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Keeping the shipped system working and secure: field issue handling, software and firmware updates, security advisories, component changes and obsolescence, cost reductions and periodic reviews of the product's health against its plan.
Where this stage sits
This stage with its neighbours. Each row is a discipline active here, shaded by how mature its work is by the end of each stage.
Key0.0Planned0.3Outlined0.5Draft0.8Feature complete1.0CompleteFreezeFrozenFaded block: still at the step shown before it, Held below Complete or Maintained under change control once complete or frozenFreeze or sign-off pointMilestone for one item; the rest of the work carries onMilestone gateTRTechnical readiness review (TR): a gate that checks the technology is ready before the next commitment.You are here: Field Support, Updates & SustainingAI impactDDisruption (red)AAugmentation (blue)OOpportunity (green)How AI is changing the workWhat the steps meanWhat the codes mean
Production Validation & Release: maturity 1.0, Complete. Release approved and the system on sale; the product line is then managed through lifecycle reviews to the end of support.
Field Support, Updates & Sustaining: maturity 1.0, Complete. Release approved and the system on sale; the product line is then managed through lifecycle reviews to the end of support.
End of Life & End of Support: maturity 1.0, Complete. Release approved and the system on sale; the product line is then managed through lifecycle reviews to the end of support.A
Production Validation & Release: maturity Freeze, Frozen. Board layout frozen for the validation build and production; a change needs an approved change request.
Production Validation & Release: maturity 1.0, Complete. Design validation complete, with every requirement traced to a passed test or an approved exception; production validation follows on the same plan.A
Field Support, Updates & Sustaining: maturity 1.0, Complete. Security testing passed on the release candidate; vulnerability response then runs from release to the end of support.A
Production Validation & Release: maturity 1.0, Complete. Production line validated: production test released, suppliers qualified and the production bill of materials released.A
Field Support, Updates & Sustaining: maturity 1.0, Complete. Production line validated: production test released, suppliers qualified and the production bill of materials released.A
End of Life & End of Support: maturity 1.0, Complete. Production line validated: production test released, suppliers qualified and the production bill of materials released.
Production Validation & Release: maturity 1.0, Complete. Service and support ready at release, then running through field updates and reviews to the end of support.A
Field Support, Updates & Sustaining: maturity 1.0, Complete. Service and support ready at release, then running through field updates and reviews to the end of support.A
End of Life & End of Support: maturity 1.0, Complete. Service and support ready at release, then running through field updates and reviews to the end of support.
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