This graphic compares an Oracle Application Server 10g Release 3 (10.1.3) instance with a similar Oracle Fusion Middleware 11g environment.
The 10g instance consists of a sincle application server instance (represented by a gray box). Inside this box are two smaller boxes: one represents an OC4J instance (wich Oracle Enterprise Manager Fusion Middleware Control and some deployed Java EE applications), and the other represents an instance of Oracle HTTP Server.
The Oracle Fusion Middleware environment is represented by two gray boxes. The first gray box represents the Oracle WebLogic Server domain, which includes an administration server and a managed server. The second gray box represents a separate Oracle instance that contains the Web tier components, Oracle Web Cache and Oracle HTTP Server.