1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 Conventions
6 The need for time and phase synchronization
7 Time and phase synchronization methods
7.1 Distributed PRTC
7.2 Packet based methods with timing support of intermediate nodes
8 Network reference model
8.1 Access section of HRM with PTP/native access IWF
9 Time and phase synchronization interfaces
Annex A – One pulse-per-second (1PPS) time and phase synchronization interface
specification
A.1 1PPS ITU-T V.11 interface
A.2 1PPS 50 W phase
synchronization measurement interface
Appendix I – Time and phase noise sources in time distribution chains
I.1 Noise introduced by a primary reference time clock (PRTC)
I.2 Noise introduced by a packet master clock function
I.3 Noise introduced by a packet slave clock function
I.4 Noise introduced by a telecom transparent clock
I.5 Noise introduced by a link
I.6 Derivation of delay asymmetry
I.7 Characteristics of the noise sources
I.8 Time error accumulation in a chain of clocks
Appendix II – Time and phase end application synchronization requirements
Appendix III – Asymmetry compensation for use of different wavelengths
Appendix IV – Link and network asymmetry compensation
Appendix V – Delay asymmetry resulting from interface rate change in
PTP-unaware network elements
Bibliography