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T21Scenario-HeavyHigh Frequency

ADM Guidelines & Techniques

4 Parts
Every architecture principle
Power × Interest
Stakeholder analysis
Initial vs Residual
Risk levels
People·Process·Material
Capability dimensions
💡 The Big Idea

The ADM Techniques are a toolbox of methods used across many phases: architecture principles, stakeholder management, gap analysis, migration planning techniques, interoperability, business transformation readiness, risk management, and capability-based planning.

These are reusable methods the ADM phases call on — not phases themselves. The same technique (e.g. gap analysis) is used in several phases.

  • ▸🧰 A shared toolbox — phases reference techniques, techniques are not phases
  • ▸🔁 Most techniques are used in multiple phases (gap analysis in B/C/D/E; risk in A→G)
  • ▸📌 High-frequency exam techniques: architecture principles, stakeholder management, risk, readiness, capability-based planning

Browse the techniques catalog, the anatomy of an architecture principle, and the risk / readiness methods.

The ADM Techniques chapter is a toolbox of methods used across many phases. Click each to expand.

Architecture Principles▾

General rules and guidelines that inform and support how an organization sets about fulfilling its mission. Each principle has four parts: Name, Statement, Rationale, Implications.

⚡ Established in the Preliminary Phase. A good set is: Understandable, Robust, Complete, Consistent, Stable.
Stakeholder Management▾

Identify stakeholders, analyse their power and interest, and plan engagement. Uses a stakeholder map / power-grid and a Stakeholder Catalog.

⚡ Power vs Interest grid: high power + high interest = manage closely (key players).
Architecture Patterns▾

Reusable, proven ways of structuring architecture to solve recurring problems — a way to reuse building-block arrangements.

⚡ Patterns are reusable solutions; they sit in the Reference Library.
Gap Analysis▾

Compare Baseline vs Target to find what is missing (needs to be added), what is eliminated (intentionally removed), and what carries over.

⚡ A blank cell that is not an intentional elimination = a gap to fill. Used in Phases B, C, D, E.
Migration Planning Techniques▾

A toolkit for Phases E/F: Implementation Factor Assessment & Deduction matrix, Consolidated Gaps/Solutions/Dependencies matrix, Architecture Definition Increments Table, Transition Architecture State Evolution Table, Business Value Assessment.

⚡ These support prioritising and sequencing work packages and Transition Architectures.
Interoperability Requirements▾

Define the degree to which information and services are to be shared — operational, information, and technical interoperability.

⚡ Interoperability is refined across the ADM; actual capability is confirmed in Phases E/F.
Business Transformation Readiness Assessment▾

Assesses whether the organization is ready and able to undergo the change. Evaluates readiness factors (e.g. vision, desire/willingness/resolve, need, business case, funding, sponsorship, governance, accountability, IT capacity, enterprise capacity to execute).

⚡ Draws on the BTEP method. Mostly used in Phases A–F; readiness factors feed the risk assessment.
Risk Management▾

Identify, classify and mitigate risks. Initial level of risk = before mitigation; Residual level of risk = after mitigation. Risk = Effect × Frequency, classified Extremely High / High / Moderate / Low.

⚡ Risk is identified early (Phase A) and tracked through to Phase G. Residual risk must be accepted by the sponsor.
Capability-Based Planning▾

Plans the business outcome (a capability) rather than a system. A capability has dimensions — people, process, material/technology — and is delivered in capability increments over Transition Architectures.

⚡ Capability increments map to Transition Architectures in the roadmap.

General rules and guidelines that inform how the organization fulfils its mission. Defined in the Preliminary Phase.

  • ▸🏷️ Four components each: Name, Statement, Rationale, Implications
  • ▸✅ Qualities of a good SET: Understandable, Robust, Complete, Consistent, Stable
  • ▸🔤 The Name should not reference specific technology; the Rationale is stated in business terms
  • ▸🪜 Architecture Principles support broader Enterprise Principles

A technique for identifying the right stakeholders and engaging them appropriately.

  • ▸🔍 Identify stakeholders, then analyse their POWER and INTEREST
  • ▸📊 Power/Interest grid (BoK Figure 3-2): high power + high interest = "Key Players"; high power + low interest = "Keep Satisfied"; low power + high interest = "Keep Informed"; low power + low interest = "Minimal Effort"
  • ▸📋 Produces a Stakeholder Map and Stakeholder Catalog
  • ▸🎯 Drives which views and viewpoints the architecture must provide

Two linked techniques for judging whether change is safe and achievable:

  • ▸⚠️ Risk Management: identify → classify (Effect × Frequency: Extremely High / High / Moderate / Low) → mitigate → monitor
  • ▸🔻 Initial level of risk = before mitigation; Residual level of risk = after mitigation, and must be accepted by the sponsor
  • ▸📈 Business Transformation Readiness Assessment: rates readiness factors (vision, desire/willingness/resolve, need, business case, funding, sponsorship, governance, accountability, capacity to execute)
  • ▸🔗 Low-readiness factors become risks and feed the Implementation & Migration Plan

Plan the business OUTCOME (a capability), not the system.

  • ▸🎯 A business capability has dimensions: people, process, and material/technology
  • ▸📦 Capabilities are delivered in capability increments
  • ▸🗺️ Capability increments map to Transition Architectures in the Architecture Roadmap
  • ▸💡 Keeps planning focused on "what the business can do" rather than "what we will build"