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介绍了NGN中身份管理的概念以及不同层面(包括用户层面、网络层面、应用层面等)的身份特征,阐述了NGN身份管理体系架构的设计原则和在NGN中身份管理相关的功能。
This paper introduces the concept of identity management in NGN and the identity characteristics of different levels (including user level, network level and application level), and expounds the design principles of NGN identity management architecture and the functions related to identity management in NGN.