Principles of evidence based enterprise architecture

These are a set of principles specifically for evidence based enterprise architecture and would follow on from those I have described in the earlier post on evidence based design.

  1. An organised enterprise architecture framework and repository must be used to provide a model of how the organisation defines enterprise architecture and a store for enterprise architecture artefacts.
  2. The enterprise architecture framework must define the development method used in practice and all of the artefacts used in the process should include evidence where appropriate.
  3. The production of all enterprise architecture artefacts must follow a controlled authoring and management process. All artefacts must have appropriate metadata and be stored in a document management system. There must also be a review process to ensure consultation and validation of content and evidence.
  4. The production of enterprise architecture documents should adopt a formal content authoring framework such as DITA – Darwin Information Typing Architecture (OASIS standard) to help structure the content and allow for reuse.
  5. A controlled vocabulary should be used to minimise ambiguity and support information relationships within the repository. The Universal Data Element Framework (UDEF) should be considered as a way to classify and categorise terms used in documentation.
  6. There must be a controlled evidence model to define how to classify evidence and evidence value. The evidence model must at least be able to define the following evidence attributes:
    – Value 
    – Sources
    – Credibility
    – Expertise
    – Impartiality
  7. All architects should be trained on how to perform evidence research, evidence analysis and how to incorporate evidence where appropriate into artefacts to support any hypotheses, propositions and recommendations.
  8. Any evidence used in an artefact must be clearly marked and identifiable to help traceability, tracking and analysis in the future.

These are just a few I have identified and I will probably add to this list and define each one in more detail in future posts.

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