Regions,DC,Geography,AZones
- 200 datacenter by this time. each datacenter has thousands of servers
- 4 million physical servers
- Availibility zones are unique physical locations witin a single region
- Minimum of 3 availibility zones in the region. Each Availibility zone is made up of one ore mroe datacenters equipped with independent power, cooling and networking
- Some services like zone redundant storage in azure storage accounts will automatically replicate your data automatically across all the zones in the region.
- Every region is located within a geography which in azure is a group of regions that define a boundary for data residency and disaster recovery
- Geography is a single country or can be made up of multiple countries
- When you choose geo redundant storage , azure automatically makes copies of your data across the regions in region pair
Factors to choose a region
- proximity to users
- service availibility
- Not all services will be available to a particular region
- There are some services that are non regional.. Azure bot services…
- When you access a resource is azure, the traffic goes from your computer through your internet service provider to a point of presence or PoP thats managed by microsoft where it entrs into the microsoft flobal network
- MS has 185 pops around the world, so you get routed to the one closest to your location.