Regions & Availability Zones

▪ Cloud providers have physical data centers

▪ Data centers all over the world

▪ Region = physical location, where data centers are clustered

▪ Each group of logical data centers is called an Availability Zone

  • Availability Zones = one or more discrete data centers

24 Regions and 77 availability zones

An Availability Zone (AZ) is one or more discrete data centers with redundant power, networking, and connectivity in an AWS Region.

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