Delving into TOGAF, ArchiMate, and related tools – EA
As explained in the first chapter, the main purpose of the EA function is to connect the IT department to different business lines and to make sure that IT investments and initiatives ultimately create business value. Most EA organizations are based on TOGAF.
Introducing TOGAF's ADM
The purpose of the Architecture Development Method (ADM) is to manage the development life cycle of the EA practice. The following screenshot shows the ADM proposed by TOGAF:
Figure 2.2 – TOGAF ADM
You can follow this to cover the entire spectrum of EA in a series of logical steps. However, because TOGAF is only a framework, you can perfectly decide to work only with some of the steps of that development cycle. The extent to which you apply TOGAF will be better understood once you have completed the preliminary steps and the architecture vision (Step A in Figure 2.2). If there were only one required step...
