ABAP Keyword Documentation →  ABAP - Reference →  Data Interfaces and Communication Interfaces →  Remote Function Call →  RFC Overview 

RFC Introduction

Remote Function Call (RFC) is an SAP procedure for calling function modules in remote systems.

Communication using the RFC interface can be subdivided into different scenarios depending on the systems involved:

• AS ABAP - AS ABAP

• AS ABAP - external system

• AS ABAP - SAP Java

• AS ABAP - external Java

RFC can be used as a synchronous or asynchronous communication procedure.

There are also different RFC variantsdesigned for various purposes and have different service properties respectively:

• Synchronous RFC (sRFC)

• Asynchronous RFC (aRFC)

• Parallel RFC (pRFC)

• Background RFC (bgRFC)

• Transactional RFC (tRFC)

• Queued RFC (qRFC)

Other versions: 7.31 | 7.40 | 7.54

More Information

• For a detailed description of Remote Function Call, see the following section in SAP Library:
  
  RFC

• For details on RFC programming, see:
  
  Writing RFC Programs in ABAP