Phase B: Business Architecture

4 important questions on Phase B: Business Architecture

What are the objectives of Phase B?

  • To develop the Target Business Architecture that describes how the enterprise needs to operate to achieve the business goals, aned respond to strategic drivers set out in the Architecture Vision, in a way that adresses the Request for Architecture Work and stakeholder concerns
  • To identify candidate Architecture Roadmap components based upon gaps between Baseline and Target Business Architectures

On what is the level of detail adressed in phase B?

On the scope and goals of the overall architecture effort.

New models characterizing the needs of the business will need to be defined in detail during phase B

What are examples of modeling techniques?

  • Activity Models/Business Process Models
  • Use Case Models
  • Class Models


  • *The Node Connectivity Diagram
  • Information Exchange Matrix
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What is relevant Business Architecture resources are available in phase B from the Architecture Repository ?

  • Industry reference models
    • The Object Management Group (OMG) has a number of vertical Domain Task Forces developing industry reference models
    • departments and agencies in different countries have reference models and frameworks mandated for use,
    • the IT4IT Reference Architecture provides
  • Enterprise-specific Business Architecture views
  • Enterprise-specific building blocks
  • Applicable standards

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