Migration criteria and exit conditions
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
plan a decomposition path that can stop or reverse.
Planned topics
- Incremental approaches: strangler pattern, branch by abstraction, extract the data last or first with care.
- Define exit criteria: what success looks like and what failure triggers rollback.
- Keep the old path until the new one is proven.
- Measure benefit at each stage and be ready to stop.
Draft outline details
Demonstration
a staged plan with criteria per stage: module boundary enforced, data separated, service deployed, old path removed.
Check your understanding
Why define exit conditions?
Show answer
So the migration can stop or revert when evidence says it is not working.
Practice
Apply this lesson with the module's lab, exercises and quiz.
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