AWS Regions And Availability Zones
First, you understand the AWS Global Infrastructure. Global Infrastructure consists of Regions and Availability Zones. At the time of writing,
there are currently 30 Regions and 96 Availability Zones. These values change all the time. Because more regions and availability zones are added all the time.
What is AWS Availability Zone?
Availability zones are like data centers. So basically data center is just a building filled with servers and other physical components. These are depending on the data center architecture. So Availability zone is the several different data centers. The important thing is these data centers are close together, they are counted as 1 Availability Zone.
What is AWS Region?
The region is a location. It’s like a town. ex: London in England. It's a geographical area. Each region consists of 2 or more availability zones.
You can find new details about Regions and AZs with AWS. ( URL: https://aws.amazon.com/about-aws/global-infrastructure/ ). Availability zones are physically separated by a meaningful distance from any other availability zone( many kilometers)
What are Edge Locations?
Edge locations are basically just endpoints for AWS that is used for caching content. And typically this consists of things like CloudFront, which is Amazon’s content delivery network(CDN). There are many more edge locations than there are Regions. And currently, there are over 215 edge locations around the world.
AWS console regions look like this:
You can find your region from your right hand corner of the screen. In this screenshot our region is Singapore and every AWS cloud service I deployed is stored here.
That’s the brief about AWS Regions and Availability Zones. Let’s see you in the next article.
