This figure describes the Integration Architect topology. The J2EE and Web Cache middle-tier installation type is installed in one Oracle Home. Oracle Application Server ProcessConnect is also installed into this Oracle Home. The Infrastructure is installed in a separate Oracle Home, and contains the Oracle Application Server Metadata Repository, which provides product metadata, security metadata, and management metadata, AQ, and the Workflow engine. This Oracle Home also includes Identity Management services, including Oracle Internet Directory, Oracle Application Server Single Sign-On, Directory Integration and Provisioning, Delegated Administration Services, and Oracle Application Server Certificate Authority.