1     Scope         
 2     References              
 3     Definitions 
        3.1     Terms defined elsewhere       
        3.2     Terms defined in this Recommendation           
 4     Abbreviations and acronyms            
 5     Conventions            
 6     Content delivery overview   
        6.1     Introduction  
        6.2     Content ingestion       
        6.3     Content dispatching   
        6.4     Content delivery        
 7     Content delivery functions   
        7.1     Content delivery functions in the IPTV architecture      
        7.2     Hierarchical content delivery architecture       
 8     Content delivery requirements         
        8.1     Mandatory requirements       
        8.2     Optional requirements           
 9     Reference points    
        9.1     Reference point D1' between CD&LCF and CCF            
        9.2     Reference point D2 between CCF and CDPF     
        9.3     Reference point D3 between different CD&LCF            
        9.4     Reference point D4 between different CCF      
        9.5     Reference point D5 between different CDPF    
        9.6     Reference point S1' between SCF and CCF       
10     Hierarchical model deployment principles  
       10.1     General principles    
       10.2     Selection      
11     Content delivery procedures           
       11.1     Generic content delivery procedures 
       11.2     Hierarchical content delivery procedures       
12     Security considerations       
Appendix I – Deployment model     
        I.1               Delivery deployment model        
        I.2               Client/server model       
        I.3               Proxy instance model     
        I.4          Hybrid model