Table of Contents

 1     Scope          
 2     References
 3     Definitions 
       3.1      Terms defined elsewhere        
       3.2      Terms defined in this Supplement       
 4     Abbreviations and acronyms             
 5     Conventions             
 6     Next generation network architecture         
        6.1     Overview        
       6.2      NGN functional architecture   
 7     Physical realization of the NGN functional architecture         
Bibliography