Communication Structure & Transfer Structure in SAP BW


è Communication Structure
The communication structure is localized in the SAP BW and displays the structure of the InfoSource. 
 
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èIt contains all of the InfoObjects belonging to the InfoSource of the BW system. 
 
Transfer Structure
 
èTransfer Structure is a selection of DataSource fields from a source system. 
 
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èThe transfer structure provides the BW with all the source system      information available for a business process. 
 
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èA transfer structure always refers to a DataSource in a source system and an InfoSource in a BW
 

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