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Modelling Configuration Management Investigation. HL7UK Technical Committee Charlie McCay Joseph Waller Mike Odling-Smee 9 th December 2008. Approach. Use cases / examples Requirements / governance / contractual Technical / publishing / wire formats. Requirements. Keep it simple

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modelling configuration management investigation

Modelling Configuration Management Investigation

HL7UK Technical Committee

Charlie McCay

Joseph Waller

Mike Odling-Smee

9th December 2008

approach
Approach
  • Use cases / examples
  • Requirements / governance / contractual
  • Technical / publishing / wire formats

Modelling Configuration Management Investigation

requirements
Requirements
  • Keep it simple
  • Some change is unavoidable
  • Traceable, testable change
  • Users work with “compliance modules” not domains
  • Live build baseline specifications
  • Support for phased deployment
    • One version in the wild is not practical
  • Consistent with HL7 versioning strategy

Modelling Configuration Management Investigation

technical
Technical
  • Units of change…
  • Modular MIMs…
  • Matrix for specifying configurability…
  • Extended version manifest…
  • Impacts…

Modelling Configuration Management Investigation

units of change
Units of change
  • Technical configuration Items
    • ValueSets, Schemas, Templates
    • Tightly defined with identity criteria and versioning rules
  • Domain Specific Configuration Items
    • Prescription Exemption Codes
    • Dosage expression
  • Configuration Item relationships
    • Uses, extends, constrains, etc

Modelling Configuration Management Investigation

modular mim
Modular MIM
  • Baseline specifications includes
    • Compliance documents, MIM, EIS parts, etc
    • All specification documentation in one place
  • Compliance Module and Domain view
    • Built using dependency relationships

Modelling Configuration Management Investigation

matrix for specifying configurability
Matrix for specifying configurability
  • Class of change against system (type)
  • Setting expectations of change
  • Document current flexibility
  • Basis for improved commercials

Modelling Configuration Management Investigation

publication
Publication
  • Annotated change reports

What would be useful?

  • What about transforms?
    • Mappings are useful
    • Needs business rules and vocabulary
    • Transforms ARE being done under the hood in all implementations

Modelling Configuration Management Investigation

extended version manifest
Extended version manifest
  • Reduce dependency on just InteractionId
  • instances
    • Identifier(s) or inline manifest
  • end points, applications
    • More detailed version support assertions

Modelling Configuration Management Investigation

impacts
Impacts
  • Design Process
    • improved change management process
    • Convergence with LRA
  • Implementations
    • Support introduction of minor change
    • Fallback processing rules
    • Improved commercials for change

Modelling Configuration Management Investigation

thank you
Thank you

Charlie McCay

Ramsey Systems Ltd.

www.ramseysystems.co.uk

charlie@RamseySystems.co.uk

Joseph Waller & Mike Odling-Smee

www.xml-solutions.com

joseph@xml-solutions.com; mike@xml-solutions.com

Modelling Configuration Management Investigation

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