AWS Fundamentals: Understanding Cloud Computing, Regions and Availability Zones

Introduction

Cloud computing has transformed how applications are built and deployed. Instead of purchasing and maintaining physical servers, organizations can rent infrastructure on demand from cloud providers.

Amazon Web Services (AWS) is the world's largest cloud provider, followed by Microsoft Azure and Google Cloud Platform (GCP).

Life Before Cloud Computing

Before cloud providers existed, organizations had to purchase servers, manage networking equipment, maintain cooling systems, handle hardware failures, and forecast future capacity requirements.

The Cloud Computing Model