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TOGAF - ADM Guidelines & Techniques

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Patrice Kerremans

on 4 January 2013

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Transcript of TOGAF - ADM Guidelines & Techniques

TECHNIQUES Guidelines are for adapting the ADM process

Techniques are for applying the ADM, i.e. for Architecture Development Techniques:
Architecture Principles
Stakeholder Management
Architecture Patterns
Business Scenarios
Gap Analysis
Migration Planning Techniques
Interoperability Requirements
Business Transformation Readiness Assessment
Risk Management
Capability-Based Planning Architecture Principles
General set of rules and standards for the architecture being developed
They inform and support the way in which an organization sets about fulfilling its mission
Output from: P,A,B,C,D
Input for: P,A,B,C,D,E,F,G,H
Record the following for each principle:
Name: short name
Statement: description of the rule. Succinct and unambiguous
Rationale: the reason why this principle is in place. Making its intent clearer and helping to uphold the 'spirit of the guideline' rather than the letter.
Implication(s): what is the impact of the principle on the organization on the rest of the architecture... Business Scenarios
A method used to help identify the business requirements that the architecture must adhere to.
Used most prominently during the initial stages of Architecture Vision Phase
Also often used during phase B RUCCS:
Stable A good scenario is SMART:
Specific: defines what must be done
Measurable: clear metrics for success (think KPIs)
Actionable: must provide a basis for a solution
Realistic: the problem must be solvable in the real world
Time-Bound: states when the opportunity expires GAP Analysis
to identify differences between baseline and target architectures.
to validate the target architecture and these differences; were they purposefully omitted, were they forgotten, have they not yet been defined?
Example: Interoperability
description of how information is shared between stakeholders
This is a concern throughout the ADM cycle
Four degrees of interoperability:
unstructured data exchange: free text found in operational estimates, analysis, and papers.
structured data exchange: data intended for manual and/or automated handling, but requires manual compilation, receipt, and/or message dispatch.
seamless sharing of data: involves the automated sharing of data amongst systems based on a common exchange model
seamless sharing of information: extension of Degree 3 to the universal interpretation of information through data processing based on co-operating applications
Example 1: inter-stakeholder Example 2: Inter-system Business Transformation Readiness Assessment
assesses the readiness of an organization to adopt the required changes
initial assessment is done in Phase A.
dealt with in Phases F and G The recommended activities in an assessment of an organization’s readiness to address business transformation are:
Determine the readiness factors that will impact the organization
Present the readiness factors using maturity models
Assess the readiness factors, including determination of readiness factor ratings
Assess the risks for each readiness factor and identify improvement actions to mitigate the risk
Work these actions into Phase E and F Implementation and Migration Plan Risk management
2 levels of risks
Initial Level of Risk: prior to determining and implementing mitigation
Residual Level of Risk: after implementing mitigating actions
Risk Management Process is (ClIdInMiMo):
Classification of Risks
Identification of Risks
Initial Risk Assessment
Mitigation and Residual Risk assessment
Monitoring Risks
Risks identified in Phase A as part of BTRA (Business Transformation Readiness Assessment)
In Phase G (Impl. Govnce) risk monitoring is done
Phase G might identify new critical risks that might require another full or partial ADM cycle Example: Classification and Assessment Capability based planning
technique to plan, engineer, deliver strategic business capabilities
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