This figure shows a topology that contains two Oracle Homes and a remote Oracle Database. The first Oracle Home contains the following:

• Oracle HTTP Server

The second Oracle Home contains the following:

• An OC4J instance named OC4J_BPEL which contains the BPEL application.

• An OC4J instance named OC4J_ESB which contains the ESB application.

• An OC4J instance named OC4J_OWSM which contains the OWSM application.

• An OC4J instance named Home which contains Application Server Control and Java Single Sign-On

The four OC4J instances share the same Jazn-data.xml file.