AWS overview
AWS provides a highly reliable, scalable, low-cost infrastructure platform in the cloud that powers hundreds of thousands of businesses in 190 countries across the world. The following portion of the chapter provides a high-level overview of the basic AWS concepts that you should understand before you start working with AWS services.
AWS global infrastructure
AWS services are available at multiple locations across the globe. AWS provides these services with their infrastructure spread across the globe. The AWS infrastructure is connected and isolated in the form of Regions, Availability Zones (AZs), and Edge Locations based on geography. Let's understand some basic concepts of the AWS global infrastructure.
Regions and AZs
Each region, as shown in the following screenshot, is a collection of at least two or more AZs. Each region is independent and they are isolated from each other to keep each of them safe from catastrophic events. Such regions actually correlate with geographical...