Chapter 31. TOGAF ADM Guide-Through

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  4. 7. Phase D – Technology Architecture
  5. Architecture Requirements Specification

Architecture Requirements Specification

Architecture Requirements Specification is one of the TOGAF deliverables you can create with the TOGAF tool.

The Architecture Requirements Specification provides a set of quantitative statements that outline what an implementation project must do in order to comply with the architecture. An Architecture Requirements Specification will typically form a major component of an implementation contract or contract for more detailed Architecture Definition.

As mentioned above, the Architecture Requirements Specification is a companion to the Architecture Definition Document, with a complementary objective:

  • The Architecture Definition Document provides a qualitative view of the solution and aims to communicate the intent of the architect.
  • The Architecture Requirements Specification provides a quantitative view of the solution, stating measurable criteria that must be met during the implementation of the architecture.

Step 1: Document Technology Domain Requirements

Document technology requirements, and make necessary updates on business, data and application requirements

The Architecture Requirements Specification provides a set of quantitative statements that outline what an implementation project must do in order to comply with the architecture. Fill in the form of the architecture requirements by documenting the technology requirements identified in this phase, and the constraints, assumptions and success measures associated with the requirements. You should also review and make necessary updates to those business, data and application domain requirements identified in phase B and C.

TOGAF Architecture Requirements