On the Microsoft MSDN Library you can find a very interesting article comparing the 4 main Enterprise Architecture Methodologies: A comparison of The Top four Enterprise Architecture Methodologies

Quoting the source, the frameworks discussed are : 

  • The Zachman Framework for Enterprise ArchitecturesAlthough self-described as a framework, is actually more accurately defined as a taxonomy
  • The Open Group Architectural Framework (TOGAF): Although called a framework, is actually more accurately defined as a process
  • The Federal Enterprise Architecture: Can be viewed as either an implemented enterprise architecture or a proscriptive methodology for creating an enterprise architecture
  • The Gartner Methodology: Can be best described as an enterprise architectural practice


The summary of this paper is :

Twenty years ago, a new field was born that soon came to be known as enterprise architecture. This paper covers a broad introduction to the field of enterprise architecture. Although the history of the field goes back 20 years, the field is still evolving—and rapidly so.

The author of this article is :

Roger Sessions is the CTO of ObjectWatch. His ObjectWatch Newsletter is now in its 13th year of publication. He has written six books, including Software Fortresses: Modeling Enterprise Architectures (Addison-Wesley, 2003), and many articles. He is on the Board of Directors of the International Association of Software Architects (IASA), is Editor-in-Chief of Perspectives of the International Association of Software Architects, and is a Microsoft-recognized MVP in Enterprise Architecture. Learn more about Roger Sessions and ObjectWatch at

Enjoy the good reading !