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A BRIEF WORD REGARDING CARDSPACE

In addition to System.ServiceModel.dll and System.Runtime.Serialization.dll, WCF provides a third

WCF assembly named System.IdentityModel.dll. Here you will find a number of additional namespaces and

types that support the WCF CardSpace API. This technology allows you to establish and manage digital identities

within a WCF application. Essentially, the CardSpace API provides a unified programming model to account for vari-

ous security-related details for WCF applications, such as caller identity, user authentication/authorization services,

and whatnot.

We will not examine CardSpace further in this edition of the text, so be sure to consult the .NET Framework

3.5 SDK documentation if you are interested in learning more.

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