Global Infrastructure

· Built around regions and availability zones (AZs)

o 50+ Availability zones

o 18 Geographical Regions

o 1 local region

· Region provides multiple physically separated and isolated Availability zones which are connected with low latency, high throughput and highly redundant networking

· Availability Zone (AZ) offer Highly available, fault tolerant and scalable

o consist of one or more discrete data centres, each with redundant power, networking and connectivity housed in separate facilities

o An availability is represented by a region code followed by an identifier i.e ap-southeast-2a

· An AWS local Region is a single datacentre designed to compliment an existing region

· Edge locations are locations where end users access aws services located at AWS