This image shows a simplified architecture typical of SaaS extensions based on Oracle WebLogic Server for OCI. Oracle Applications, for example HCM, Sales Cloud, and ERP, act as an Identity Provider in a Federated SSO relationship with Oracle Identity Cloud Service configured as a Service Provider. Oracle WebLogic Server for OCI connects to Oracle Identity Cloud Service, and to an Oracle Database Cloud instance. Oracle Applications and Oracle WebLogic Server for OCIinteract by using secure web services with ID propagation.