sap what is rfc
Remote Function Call (RFC) is the standard SAP interface for communication between SAP systems.The RFC calls a function to be executed in a remote system. Remote Function Call (RFC) is the call or remote execution of a Remote Function Module in an external system. In the SAP system, these functions are provided by the RFC interface system. The RFC interface system enables function calls between two SAP systems. There are 3 different versions of RFC communication: