Table of Contents

 1     Scope          
 2     References 
 3     Definitions 
        3.1     NG-PON2 specific terms            
 4     Abbreviations and acronyms
 5     Architecture              
        5.1     System overview          
        5.2     Network reference architecture
 6     Migration   
        6.1     Co-existence, stacking and overlay         
        6.2     Migration path options
        6.3     Support for legacy ODN             
 7     Service requirements             
        7.1     Service specific requirements   
        7.2     User node interfaces (UNIs)      
        7.3     Service node interfaces (SNIs)  
        7.4     Access node interfaces (ANIs)  
        7.5     System flexibility         
 8     Physical layer requirements  
        8.1     Capacity (per feeder and per user)          
        8.2     Fibre reach (passive and active)              
        8.3     Split ratio (ONUs per ODN)       
        8.4     Optical spectrum issues and availability
 9     System requirements              
        9.1     Colourless ONUs          
        9.2     Spectral flexibility       
        9.3     Rogue ONU/OLT detection and mitigation           
        9.4     Resilience and redundancy requirements             
        9.5     Reach extender requirements    
        9.6     Power reduction            
        9.7     OAM functions             
        9.8     Provisioning and management  
        9.9     Environmental and physical requirements            
       9.10     Eye safety      
       9.11     Interoperability           
Bibliography