Windows Live ID Web authentication 1.0
Windows Live(TM) ID is the principal authentication system for Microsoft's online properties. Microsoft has released two enhancements: Windows Live(TM) ID Web Authentication and Windows Live(TM) ID Client SDK both of which enabled third parties to integrate with Microsoft's Windows Live(TM) ID authentication system. The Client SDK allows rich client (desktop) applications authenticate users using their Windows Live(TM) ID credentials. The Windows Live(TM) ID Web Authentication capabibltiy provides single sign on to Microsoft's online properties and also allows third party developers to leverage the Windows Live(TM) ID authentication system for their own website.
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