Without a budget, every dependency can individually be 'fast enough' while the full request is slow.
REQUIREMENTSENTERPRISE AI ARCHITECTURE
Architecture from the Latency Budget
A latency budget allocates acceptable end-to-end response time across retrieval, inference, tools, validation and network stages.
A 3-second interactive budget reserves 500ms for retrieval, 1.8s for model work and the rest for gateway and validation.
Which stages consume the largest part of the user latency target?
REMEMBERArchitect the critical path against one end-to-end budget.
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