Author(s): Blint Molnr, Gyula Szab
The competition on the market enforces companies to adapt to the changing environment. Most recently, economic and financial crisis accelerates the alteration of both business and IT models of enterprises. The forces of globalization and internationalization motivate the restructuring the business processes then consequently IT processes. To depict the changes in a unified framework, we need the concept of enterprise architecture as a theoretical approach that deals with the various tiers, aspects and views of business processes and different layers of application, software and hardware systems.