In this use case, the company uses SiteMinder in the Identity Provider environment to protect applications within the company intranet. As the company partners with external companies, the company deploys OpenSSO Enterprise in the Service Provider environment to leverage the SAMLv2 Federation protocols.
The following figure illustrates how SiteMinder can be enabled in an Identity Provider environment using OpenSSO Enterprise for federation protocols.
In this deployment, OpenSSO Enterprise provides federated single sign-on among enterprise applications in partner environments, while SiteMinder continues to provide authentication. The following two figures illustrates a typical transaction flow.