Infrastructure

Azure Geographies
- Just take note of "paired" region.
- Sovereign regions:
- US Government: physical and logical network-isolated instances of Azure for U.S. government agencies and partners. These datacenters are operated by screened U.S. personnel and include additional compliance certifications.
- China: available through a unique partnership between Microsoft and 21Vianet, whereby Microsoft doesn't directly maintain the datacenters.
Availabilty Zones
1. Note of Global, meaning no zones at all.
Resource Group

- Everything resources has to be under a resource group.
- No nesting is allowed.
- You can move resources to different resource group.
- Resources does not define region (metadata), but region is a property of resources. Meaning VM can be in US, but the resource group can be in EU.
- Lock can be applied on resource group or resources. It prevents accidental deletion or modification of resources.
- Resources are just group doesn't restricts network traffic. Meaning resources in different resource group can communicate with other resource group's resources by default.
- Action or setting at the Resource Group level are applied to all the resources in the resource group.
Hierarchy
