Decommissioning
On This Lesson 4 topics
This lesson is planned. The outline below lists the topics it will cover. The full lesson has not been published yet.
In this lesson
turn off the legacy path and prove it is unused.
Planned topics
- Prove no traffic: logs, metrics, or access attempts over a full business cycle.
- Stage the shutdown: block with notice, scream test where acceptable, then remove.
- Keep a data archive and rollback window for a defined period.
- Remove code, flags, dashboards, alerts, access, and cost items.
- Declare it done only when the legacy cost and risk are gone.
Draft outline details
Demonstration
Decommission checklist with owners and dates: traffic zero, notice sent, disabled, archive taken, code and infrastructure removed, flags removed, cost confirmed.
Check your understanding
How do you prove a legacy path is unused?
Show answer
Observed zero traffic over a full business cycle, and a staged shutdown.
Practice
Apply this lesson with the module's lab, exercises and quiz.
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