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 Support for OpenID in NGN
6.1 Reference model
6.2 Protocol message
formats in the context of NGN
6.3 Communication types
6.4 Generating signatures
6.5 Procedures of OpenID
authentication in NGN
6.6 Security considerations
Bibliography