BizTalk™ Unleashed

Correlating to a Running Orchestration

In the previous section, you learned how BizTalk Server instantiates a new instance of a business process by delivering a message to the orchestration schedule. Our example showed that after the message was received it displayed the message in a message box. Although this established that the schedule was started, in a real-world scenario, this is the beginning of a business process and not the end. In general, most B2B or EAI business processes involve a minimum of two messages being exchanged:

• An outgoing message with a request

• An incoming message with a response

Returning to our AcctMngSys EAI application in Figure 16.1, we will look at the third and fourth block of the business process. The business process ...