The ADM: Preliminary Phase and Architecture Vision
The Preliminary Phase for organizational preparation, and Phase A for establishing the architecture vision, scope, and stakeholder engagement.
This topic covers the first stages of the Architecture Development Method. The Preliminary Phase prepares the organization for successful architecture projects by defining the architecture framework, principles, and tools, establishing the Architecture Capability, and tailoring the TOGAF framework. Phase A: Architecture Vision sets the scope, constraints, and expectations of the architecture engagement, identifies stakeholders, creates the Architecture Vision, validates the business context, and produces the Statement of Architecture Work. Together these phases establish the foundation for all subsequent ADM work.
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The TOGAF ADM (Architecture Development Method) consists of several phases. The Preliminary Phase and Architecture Vision phase are foundational components that establish the groundwork for enterprise architecture development.
The Preliminary Phase is the initial stage where organizations prepare for architecture work. It focuses on establishing the architecture function within the enterprise, including defining the scope of architecture work, identifying stakeholders, securing executive sponsorship, and establishing governance structures. Key activities include identifying which business units and IT functions will be involved, defining the architecture capability maturity level, and developing an architecture roadmap. This phase ensures organizational readiness and creates the framework within which architecture activities will be conducted.
The Architecture Vision phase follows and establishes the business context and vision for the architecture engagement. This phase involves working closely with stakeholders to define the problem statement, identify business drivers, and articulate desired outcomes. Key deliverables include the Architecture Vision document, which describes the high-level vision for how the enterprise will evolve. Stakeholders are identified and their concerns documented. The phase produces the Statement of Architecture Work, which formally authorizes the architecture project and defines its scope, objectives, and constraints.
Both phases emphasize stakeholder engagement and alignment. They establish clear communication channels between business and IT leadership. The Preliminary Phase ensures the organization is ready to undertake architecture work, while the Architecture Vision phase focuses on defining what needs to be achieved. Together, these phases create a solid foundation by securing commitment, defining scope, and establishing a clear vision that guides subsequent ADM phases. Success in these initial phases is critical for ensuring that architecture work remains aligned with business objectives and maintains stakeholder support throughout the engagement.The TOGAF ADM (Architecture Development Method) consists of several phases. The Preliminary Phase and Architecture Vision phase are foundational components that establish the groundwork for enterprise architecture development.
The Preliminary Phase is the initial stage where organizations prepare …