AWS Global Infrastructure

  • The AWS Global infrastructure is built around Regions and Availability Zones (AZs). So far, there are:
    • 65+ Availability Zones
    • 22 Geographic Regions
    • 1 Local Region

AWS Availability Zones

AWS Regions and Availability Zones. Source: AWS

  • Regions provide multiple, physically separated and isolated Availability Zones which are connected with low latency, high throughput, and highly redundant networking.
  • Availability Zones offer highly availability, fault tolerance, and scalability.
    • Consist of one or more discrete data centers, each with redundant power, networking, and connectivity, housed in separate facilities.
    • An Availability Zone is represented by a region code followed by a letter identifier; for example, us-east-1a.

AWS Regions and Availability Zones

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  • An AWS Local Region is a single datacenter designed to complement an existing AWS Region.
  • Edge locations are locations where end users access services located at AWS.

Sources:
https://aws.amazon.com/about-aws/global-infrastructure/
https://docs.aws.amazon.com/aws-technical-content/latest/aws-overview/global-infrastructure.html

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