Follow;
Architecture Data Services;
http://sapsimplified.com/sap-bods/architecture-of-sap-businessobjects-data-services-bods/
Architecture BI Platform
https://help.sap.com/businessobject/product_guides/sbo41/en/sbo41_bip_architecture_en.pdf
Follow Administration Guide;
http://help.sap.com/businessobject/product_guides/sbods42/en/ds_42_admin_en.pdf
