AZURE
Solid = physical (region / zone)
Dashed = VNet
Dashed = subnet
Region · eastus
VNet · regional
10.1.0.0/16
subnet · spans all zones
10.1.1.0/24
zone 1
vm-1
10.1.1.4
zone 2
vm-2
10.1.1.5
zone 3
vm-3
10.1.1.6