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D5 – Lifecycle & Operational Sustainability

Purpose of the Domain​

D5 ensures that digital clinical infrastructure can be operated in a stable, maintainable, and regulatorily sustainable manner across its entire lifecycle.

Digital systems are not one-time projects.
They create enduring operator responsibility, dependencies, and long-term resource commitments.

This domain operationalizes Principle P6 – Sustainable Operational Capability Across the Lifecycle – at the organizational level.

Core Governance Question​

Is the organization structurally capable of operating digital systems responsibly and sustainably across their entire lifecycle?

D5 does not address technical operations alone.
It addresses structural sustainability.

Problem Context​

Digital systems are often introduced with a strong project focus:

  • Investment and go-live dominate attention
  • Operational requirements are considered afterwards
  • Resources for maintenance and evolution remain unclear
  • Vendor dependencies are underestimated

Typical consequences include:

  • Accumulating technical debt
  • Undefined update strategies
  • Missing exit options
  • Regulatory uncertainty
  • Operational overload

Without lifecycle governance, infrastructure becomes fragile.

Structural Requirements​

A mature expression of D5 requires:

  • Transparent lifecycle planning before procurement
  • Clear operational and maintenance responsibility
  • Realistic resource planning for updates, migration, and replacement
  • Documented vendor and dependency transparency
  • Structured project-to-operation transitions
  • Consideration of regulatory operator obligations throughout the lifecycle

Operational sustainability is not a technical detail.
It is part of the leadership architecture.

Lifecycle sustainability includes:

  • controlled introduction
  • stable operation
  • managed evolution
  • responsible retirement

Relationship to Other Domains​

  • D1 defines why a system is introduced.
  • D2 structures its architectural embedding.
  • D3 clarifies responsibility structures.
  • D4 evaluates patient-relevant risks.
  • D5 secures long-term structural sustainability.
  • D6 governs controlled evolution.

D5 is the stability domain within the overall architecture.

Typical Misconceptions​

  • “After go-live, the project is complete.”
  • “The manufacturer automatically manages updates and maintenance.”
  • “Operations are purely a technical task.”
  • “If the system runs, no action is required.”

Stability does not arise by coincidence.
It results from structured lifecycle governance.

Indicators of Structural Stability​

D5 is structurally stable when:

  • Lifecycle considerations are clarified prior to procurement
  • Operational resources are realistically planned
  • Update and migration strategies are documented
  • Project-to-operation transitions are structured
  • Obsolescence and vendor risks are actively managed

D5 is weakly developed when:

  • Operations are reactive
  • Maintenance depends on individuals
  • Obsolescence is unmanaged
  • Regulatory obligations are addressed only situationally

D5 ensures that digital clinical infrastructure is not only introduced,
but structurally sustained over time.