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An exit plan is not pessimism; it is the condition for avoiding vendor lock-in and the loss of
the ability to operate.
FIGURE 8-6: THE LIFECYCLE OF A RESPONSIBLE USE
What to notice: Seven connected stages from registration to retirement, with decision gates
that prevent moving on without evidence proportionate to the level of risk.
Source: Prepared by the author, drawing on established risk management and impact
assessment guidance [2][4].
TABLE 8-6: DECISION GATES ACROSS THE LIFECYCLE
Gate The question it settles Evidence required to pass
Is this a real problem worth A described problem, an owner, and an
Registration
solving? expected outcome.
Impact Who could be harmed, and Affected groups, harm scenarios, and
assessment how? named controls.
Pre-release Does it work well enough Acceptance results on representative
testing for this use? and edge cases.
Does it hold in real Measured indicators and a documented
Pilot
conditions? rollback.
Under what scope may it Stated conditions, limits, and a decision
Approval
operate? owner.
Change Has something material Re-tested results after an update or a
review shifted? new purpose.
Revoked access, retained records, and a
Retirement How do we stop it safely?
replacement plan.
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