MO-006e — Infrastructure Environment Retirement [Dido Solutions, Inc Wiki]

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====== MO-006e — Infrastructure Environment Retirement ======

[[dido:02-crusible:99-annexes:annex-c-requirements:01-mission-objectives:mo-006:start|Go to MO-006 — Infrastructure Lifecycle Management]]

===== Statement =====

[[dido:99_annexes:annex-b-terms-and-definitions:c:crucible|Crucible]] SHALL transition an [[dido:99_annexes:annex-b-terms-and-definitions:i:infrastructure_environment|Infrastructure Environment]] to [[dido:99_annexes:annex-b-terms-and-definitions:r:retirement|Retirement]] when its Retirement conditions are satisfied.

===== Derived From =====

This requirement derives from:

  * [[dido:02-crusible:99-annexes:annex-c-requirements:01-mission-objectives:mo-006:start|MO-006 — Infrastructure Lifecycle Management]]

The Original Requirement states:

> //The system SHALL support infrastructure lifecycle management from initial deployment through retirement.//[[dido:02-crusible:99-annexes:annex-b:cr-001|[C1]]]

MO-006e preserves the terminal lifecycle intent expressed by **through retirement** in the Original Requirement by requiring Crucible to transition an Infrastructure Environment to Retirement after its Retirement conditions are satisfied.

The separate requirements derived from MO-006 address:

  * [[dido:02-crusible:99-annexes:annex-c-requirements:01-mission-objectives:mo-006:mo-006a|MO-006a — Operational Lifecycle Association]]
  * [[dido:02-crusible:99-annexes:annex-c-requirements:01-mission-objectives:mo-006:mo-006b|MO-006b — Infrastructure Lifecycle Initiation]]
  * [[dido:02-crusible:99-annexes:annex-c-requirements:01-mission-objectives:mo-006:mo-006c|MO-006c — Infrastructure Lifecycle State Recording]]
  * [[dido:02-crusible:99-annexes:annex-c-requirements:01-mission-objectives:mo-006:mo-006d|MO-006d — Infrastructure Lifecycle Transition Execution]]

===== Rationale =====

[[dido:99_annexes:annex-b-terms-and-definitions:r:retirement|Retirement]] represents the terminal lifecycle state of an [[dido:99_annexes:annex-b-terms-and-definitions:i:infrastructure_environment|Infrastructure Environment]] when its associated [[dido:99_annexes:annex-b-terms-and-definitions:o:operational_lifecycle|Operational Lifecycle]] revision defines Retirement as a terminal state.

Retirement conditions can include:

  * Authorization by the responsible authority
  * Completion of required operational activities
  * Resolution or disposition of outstanding failures and exceptions
  * Preservation of required configuration records
  * Preservation of required deployment records
  * Preservation of required security records
  * Preservation of required compliance records
  * Preservation of required [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]]
  * Preservation of required [[dido:99_annexes:annex-b-terms-and-definitions:p:provenance|Provenance]]
  * Preservation of required [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]]
  * Completion of required data disposition
  * Completion of required Artifact disposition
  * Completion of required resource disposition
  * Revocation of credentials and access
  * Termination of services
  * Completion of archival activities

The associated Operational Lifecycle revision defines the Retirement conditions for the Infrastructure Environment.

Infrastructure Environment Retirement supports:

  * Controlled termination of infrastructure use
  * Prevention of premature Retirement
  * Completion of required preservation and disposition activities
  * Revocation of obsolete access
  * Release or disposition of infrastructure resources
  * Preservation of lifecycle history
  * Confirmation of the terminal lifecycle state

Satisfaction of the Retirement conditions permits Crucible to execute the Retirement transition. Satisfaction of those conditions does not establish successful completion of Retirement.

A failed or incomplete Retirement transition does not establish that the Infrastructure Environment entered the Retirement state. MO-006c addresses recording of the current lifecycle state after the transition attempt.

This requirement does not associate or initiate the Operational Lifecycle. MO-006a and MO-006b address those outcomes.

This requirement represents the specific Retirement transition derived from the broader lifecycle-transition behavior in MO-006d.

===== Applies To =====

This requirement applies to:

  * [[dido:99_annexes:annex-b-terms-and-definitions:c:crucible|Crucible]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:i:infrastructure_environment|Infrastructure Environments]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:o:operational_lifecycle|Operational Lifecycles]]
  * Operational Lifecycle revisions
  * [[dido:99_annexes:annex-b-terms-and-definitions:r:retirement|Retirement]]
  * Retirement transitions
  * Retirement conditions
  * Retirement approvals
  * Retirement authorizations
  * Retirement requests
  * Retirement results
  * Retirement records
  * Infrastructure Environment records
  * Infrastructure Deployment records
  * Configuration records
  * Security records
  * Compliance records
  * Failure records
  * Exception records
  * Data-disposition records
  * Artifact-disposition records
  * Resource-disposition records
  * Credential-revocation records
  * Service-termination records
  * Archival records
  * [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:p:provenance|Provenance]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]]

===== Verification =====

Verification confirms that:

  - The [[dido:99_annexes:annex-b-terms-and-definitions:i:infrastructure_environment|Infrastructure Environment]] is identified
  - The associated [[dido:99_annexes:annex-b-terms-and-definitions:o:operational_lifecycle|Operational Lifecycle]] identifier and revision are identified
  - The current lifecycle state is identified
  - [[dido:99_annexes:annex-b-terms-and-definitions:r:retirement|Retirement]] is a permitted target state of the associated Operational Lifecycle revision
  - The Retirement conditions are identified
  - Each Retirement condition is satisfied before the transition begins
  - [[dido:99_annexes:annex-b-terms-and-definitions:c:crucible|Crucible]] executes the Retirement transition
  - A Retirement transition with one or more unsatisfied conditions is not executed
  - The Retirement transition produces an identified result
  - The Retirement result supports recording of the resulting lifecycle state
  - A failed or incomplete Retirement transition does not produce an unsupported Retirement-state record
  - The Retirement record preserves [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] among the Infrastructure Environment, Operational Lifecycle revision, preceding lifecycle state, Retirement conditions, approvals, transition result, disposition activities, and resulting lifecycle state

===== Referenced By =====

The following pages reference this requirement:

{{backlinks>.#dido:02-crusible}}

===== Delivery Phase =====

Implemented and Verified.

===== Implementation Status =====

<todo>Assess whether the current Crucible implementation transitions an Infrastructure Environment to Retirement when its Retirement conditions are satisfied.</todo>

===== Requirement Status =====

<todo>Review and accept MO-006e as a proposed derived requirement created from the evaluation and decomposition of MO-006 in the Crucible System Requirements Specification, Version 1.1 Draft.</todo>

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===== Issues =====

The following unresolved issues affect this requirement:

<todo>Define the Retirement conditions for each Operational Lifecycle revision that permits Infrastructure Environment Retirement.</todo>

<todo>Identify the authority responsible for approving or authorizing Retirement.</todo>

<todo>Define the lifecycle state or states from which an Infrastructure Environment may transition to Retirement.</todo>

<todo>Define the completion and failure criteria for the Retirement transition.</todo>

<todo>Define the data, Artifact, resource, credential, service, and archival disposition activities required before Retirement.</todo>

<todo>Define the behavior required when one or more Retirement conditions are not satisfied.</todo>

<todo>Define the behavior required when the Retirement transition fails, is interrupted, or remains incomplete.</todo>

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===== Notes for Editors =====

This requirement page should retain the stable requirement identifier ''MO-006e''.

This page is a leaf requirement page and omits a trailing '':start'' from its namespace.

The parent MO-006 page is a non-leaf page and retains a trailing '':start'' in its namespace.

Changes to the Statement should preserve:

  * [[dido:99_annexes:annex-b-terms-and-definitions:c:crucible|Crucible]] as the responsible actor
  * The [[dido:99_annexes:annex-b-terms-and-definitions:i:infrastructure_environment|Infrastructure Environment]] as the lifecycle subject
  * [[dido:99_annexes:annex-b-terms-and-definitions:r:retirement|Retirement]] as the target lifecycle state
  * Satisfaction of the Retirement conditions before transition execution
  * An identified Retirement result

The Retirement definition should identify:

  * The Operational Lifecycle identifier
  * The Operational Lifecycle revision
  * The Retirement transition identifier
  * The lifecycle state preceding Retirement
  * The Retirement target state
  * The Retirement conditions
  * The responsible approval or authorization authority
  * The Retirement completion criteria
  * The Retirement failure criteria
  * The required data disposition
  * The required Artifact disposition
  * The required resource disposition
  * The required credential revocation
  * The required service termination
  * The required archival activities
  * The associated [[dido:99_annexes:annex-b-terms-and-definitions:p:provenance|Provenance]]
  * The associated [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]]

Material changes should receive review and should update the verification criteria, source records, and Issues section.

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