Sequencing and coexistence
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
order the work to deliver value early and limit risk.
Planned topics
- Avoid big-bang cutovers; move slices at a time.
- Strangler pattern: route some functions to the new system while the old one continues, shrinking the old over time.
- Coexistence needs data synchronization, routing, and clear system-of-record rules per entity.
- Sequence by value, risk, dependency, and learning; start with a thin, valuable slice.
Draft outline details
Demonstration
a Larkspur timeline: slice one: browsing and checkout on new platform for web; slice two: mobile; slice three: store pickup; old shop routes remaining traffic until retired.
Check your understanding
What does the strangler approach avoid?
Show answer
A risky big-bang cutover.
Practice
Apply this lesson with the module's lab, exercises and quiz.
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