How the Identity Provider Proxy obtains the information about the actual Identity Provider is determined by whether or not the Introduction Cookie is enabled. Introduction Cookie is turned off, the Identity Provider Proxy retrieves an Identity Provider name from a list of pre-configured Identity Providers specified in the configuration.
The following figure illustrates the process for this use case. In this example, persistent federation is in place. In the transient federation mode, the Identity Provider Proxy does not contain any user information. The Identity Provider Proxy is used for proxying. The user information is only stored in the actual Identity Provider. The following figure illustrates the process flow for this use case.