Capgemini Integrated Architecture Framework (IAF)

The Integrated Architecture Framework (IAF) is a development of the Zachman Framework.

It's domains are: 

• Business Architecture - people, process and organisation
• Information Architecture 
• Information Systems - applications
• Technology Infrastructure - infrastructure
• Governance 
• Security

It has four levels of abstraction:

• Why - Contextual 
• What - Conceptual
• How - Logical
• With What - Physical