1. CIF Documentation The data is exchanged between the ECC and APO systems through of standard interface called CIF (Core Interface) that is included in the SAP ECC Plug-In. A RFC connection (Remote Function Call) connects the SAP ECC System and APO System. The system transfers the data selected in the CIF via this connection. The Master data and Transactional data that must be transferred from ECC to APO system are determined in the CIF, which is responsible to control this transfer. The CIF is a real-time interface that works through Integration Models generated in SAP ECC system. Integration Models contain all data to be transferred from SAP ECC to SAP APO (Material, Plants, Sales Orders, Inventory). The transfer of data via CIF is done asynchronously through qRFC –queued Remote Function Call and it could be configured with Outbound or Inbound queue methods. 2. CIF Configuration The next steps were based on scenario in the MGS System landscape. Pay attention with the nomenclature about your landscape. 2.1 ECC System A) Create an user for ALE communication (Tcode: SU01);
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