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2015-08-29#

Common Domain for Identity Provider Discovery#

Service providers need a way to determine which identity provider in a circle of trust is used by a principal requesting authentication. Because Circles of Trust are configured without regard to their location, this function must work across DNS-defined domains. A common domain is configured, and a common domain cookie written, for this purpose.

More Information#

There might be more information for this subject on one of the following: ...nobody