CONTENTS

 1     Scope 
 2     References 
 3     Definitions  
        3.1     Terms defined elsewhere    
        3.2     Terms defined within this Recommendation 
 4     Abbreviations and acronyms        
 5     Conventions     
 6     IPTV domains  
 7     IPTV architectural approaches     
        7.1     Architectural approaches   
        7.2     Architectural differences     
 8     IPTV functional architecture framework   
        8.1     End-user functions 
        8.2     Application functions          
        8.3     Service control functions    
        8.4     Content delivery functions  
        8.5     Network functions 
        8.6     Management functions       
        8.7     Content provider functions 
 9     IPTV architectural overview         
        9.1     End-user functions 
        9.2     Application functions          
        9.3     Service control functions    
        9.4     Content delivery functions  
        9.5     Network functions 
        9.6     Management functions       
        9.7     Content provider functions 
10     IPTV functional architectures      
       10.1     Description of functions specific to the non-NGN IPTV functional architecture       
       10.2     Description of functions specific to NGN IPTV functional architectures      
       10.3     Description of functions common to the three architectural approaches       
       10.4     Interworking         
11     Reference points 
       11.1     Reference points with characteristics common to all three IPTV architectures         
       11.2     Reference points with characteristics specific to non-NGN IPTV architecture        
       11.3     Reference points with characteristics specific to NGN non-IMS IPTV architecture
       11.4     Reference Points specific to NGN IMS IPTV Architecture
Annex A – Relationship between IPTV and NGN architectures     
       A.1      IPTV‑related components in the NGN architecture
        A.2     Functional mapping between NGN-based IPTV and NGN architectures   
       A.3      Application support functions and service support functions
Appendix I – Procedural flows relating to IPTV services     
       I.1      High level flows      
        I.2        Procedural flows for IPTV services based on NGN non-IMS IPTV architectures 
        I.3        Procedural flows for IPTV services based on NGN IMS IPTV architecture          
        I.4        Procedural flows for IPTV interconnection between two NGN networks  
Appendix II – Potential protocols that could be used on IPTV reference points     
Appendix III – IPTV physical network hierarchy     
Appendix IV – Overlay networking function for IPTV services and multicast     
Appendix V – Adaptation of the IPTV architecture for HFC networks     
Appendix VI – Nomadism for IPTV services     
       VI.1     Interconnection with the visited network    
       VI.2     Interconnection with third party service providers  
Bibliography