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AWS Global Infrastructure

  • AWS Regions
  • AWS Availability Zones (AZ)
  • AWS Local Zones (LZ)
  • AWS Edge Locations (CloudFront POPs (Points of Presence))
  • AWS Regional Edge Cache Locations
  • AWS Wavelength Zones
  • AWS Outposts (for Hybrid Cloud)

AWS Region is a physical location around the world and its a cluster of data centers. Each region has minimum of 3 and maximum of 6 Azs Region names are like us-east-1, eu-west-3, ap-southeast-2

Each AZ is one or more discrete datacenters with redundent power Az names are like ap-southeast-2a, ap-southeast-2b, ap-southeast-2c for Syndey region Its a group of logical data centers

How to choose AWS Region ?

  • Complaince with data governance and legal
  • Proximity/Latency
  • Available Services within a Region
  • Pricing - It varies region to region

What is the SCOPE of AWS Services ?

AWS services are either Global, Regional, or Availability Zone specific and cannot be accessed outside.

  • Some AWS services are Global-scoped (IAM, Route53, CloudFront, SES)
  • Most AWS services are Region-scoped (EC2, Elastic Bean Stack)
  • Some AWS services are AZ-scoped