The Model-Driven Architecture (MDA) by the Object Management Group (OMG) is a software design approach to the challenge of business and technology change.Based on OMG's established standards, the MDA separates business and application logic from underlying platform technology. Platform-independent models of an application or integrated system's business functionality and behaviour, built using UML and the other associated OMG modeling standards, can be realized through the MDA on virtually any Platfrom, open or proprietary, including Web Services, .NET, CORBA, J2EE and others.These platform-independent models document the business functionality and behaviour of an application separate from the technology-specific code that implements it, insulating the core of the application from technology and its relentless churn cycle while enabling interoperability both within and across platform boundaries.
MDA 
