This image shows a box labeled Host #1 on the left. Inside the box are the words Load Balancer or Network Switch. Bidirectional arrows on the right side connect Host #1 to dashed boxes labeled Host #2 and Host #3. These bidirectional arrows have the words BPEL-Optimized SOAP Stack. Another bidirectional line connects Host #1 to Host #3. This line is labeled Stateless Architecture, and has two subbullets: Clustering and Fail Over.

The dashed box labeled Host #2 has two subboxes inside it. One is labeled Oracle BPEL Process Manager for OracleAS Middle Tier and the other is labeled Oracle Application Server SOA (J2EE Server Installation or J2EE server and Web Server Installation).

The dashed box labeled Host #3 has two subboxes inside it. One is labeled Oracle BPEL Process Manager for OracleAS Middle Tier and the other is labeled Oracle Application Server SOA (J2EE Server Installation or J2EE server and Web Server Installation).

Host #2 and Host #3 connect to a dashed box on the right side labeled Host #4. Inside this box is a database labeled Dehydration Store (Database). An arrow connects to the database from below. This arrow is labeled Binary DOM, as has the following subbullets: Lazy Loading, Smart Partitioning, W3C DOM Interface, and Support for Large Documents.