A method for developing your enterprise architecture

The Architecture Development Method – often referred to by its abbreviation as the ADM – is a detailed step-by-step process for developing or changing an enterprise architecture

The ADM is right at the heart of TOGAF®, in part II of the documentation. Much of the TOGAF documentation covers the ADM, and everything else in TOGAF can be mapped back to the ADM.


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The Preliminary Phase

The main objectives of the Preliminary Phase are to determine and establish the Architecture Capability desired by the organization.

The Preliminary Phase makes sure there is a well-defined Request for Architecture Work, and that the organization – and Enterprise Architecture team in particular – have everything in place to be able to fulfil that request.

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The Preliminary Phase

Requirements Management

The Requirements Management Phase is central to the ADM – which is why it is shown at the center of the ADM crop circle diagram. This Phase describes a process for Requirements Management, and how that process links to the other phases of the ADM.

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The rest of the Phases are arranged in the development cycle to show the ongoing nature of enterprise architectural change.

The TOGAF ADM sets out a recommended sequence for the various phases and steps involved in developing an architecture. Even when an EA team isn’t using the ADM it is likely to follow a similar process to that outlined in the ADM.

As with other TOGAF documentation, you should always adapt the ADM to meet your exact needs.

Phase A
Ongoing nature of ADM

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