CONTENTS

 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 General concepts for the AAA service  
        6.1 Overview 
        6.2 The AAA process
        6.3 AAA procedure    
7 Application model for authentication and authorization in NGN
8 AAA architecture in NGN          
        8.1 User to network access    
        8.2     User to network service attachment          
        8.3     Authentication and authorization of user for access to 3rd party service 
9 Enrolment 
10 Authentication
       10.1 Authentication entities     
       10.2 Procedure for authentication       
11 Authorization  
       11.1 Authorization aspects for NGN   
       11.2 Authorization entities      
       11.3 Procedure for authorization         
12 Accounting     
       12.1 Security accounting         
       12.2 Functions for security accounting
Appendix I – Authentication protocol for AAA in NGN     
        I.1 EAP protocol for AAA service in NGN
        I.2 AAA protocols   
Appendix II – X.509 digital certificates as credentials     
Appendix III – Authentication and authorization use-case     
      III.1 Authentication and authorization of user for network access        
      III.2 NGN service provider authentication and authorization of user for access to service/application     
      III.3 User authentication and authorization of NGN providers 
      III.4 NGN provider authentication and authorization of 3rd party service/application provider     
      III.5 Use of 3rd party authentication and authorization service
Bibliography