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Enabling Processes

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Align, Plan and Organise<br />

66<br />

: ENABLING PROCESSES<br />

APO03 Process Practices, Inputs/Outputs and Activities (cont.)<br />

APO03.02 Activities<br />

1. Maintain an architecture repository containing standards, reusable components, modelling artefacts, relationships, dependencies and views to enable<br />

uniformity of architectural organisation and maintenance.<br />

2. Select reference viewpoints from the architecture repository that will enable the architect to demonstrate how stakeholder concerns are being<br />

addressed in the architecture.<br />

3. For each viewpoint, select the models needed to support the specific view required, using selected tools or methods and the appropriate level<br />

of decomposition.<br />

4. Develop baseline architectural domain descriptions, using the scope and level of detail necessary to support the target architecture and, to the extent<br />

possible, identifying relevant architecture building blocks from the architecture repository.<br />

5. Maintain a process architecture model as part of the baseline and target domain descriptions. Standardise the descriptions and documentation of<br />

processes. Define the roles and responsibilities of the process decision makers, process owner, process users, process team and any other process<br />

stakeholders who should be involved.<br />

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optimal use of information for decision making. Maintain an enterprise data dictionary that promotes a common understanding and a classification<br />

scheme that includes details about data ownership, definition of appropriate security levels, and data retention and destruction requirements.<br />

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and define new or modified components that must be developed for the target architecture. Resolve potential impacts such as incompatibilities,<br />

inconsistencies or conflicts within the envisioned architecture.<br />

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statement of architecture work.<br />

9. Finalise business, information, data, applications and technology domain architectures, and create an architecture definition document.<br />

Management Practice Inputs Outputs<br />

APO03.03 Select opportunities and solutions.<br />

From Description Description To<br />

Rationalise the gaps between baseline and target<br />

APO02.03 Proposed enterprise High-level implementation APO02.05<br />

architectures, taking both business and technical<br />

architecture changes and migration strategy<br />

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IT-enabled investment programmes to ensure that the<br />

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architectural initiatives are aligned with and enable<br />

these initiatives as part of overall enterprise change.<br />

Make this a collaborative effort with key enterprise<br />

stakeholders from business and IT to assess<br />

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identify opportunities, solutions and all<br />

implementation constraints.<br />

Activities<br />

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2. Identify any enterprise drivers that would constrain the sequence of implementation, including a review of the enterprise and line of business<br />

strategic and business plans, and consideration of the current enterprise architecture maturity.<br />

3. Review and consolidate the gap analysis results between the baseline and target architectures and assess their implications with respect to potential<br />

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4. Assess the requirements, gaps, solutions and factors to identify a minimal set of functional requirements whose integration into work packages<br />

would lead to a more efficient and effective implementation of the target architecture.<br />

5. Reconcile the consolidated requirements with potential solutions.<br />

6. Refine the initial dependencies, ensuring that any constraints on the implementation and migration plans are identified, and consolidate them into a<br />

dependency analysis report.<br />

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8. Formulate a high-level implementation and migration strategy that will guide the target architecture implementation and structure the transition<br />

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and approach.<br />

10. Develop a series of transition architectures as necessary where the scope of change required to realise the target architecture requires an<br />

incremental approach.<br />

Personal Copy of: Mr. Dong Hong Wang

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