All 7 AWS Global Infrastructure (Regions, AZs & Edge Locations) questions
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What is an Availability Zone, and why do AWS architectures commonly span multiple Availability Zones? What is an Edge Location, and how does it differ from a Region or Availability Zone? How do you design a multi region architecture, and what are the key challenges involved compared to a multi Availability Zone design within a single region? What are AWS Local Zones and Wavelength Zones, and what specific use cases do they address? How should an organization design its network architecture to minimize latency and cost when operating across multiple Regions, Availability Zones, and Edge Locations simultaneously?
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How does AWS's global infrastructure support meeting data residency and sovereignty requirements for regulated industries?

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AWS's global infrastructure lets organizations in regulated industries, such as finance or healthcare, choose to deploy and store data exclusively within specific regions to comply with data residency laws that require certain data to never leave a particular country or geographic area, and AWS also offers specialized infrastructure like dedicated regions for government workloads, along with detailed compliance documentation and contractual commitments that help organizations demonstrate their adherence to relevant data sovereignty regulations.
aws s3api put-bucket-policy --bucket my-regulated-bucket --policy file://region-restriction-policy.json
Real-world example A European bank ensures all customer financial data remains stored and processed exclusively within EU based AWS regions, using service control policies to technically enforce this restriction and prevent any team member from accidentally deploying resources outside the approved regions.

Common follow-ups: What tools can technically enforce that resources are only created in approved regions?;How does AWS's shared responsibility model apply specifically to data residency compliance?

AWS Organizations & Multi Account Strategy;IAM
All 7 AWS Global Infrastructure (Regions, AZs & Edge Locations) questions