After researching on the topic of claims-Based security (or a federated security model). I\'ve been coming across many examples that use CardSpace as an example. The main articl
The best thing to implement an STS on on the Windows platform is to use AD FS.
See this blog for details, http://blogs.msdn.com/vbertocci/archive/2007/11/19/developing-a-minimal-sts-with-adfs-2-identity-framework-part-i-the-sts-itself.aspx.