The Open Group Architecture Framework (TOGAF) is a structured method for developing enterprise architectures. As standard, its 'Phase B', 'Business Architecture', is an IT-centric way of viewing the business: we need to 'unpack' it to move to a more holistic view of the enterprise in which IT takes a more realistic role.
[Presentation at TOGAF Conference, Paris, April 2007. Describes TOGAF 8.1, but most details apply as much to TOGAF 9. Copyright (c) Tetradian Consulting 2007]