CONTENTS

 1 Scope 
        1.1 Relationship           
2 References 
3 Abbreviations   
4 Security Requirements for Authentication Interworking     
5 Network architecture for access authentication interworking in NGN        
6 Authentication protocols based on EAP-AKA for heterogeneous access authentication     
7 Security considerations    
Appendix I – Example authentication in heterogeneous environments     
        I.1 Example using EAP-AKA with UICC authentication mechanism   
        I.2 Example using EAP-AKA based on a password and the Diffie-Hellman algorithm 
        I.3 Example of fast re-authentication procedure          
Bibliography