The BizTalk engine uses adapters to communicate with outside systems, and adapters start and end any process within BizTalk. Adapters come in three basic flavors: protocol adapters, database adapters, and ERP adapters.
Hundreds of adapters are available from third-party vendors that enable the BizTalk engine to communicate with just about any system. In addition, if an adapter is not available, the BizTalk adapter framework facilitates custom adapter development in .NET. Commonly used adapters include the following:
Protocol adapters: HTTP, File, and SOAP
Database adapters: SQL, DB2, and Oracle
ERP adapters: SAP, PeopleSoft, and Siebel
An entire book would be necessary to cover all the adapters available and their proper use. ERP ...