Enterprise Architecture is probably one of the most overloaded technical terms. There are many groups wrestling for control of the definition and its associated taxonomy. This of course causes architectural mismatch between systems, concepts, departments, and organizations.
The following post by Paul T. Preiss, President of IASA, calls for examination of the essence of certain architecture specialties (software, infrastructure, and business) to derive an objective list of knowledge foundation blocks. This post is a great start to future collaborative work on building bridges between different frameworks and methodologies.