Question: What are regions and availability zones in Amazon EC2? Explain in brief?
Answer: Amazon EC2 is hosted in multiple locations worldwide. These locations are composed of regions and Availability Zones. Each region is a separate geographic area. Each region has multiple, isolated locations known as Availability Zones. (What are regions and availability zones in Amazon EC2? Explain in brief)
Each region is completely independent. Each Availability Zone is isolated, but the Availability Zones in a region are connected through low-latency links. The following diagram illustrates the relationship between regions and Availability Zones.