Table of Contents

 1     Scope          
 2     References
 3     Definitions
 4     Abbreviations and acronyms             
 5     Conventions            
 6     General introduction to packet-based time/phase distribution          
        6.1     Requirements for packet-based time and phase distribution   
 7     Architecture of packet-based time/phase distribution           
        7.1     Packet-based time and phase distribution       
        7.2     Time/phase protection aspects            
        7.3     Packet network partitioning   
 8     Security aspects     
 9     Management aspects          
Annex A – Time/phase models based on ITU-T G.805    
Annex B – Inclusion of an external phase/time interface on a PTP clock    
Appendix I – Architecture for time and phase distribution over a packet network providing partial timing support at the protocol level    
        I.1                  Architecture for partial timing support  
Appendix II – An example of PRTC switching by the BMCA in a ring network    
Appendix III – Generic IWF PTP clock    
Appendix IV – Use cases for mapping from PTP clockClass values to quality levels    
       IV.1     Use case I      
       IV.2     Use case II     
Appendix V – Deployment examples and the use of partially aware clock types    
Appendix VI – cnPRTC functional architecture    
       VI.1     Introduction 
       VI.2     cnPRTC functional architecture