AWS provides a highly reliable, scalable, low-cost infrastructure platform in the cloud, and powers many businesses in almost 190 countries across the world. The following portion of this chapter provides a high-level overview of the basic AWS concepts that you should try to understand before you start working with AWS services.
An overview of AWS
AWS' global infrastructure
AWS services are available in multiple locations across the globe. AWS provides these services with their infrastructure spread across multiple geographical locations. The AWS infrastructure is segregated in the form of regions, availability zones (AZs), and edge locations, based on geography. Let's now try and understand some of the basic concepts...