A government healthcare service operates an application that must keep all patient records inside the country. The country has only one cloud region available domestically, but the service has an availability target that would normally require deployment across two independent regions. The architecture team must choose between three approaches: deploy across the single domestic region with a documented manual recovery procedure for outages; deploy across the domestic region and a foreign region while excluding patient data from the foreign region; or deploy across two foreign regions with patient data left out of the cloud entirely. The most defensible primary choice is:

Question

Accepted Answer

Deploy across the domestic region and a foreign region with patient data excluded from the foreign region, since this preserves availability for the parts of the system that can legally span regions.

Answer

None of the three is acceptable, because no design that uses a cloud region can simultaneously satisfy the residency rule and the availability target under any circumstances.

Answer

Deploy across two foreign regions, because two-region availability outweighs the data residency constraint and the patient data can be handled separately on dedicated infrastructure outside any cloud region.

Answer

Deploy across the single domestic region with a documented manual recovery procedure, since regulatory compliance is binding and the availability target must yield to the legal constraint.

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