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Dialog: Individual, interactive system access.
System: Background processing and communication within a system (such as RFC users for ALE, Workflow, TMS, and CUA).
Communication:Dialog-free communication for external RFC calls.
Service: Dialog user available to a larger, anonymous group of users.
Reference: General, non-person related users that allows the assignment of additional identical authorizations, such as for Internet users created with transaction SU01. No logon is possible.
Business user vs technical user:
也有User Account和Service account的概念。
用户帐户为用户提供账户标识,而服务账户为计算机进程和Kubernetes集群中运行的
Pod提供账户标识。两者的一个区别是作用范围:前者对应人的身份,与服务的namespace无关,因此用户账户是跨namespace的;而后者对应的是一个运行中程序的身份,因此与特定namespace相关。
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