Ravi Sir's Cards › AWS
Central SFN or event chain?
This comparison card contrasts Central SFN or event chain. Orchestrated saga: Step Functions owns steps, state, Catch, compensate. Choreography saga: Services advance via published events and local undo. The card pairs Orchestrated saga with explicit control, and Choreography saga with loose coupling.
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What this card says
Central SFN or event chain?
Orchestrated saga
Step Functions owns steps, state, Catch, compensate.
Choreography saga
Services advance via published events and local undo.
Key points
Money, inventory reserve, refunds.
Loosely coupled side workflows.
Example
Express/Standard SFN.
Use when
Explicit control.
Loose coupling.