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     Introduction of NGN evolution phase 1         
 7     Service and capability requirements for NGN evolution phase 1        
        7.1     Support of services and applications for things                
        7.2     Support of network intelligence capabilities     
        7.3     Support of network programmability   
        7.4     Support of network functions virtualization      
 8     The capability framework of NGN evolution phase 1               
        8.1     Overview of capability framework        
        8.2     Service stratum capabilities of NGNe1 
        8.3     Transport stratum capabilities of NGNe1            
        8.4     Management capabilities of NGNe1     
 9     Security considerations         
Appendix I – Deployment scenarios in NGN evolution phase 1     
        I.1     Scenarios of network functions virtualization in NGN evolution
phase 1               
        I.2     Scenarios for support of IoT applications in NGN evolution
phase 1        
Appendix II – Potential requirements for further study concerning NGN evolution
phase 1     
       II.1     Support of unified service provision and management 
       II.2     Support of interoperability and interworking    
       II.3     Support of unified network management          
Bibliography