BW implementation - with appr. 400 different external system

Hi,
we plan to implemenent an BW scenario with appr. 400 different external systems (100 access databse, SQL SERver, Excel  ....)
Our architektur is designed in the moment with an additional layer in the ETL architektur = an SQL server.
Means all 400 different systems would send data to the SQL server and on an second step the data would send to the BW server.
Benefit - reduce the interfaces to the BW system and the BW system would have just on type of extrnael system and dataformats.
Does anyone have expierence with this kind of scenarios - what are the benefit? Or what are the argument fro this sceanrio??
Best regards
Grit

Hi,
Ofcourse BIW can be used as one place of integration for all our different systems existing in the organization. But your no is a quite big one to hear. So it is better to use  SQL server as intermediate integration of data, rather  than creating lot of sourcesystem which can be used to upload a quite small amount of the data to BIW.
With rgds,
Anil Kumar Sharma .P

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