Yes, I should clarify. I don't think any of the MVC-variants encourage business logic to be in the controller. The differences are really in the view and contro

Yes, I should clarify. I don't think any of the MVC-variants encourage business logic to be in the controller. The differences are really in the view and controller layers. I suppose, strictly speaking, the others -- MVP, MVVM, MVT, etc -- aren't properly called variants of MVC, but they're all aiming for philosophically similar divisions of responsibility.