Over all stack is an Oracle BI Domain. 1. Made up of three areas WLS Admin server, WLS managed server (Java Components), System components (Non Java Components). 2. Same as in OBIEE 10g but now integrated with Fusion Middleware WLS stack. 3. Java components are installed in managed server and controlled by Fusion Middleware control. 4. Web logic service Admin server used for controlling WLS platform like Startup, shutdown, security, Non-OBIEE specific tables. 5. Fusion Middleware Control (Enterprise Manager) used for managing OBIEE 6. OPMN used for starting and stopping system components. 7. Node manager is used for starting and stopping managed servers. Role of Fusion Middleware Control (EM): 1. Unified, system wide management of all nodes across BI domain. 2. Patching and upgrading, start and stop system components. 3. Management of rpds and web catalogs. 4. Performance monitoring 5. Replaces(in part, initially) hand editing of config files (nqsconfig....