information technology architecture. TOGAF is a high-level approach to design. It is typically
modeled at four levels: Business, Application, Data, and Technology. It relies heavily on
modularization, standardization, and already existing, proven technologies and products.
TOGAF was developed starting 1995 by The Open Group, based on DoD's TAFIM. As of 2016,
The Open Group claims that TOGAF is employed by 80% of Global 50 companies and 60% of
Fortune 500 companies.
Members of the Open Group Standard are, for example, Shell, Boeing, Apple Inc., Honeywell
International Inc., and many more.
The TOGAF Architecture Development Method (ADM)
The ADM is iterative, over the whole process, between phases, and within phases (see
the TOGAF Standard - ADM Techniques)For each iteration of the ADM, a fresh decision must
be taken as to provide the following:
●The breadth of coverage of the enterprise to be defined
●The level of detail to be defined
●The extent of the time period aimed at, including the number and extent of any
intermediate time periods
●The architectural assets to be leveraged, including:
-Assets created in previous iterations of the ADM cycle within the enterprise
-Assets available elsewhere in the industry (other frameworks, systems models, vertical
industry models, and so on)
●These decisions should be based on a practical assessment of resource and competence
availability, and the value that can realistically be expected to accrue to the enterprise
from the chosen scope of the architecture work
●As a generic method, the ADM is intended to be used by enterprises in a wide variety of
different geographies and applied in different vertical sectors/industry types
Figure 9: Architecture Development Method - The TOGAF Architecture Development Method (ADM)
Architecture Development Method - Architecture Vision
Architecture Vision describes and defines the following:
Lesson: Tailoring the TOGAF Architecture Development Method
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[email protected]