Best Practice for using multiple models

Hi Buddies,
     Can u tell me the best practices for using multiple models in single WD application?
    Means --> I am using 3 RFCs on single application for my function. Each time i am importing that RFC model under
    WD --->Models and i did model binding seperately to Component Controller. Is this is the right way to impliment  multiple            models  in single application ?

It very much depends on your design, but One RFC per model is definitely a no no.
Refer to this document to understand how should you use the model in most efficient way.
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/705f2b2e-e77d-2b10-de8a-95f37f4c7022?quicklink=events&overridelayout=true
Thanks
Prashant

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