AWS Global Infrastructure Overview

  • Region: A geographical area with 2 or more AZs, isolated from other AWS regions. There are 23 regions around the world at the moment.

  • Availability Zone: One of more data centers that are physically separate and isolated from other AZs.

  • Edge Location: A location with Cache Content that can be delivered at low latency to the users. Mostly used by CloudFront for delivering content such as static files or video content.

  • Regional Edge Cache: Also part of the CloudFront network.These are larger caches that sit between AWS services and Edge Locations.

  • Global Network: Highly Available, low latency private global network interconnecting every data center, AZ and AWS region.