Table of 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     OSE capabilities in NGN           
 7     OSE architecture        
        7.1     OSE positioning within the NGN   
        7.2     OSE functional architecture          
                  7.2.2     Service discovery functional entity (SD-FE) 
 8     Security considerations             
Appendix I – Mapping of OSE capabilities into ITU-T Y.2012 FEs and ITU-T Y.2020 FEs    
Appendix II – Procedures related to OSE    
       II.1     Procedure for service discovery    
       II.2     Procedure for service registration  
       II.3     Procedure for service interworking with other open service environments           
Bibliography