Food Delivery App: Real-Time Order Routing

Data Flow Diagrams (DFD) · made in Skemio

Data flow diagram illustrating food delivery order routing from customer to kitchen, dispatch engine, and courier.

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What it shows

Customer checkouts trigger state changes across two decoupled queues.
Kitchen status events update prep times before courier assignment runs.
Spatial dispatch queries driver coordinates only when kitchen signals ready.

The takeaway

Decoupling kitchen prep from driver dispatch prevents idle courier wait times and cold food.

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