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Phase A - Architecture Vision (What Inputs (Request for Arch. Work, Biz.…
Phase A -
Architecture Vision
What Objectives
Develop a high-level Arch. Vision
of the capabilities and Biz value to be delivered
Obtain Statement of Arch. Work (SAW)
which defines a program of work to develop and deploy Arch. outlined in this stage
Identified "Scope" and "Transformation" Risk will become part of "deliverable"
Two Types of Outputs
Artifact
Arch. Vision Document
Communication Plan
Value Chain Diagram
Delivarable
SAW
What Approach
Scoping
What is "In" and "Out" of the Arch. Work
Constraints (like Rules of the Game)
Defined by Biz Principles, Goals and Drivers
From Preliminary Phase
Create Arch. Vision Document contains:
Clarify and agree purpose of Arch.
Demo how it will be achieved
HLD of Baseline and Target Archs.
Understand emerging technologies and potential impact
Use of Biz Models and Biz. Scenario Techniques to develop Arch. :check:
What Inputs
Request for Arch. Work
Biz. Principles, goals and drivers
Org. Model for Ent. Arch.
Tailored Arch. Framework with Arch. Principles
Updated/Populated Arch. Repository
What Steps
Split in 3 Stages
Steps 1 to 6 - Scope Definition
Establish Arch. Project
Identify
Stakeholders
Concerns
Biz. Requirementd
Confirm
Biz. Goals
Drivers
Constraints
Evaluate Capabilities
Assess readiness of Biz. Transformation
Define Scope
Steps 7 & 8 - Develop Vision
Confirm
Arch. Principles
Biz. Principles
Develop Arch. Vision
Steps 9 to 11 - Develop SAW
Define Target Arch. value Propositions
KPIs
Identify
Biz. Transformation Risks
Mitigation activities for those risks
Develop Statement of Arch. Work
Secure approval
What Output
Stakeholder Map
Stakeholder Power and Interest Matrix
Communication Plan