A: 

the best thing to implement an STS on win Platform is to use ADFS

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

 2008-10-24 08:45:46
+3  A: 

I think I found my answer :D

http://www.theserverside.net/tt/articles/showarticle.tss?id=ClaimsBasedSecurityModel http://www.theserverside.net/tt/articles/showarticle.tss?id=ClaimsBasedSecurityModel2

And then there's the latest Microsoft Geneva Framework announced at PDC. Perfect for what I need. (now if only my own answer were marked as the answer :P)

http://www.microsoft.com/geneva

nyxtom  2008-10-24 16:44:05

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