本标准规定了下一代网络（NGN）的认证和授权要求。这包括跨用户到网络接口（UNI）、网络到网络接口（NNI）和应用到网络接口（ANI）的身份验证和授权要求，以及网络内部可能需要身份验证和授权的任何实体。

This standard provides authentication and authorization requirements for Next Generation Networks (NGN). This includes requirements for authentication and authorization across the User-to-Network Interface (UNI), the Network-to-Network Interface (NNI) and the application--to--Network Interface (ANI) as well as any entities internally with a network that may require authentication and authorization.