在UNIX用户IDs与Microsoft安全标识符之间映射身份。

Mapping of identities between UNIX user IDs and Microsoft security identifiers.

youdao

最后一步实现了消息转换，在这里，我们删除了WS - Security头并生成一个建立在映射身份(角色“Guest”)上的ltpa令牌(在传输级别)。

The last step implements the message transformation, here we remove the WS-Security header and generate an LTPA token (at the transport level) built on the mapped identity (the role "Guest").

youdao

AAA 信息文件不仅可用于身份映射，还可以用于身份验证和授权。

AAA information file can be used not only for identity mapping but also for authentication and authorization.

youdao