Architecture in practice
Multi-region service
Compare two regional paths. This is a design example, not a Flowboard residency promise.

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The labels explain the system to a reader. Stable identifiers connect the nodes to the flows. Keep a copy of this source, then adjust it to match your own architecture.
# Multi-region service
- Traffic router {#router type=service x=80 y=230}
- Region A API {#a type=service x=410 y=100}
- Region B API {#b type=service x=410 y=390}
- Region A data {#da type=database x=740 y=100}
- Region B data {#db type=database x=740 y=390}
## Flows
- router -> a {#primary label="primary path"}
- router -> b {#secondary label="secondary path"}
- a -> da {#read-a label="local data"}
- b -> db {#read-b label="local data"}
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