This graphic shows a box labeled remote trading partner on the far left. Below this box is the label Outside Corporate Network. The remote trading partner box has incoming and outgoing arrows on its right side. These arrows pass through a firewall to connect with a box labeled Oracle HTTP Server. There are four numbers inside this box: 1, 2, 3, and 4. These numbers correspond to a legend of tasks at the bottom of the graphic:

On the right side of the box labeled Oracle HTTP Server are incoming and outgoing arrows that connect to the left portion of a box labeled RMI. To the right of RMI, and as part of this same box, is the label OracleAS Integration B2B (host trading partner). The boxes inside the firewall have the following label at the bottom: Inside Corporate Network.