A 99.9% feature and a 99.99% critical service cannot rely on the same single dependency chain.
REQUIREMENTSENTERPRISE AI ARCHITECTURE
Architecture from Availability Targets
Availability requirements determine redundancy, failover, provider diversity and degraded-mode design.
A critical assistant uses dual model routes and replicated retrieval while a low-tier tool accepts provider downtime.
What dependency availability is required to achieve the product SLO?
REMEMBERAvailability targets determine how much redundancy the architecture needs.
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