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<title>Remote Function Call</title>

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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Remote Function Call</span></span>

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</style><div role="note" class="hatnote navigation-not-searchable">This article is about the SAP technology. For generic term, see <a href="Remote_procedure_call" title="Remote procedure call">remote procedure call</a>.</div>

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<p><b>Remote Function Call</b> is a proprietary <a href="SAP" title="SAP">SAP</a> interface. 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.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Remote function calls may be associated with <a href="SAP_AG" class="mw-redirect" title="SAP AG">SAP</a> software and <a href="ABAP" title="ABAP">ABAP</a> programming and provide a way for an external program (written in languages such as <a href="PHP" title="PHP">PHP</a>, <a href="Active_Server_Pages" title="Active Server Pages">ASP</a>, <a href="Java_(Sun)" class="mw-redirect" title="Java (Sun)">Java</a>, <a href="C_programming_language" class="mw-redirect" title="C programming language">C</a>, or <a href="C%2B%2B" title="C++">C++</a>) to use data returned from the server. Data transactions can get data from the server, and can insert data into server records as well. SAP can act as the Client or Server in an RFC call.

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<div class="mw-heading mw-heading2"><h2 id="Technical_overview">Technical overview</h2></div>

<p>A Remote Function Call (RFC) is the call or remote execution of a Remote Function Module in an external system.

In the <a href="SAP_ERP" title="SAP ERP">SAP</a> 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:

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<ol><li><i>The first version of RFC is synchronous RFC (sRFC).</i></li>

<li><i>Transactional RFC (tRFC, also originally known as asynchronous RFC)</i></li>

<li><i>Queued RFC (qRFC)</i></li></ol>

<div class="mw-heading mw-heading2"><h2 id="RFC_interfaces">RFC interfaces</h2></div>

<p>The RFC interface system is made up of the following interfaces:

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<ul><li>Calling interface for ABAP programs</li>

<li>Each ABAP program can call a remote function module using the command CALL FUNCTION...DESTINATION. The parameter DESTINATION informs the SAP system that the called function module runs in a different system to the calling system. RFC communication with the remote system takes place as a part of the CALL FUNCTION command.</li>

<li>RFC function modules in an SAP system must be proper function modules and must be registered in the SAP system as remote.</li>

<li>If the calling program and the called program are both ABAP programs, the RFC interface provides both communication partners. The calling program can be any ABAP program, and the called program must be a function module that is registered as remote.</li>

<li>Interfaces for calling non-ABAP programs</li></ul>

<p>If either the calling program or the called partner is not an SAP program, it must be programmed in such a way that it can play the role of the other partner in RFC communication.

</p><p>To implement RFC partner programs in non-SAP systems, read: Components of the SAP Communication Technology.

</p><p>RFC-supported and GUI-supported interfaces can be used by external programs to call and execute function modules in SAP systems. Likewise, ABAP programs can also use these interfaces to use functions supplied by external programs.

</p><p>Functions are remote-enabled by setting the "Remote-enabled module"-flag in the Attributes tab of the ABAP Workbench: Function Builder (transaction SE37).

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<div class="mw-heading mw-heading2"><h2 id="SAPRFC">SAPRFC</h2></div>

<p>SAPRFC is an <a href="Open-source_software" title="Open-source software">open source</a> program for <a href="UNIX" class="mw-redirect" title="UNIX">*NIX</a> and <a href="Microsoft_Windows" title="Microsoft Windows">Windows</a> systems that allows <a href="PHP" title="PHP">PHP</a> to make calls to an RFC-enabled SAP R/3 system.

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<ul><li><a href="ERP_software" class="mw-redirect" title="ERP software">ERP software</a></li>

<li><a href="Oracle_Call_Interface" title="Oracle Call Interface">Oracle Call Interface</a></li></ul>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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<li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://help.sap.com/saphelp_nw70/helpdata/en/6f/1bd5b6a85b11d6b28500508b5d5211/frameset.htm">RFC documentation by SAP</a></span>

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<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>

<ul><li><a rel="nofollow" class="external text" href="https://forums.sdn.sap.com/forum.jspa?forumID=124">PHP Development Forums</a> in the <a rel="nofollow" class="external text" href="http://www.sdn.sap.com">SAP Developer Network</a></li>

<li><a rel="nofollow" class="external text" href="http://saprfc.sourceforge.net/">SAPRFC Open Source Project</a></li>

<li><a rel="nofollow" class="external text" href="https://www.opc-router.com/3-sap-systems_opc_ua_router_en/">Graphical RFC Connector</a></li></ul></div><div><div class="zim-footer">

This article is issued from <a class="external text" title="Last edited on 2024-02-07" href="https://en.wikipedia.org/wiki/?title=Remote_Function_Call&oldid=1204356644">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.

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