AWS Global Infrastructure
- AWS has Global Services
- Route 53 (DNS Service)
- CloudFront (Content Delivery Network)
- Web Application Firewall (wAF)
- Identity Access Management (IAM)
AWS Regions
- A region is a cluster of data centers
- AWS has regions all around the world
- Most AWS services are region-scoped, example
- Amazon Lambda (Function as a service)
- Elastic Beanstalk (Platform as a Service)
- Amazon EC2 (Infrastructure as a Service)
- Rekognition (Software as a Service)
- Names can be ap-south-1, eu-west-3...
How to choose an AWS Region?
- Proximity to customers: reduced latency
- Compliance with data governance and legal requirements: Data never leaves a region without your explicit permission
- Available Service within a Region: new services and new features are not available in every Region
- Pricing - it varies region to region and is transparent in the service pricing page
AWS Availability Zones
- Each availability zone (AZ) is one or more descrete data centers with redundant power, network, and connectivity
- They are seprate from each other, so that they are isolated from disasters
- They are connected with high bandwidth, ultra-low, latency networking
- Each reagion has many availability zones (usually 3, min is 2 and max is 6). For example
- ap-southest-2a
- ap-southest-2b
- ap-southest-2c
Edge Location (AWS Points of Persence)
- Location from where the content is delivered to end users with lower latency
- Amazon has 216 Points of Persence (205 Edge Locations & || Regional Caches) in 84 cities acros 42 countires
References