A financial technology company is launching a digital wallet application on AWS. Due to regulatory compliance, all financial transaction logs must be stored within a specific country's geographic borders. Additionally, the transaction database must remain operational even if an entire data center facility experiences a power failure. Which AWS infrastructure configuration best satisfies both requirements?
- ADeploy the database in a single Availability Zone within the designated country, and replicate transaction logs to multiple Edge Locations globally.
- BDeploy the database across multiple AWS Regions, using Edge Locations to host the active database instances in the designated country.
- Deploy the application and database across multiple Availability Zones within a single AWS Region located in the designated country.Answer
- DDeploy the database in a single AWS Region in a neighboring country, and use AWS Local Zones to cache the data locally.
Answer
Deploy the application and database across multiple Availability Zones within a single AWS Region located in the designated country.
Deploying the application and database across multiple Availability Zones within a single AWS Region in the designated country satisfies data residency laws by keeping all data within the country's geographic borders, while leveraging multiple isolated Availability Zones ensures high availability and resilience against facility-level outages.
Step-by-Step Solution
Key Concept
AWS Regions protect data residency while Availability Zones provide high availability within a Region.
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