OpenSSO Enterprise Acts as Identity Provider

In this use case, Company B wants to offer its employees a new online collaborative environment based on Microsoft SharePoint Services. The collaboration solutions is an outsourced model where Company C provides dedicated SharePoint Services to its customers. In order to provide single sign-on to the Company B employees, Company C leverages the federation services provided by ADFS. A trust relationship is created between created between the Company B OpenSSO Enterprise Identity Provider and the Company C Resource Identity Provider /Security Token Service.