Data Source And Info Source

Hi Experts
Can anyone tell technical difference between data source and info soure ? Where data source will be and where will be info source .
Kumar

Hi Kumar,
DataSources include extraction source structures and transfer structures. Data is staged in the extraction source structure and the transfer structure, and transferred into the BW system by ALE or tRFC.
An InfoSource is always a quantity of  Info Object that logically belong together. The structure in which these are stored is called a communication structure.
There are basically two types of InfoSources.
InfoSources with flexible updating
Info Sources with direct updating
suresh

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