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Federated identity
From Wikipedia, the free encyclopedia
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Please help improve this article or section by expanding it. Further information might be found on the talk page or at requests for expansion. This article has been tagged since January 2007. |
In information technology, federated identity has two general meanings:
- The virtual reunion, or assembled identity, of a person's user information (or principal), stored across multiple distinct identity management systems. Data is joined together by use of the common token, usually the user name.
- The process of a user's authentication across multiple IT systems or even organizations.
For example, a traveler could be a flight passenger as well as a hotel guest. If the airline and the hotel use a federated identity management system, this means that they have a contracted mutual trust in each other's authentication of the user. The traveler could identify themselves once as a customer for booking the flight and this identity can be carried over to be used for the reservation of a hotel room.
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