Federation services

Federation services are used when two different companies want to authenticate between each other when they participate in a joint venture. Think of two car manufacturers wanting to produce the best car engine in the world. Both companies have experts on engines but they want to work together to produce a super engine.

The companies don't want to merge with each other; they want to retain their own identify and have their own management in place. These are known, to each other, as third parties.

Each of these companies will have their own directory database, for example an active directory that will only have users from their domain. Therefore, normal domain authentication will not work. Let us now look at the two different ...

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