONIZATION NETWORKS Study Group 13
ITU-T G.8260-2012 Definitions and terminology for synchronization in packet networks (Study Group 15)