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Private Square's Documentation Global Infrastructure

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AWS Global Infrastructure¶

Understanding the difference between a region, an Availabity Zone (AZ) and an Edge Location¶

Region¶

A region is a physical location in the world which consists of two or more Availability Zones.
A AWS region consists of an independent collection of AWS computing resources in a defined geography.

Availability Zones¶

An Availability Zone is one or more discrete data centers, each with redundant power, networking and connectivity, housed in separate facilities.
Avalability zones are distinct locations from within a AWS region that are engineered to be isolated from failures.

Edge Locations¶

Edge locations are endpoints for AWS which are used for cacheing content. Typically it consists of CloudFront which is Amazon's Content Delivery Network (CDN)