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Use

This section gives you an overview of the technical realization of a connection.

The communication based on the SAP interface Remote Function Call (RFC).

As of release 3.0 können Daten zwischen SAP-Systemen und externen Programmen sicher und zuverlässig über den transaktionalen Remote Function Call (tRFC) übertragen werden.

The called function module is run exactly once in the RFC server system. The remote system need not be available at the time when the RFC client program is executing a tRFC. The tRFC component stores the called RFC function, together with the corresponding data, in the SAP database under a unique transaction ID (TID).

You can find a detailed description of the RFC interface in the Remote Communications documentation.

The current section gives you an overview of the program technology. It does not claim to be complete.

If you want to create a connection yourself, then you must read the further documentation.