flowchart TB
subgraph l1["Experience"]
direction LR
e1["Web"] --- e2["Mobile"] --- e3["Partner Portal"]
end
subgraph l2["Channel & API"]
direction LR
c1["API Gateway"] --- c2["BFF"] --- c3["Event Ingress"]
end
subgraph l3["Business Services"]
direction LR
b1["Ordering"] --- b2["Pricing"] --- b3["Fulfilment"] --- b4["Billing"]
end
subgraph l4["Integration"]
direction LR
i1["Message Broker"] --- i2["Adapters"] --- i3["File Transfer"]
end
subgraph l5["Data"]
direction LR
d1["Operational Stores"] --- d2["Analytical Platform"] --- d3["Cache"]
end
subgraph l6["Infrastructure"]
direction LR
f1["Compute"] --- f2["Network"] --- f3["Storage"]
end
l1 --> l2 --> l3 --> l4 --> l5 --> l6
sec["Security<br/>&<br/>Identity"]
ops["Observability<br/>&<br/>Operations"]
Structural View
Layered Architecture Diagram
The solution as horizontal capability tiers with cross-cutting concerns as vertical bars — the picture executives expect and the one most often drawn without meaning.
Reference Models
Design