SharePoint Claims Based Authentication – The Relationship Between Claims Based Identity, Windows Identity Foundation, ADFS v2
In order to fully comprehend what claims based identity has to offer you, it is important to understand the MSFT Identity stack. We are going to go over several examples of how it can be applied to SharePoint claims based identity to give you a good overview of how it all falls into place. It is important to realize that there are quite a few ways in which this type of technology can be implemented.
The key question here is how does the application take the information about a user from a trusted source? With claims based identity there is a consistent answer for that which will be used regardless of the type of scenario that you are talking about. The products from various vendors, including Microsoft, will be the providers of STS. There are quite a few different identity selectors that can be used as well. You can use one such as Higgins which is open source or you can create your own application for this purpose. Many people have the concept that claims based identity is going to be monopolized by Microsoft. While they are a valuable player in this, they are only one of the vendors that can be used to make it work. Consumers will have many choices.
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