When to Use AICs
So, when would you need to create an AIC? Well, you might need to write one or use a prebuilt AIC when you need to integrate with an external application system, such as SAP, or when you need to update data in an SQL database, such as SQL Server or Oracle. You may also need to write one when you integrate with a Web service. Each of these is depicted in Figure 17.1.
Figure 17.1. Using AIC to connect to various applications.
Figure 17.1 shows how an AIC on a BizTalk Messaging Port can be used to integrate to an ERP system (SAP R/3), databases, other COM components, or a Web service.
In BizTalk, messages can originate in one of two ...
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