Updated: July 14, 2020 (June 18, 2007)

Inside a BizTalk RFID Server

As managing vice president, Rob Helm covers Microsoft collaboration and content management. His 25-plus years of experience analyzing Microsoft’s technology... more

Developers can program communications between radio frequency ID (RFID) devices, specific business applications, and BizTalk RFID servers. Shown here are the major components of a BizTalk RFID server connecting business applications (top) to RFID devices such as tag printers and readers (bottom).

BizTalk RFID communicates with devices via the Device Service Provider Interface (DSPI). Device manufacturers write components called providers that translate between device-independent DSPI operations (e.g., “write data to tag”) and the native protocols and commands of their devices.

Incoming RFID data frequently need to be checked in real time to discard spurious or redundant data (for example, duplicate tag reads) or immediately flag exceptional situations, such as detecting an item leaving a warehouse when it has already been marked out-of-stock. BizTalk RFID includes a programmable RFID event processing engine to perform such checking. Developers can program the engine by using the following two interfaces:

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