The cross-domain SSO live demo applications are at http://idp.codeultimate.com (Identity Provider), http://sp.codeultimate.com (Service Provider 1), and http://sp2.codeultimate.com (Service Provider 2). The following steps illustrate how these cross-domain applications work:
The code of these cross-domain SSO live demo applications is available in the setup package. After installing the setup package, you can see three sample projects in folder Samples\Saml\Web\CS\Saml2MultipleSPs for C# and Samples\Saml\Web\VB\Saml2MultipleSPs for VB.NET. To open the Cross-domain SSO demo applications, double click on the solution file named Saml2MultipleSPs_XXXX.sln.