In this figure, the Start SOA Infrastructure box appears at the top left of the figure. It has an arrow that points to the Start B2B box directly below it.

The Start B2B box has an arrow that points to the Initialization of Event Listeners box to its right.

The Initialization of Event Listeners box has an arrow that points to the Wait for Requests from Channels box to its right. There are three arrows above the Wait for Requests from Channels box that point to the Wait for Requests from Channels box.

The Wait for Requests from Channels box has an arrow that points to the Insert message in DB box directly below it.

The Insert message in DB box has an arrow that points to the Insert request in JMS queue box to its left.

The Insert request in JMS queue box has an arrow that points to the B2B Event listener process message box to its left.