Answer / devesh kpase

Layered Scalable Architecture (LSA)
in simple words is a SAP's recommended way to implement a business flow in SAP BW. for eg - PSA is data acquisition layer in LSA that the data incoming from other system first comes to PSA in its original form. Similar ways LSA architecture basically is for different data persistent layers.
http://help.sap.com/static/saphelp_gbt20/en/8f/5c739a26814cfe880126cd4862a887/ppt_img.gif

LSA++ is for BWOH

Answer / hareesh naidu

LSA Architecture means Layered Scalable Architecture
in this mainly we use 6 layers they are
1. Acquisition layer for (DS,PSA)
2. Harmonization layer for (WDSO)
3.propagation layer for (SDSO)
4.Transformation layer for (SDSO for spliting of data)
5.Data mart layer for (IC)
6.Virtualization layer for (MP).
these are the main LSA layers

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