Used Model Driven approch to increate the quality of the Architetures of your Softwares.Used Model Driven approch to increate the quality of the Architetures of your Softwares.The Model-driven architecture (MDA) is a software design approach for the development of software systems. It provides a set of guidelines for the structuring of specifications, which are expressed as models. Model-driven architecture is a kind of domain engineering, and supports model-driven engineering of software systems. It was launched by the Object Management Group (OMG) in 2001.