Wednesday, 17 October 2012

Difference between MVC and 3-tier architecture

3-tier design

 MVC pattern
Meaning that:

1. In the 3-tier equivalent, communication between layers is bi-directional and always passes through the Middle tier

2. In the MVC equivalent the communication is in unidirectional; we could say that each "layer" is updated by the one at the left and, in turn, updates the one at the right –where "left" and "right" are merely illustrative

P.S. Client would be the View and Middle the Controller
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