Virtual Network Subnets (VNet Subnets)

Quake AI concept: Subnets

• Azure subnets are child resources of a Virtual Network defined as /providers/Microsoft.Network/virtualNetworks/{vnet}/subnets/{subnet}; Neutron subnets are top-level resources with their own UUIDs associated to a network via network_id.
• Azure subnets support service endpoints (for Azure Storage, SQL) and delegations (reserving a subnet for specific Azure services) with no Neutron equivalent.
• Azure subnet CIDR cannot overlap with other subnets in the same VNet or peered VNets and is immutable after creation; Neutron supports updating allocation pools but not the CIDR block post-creation.
• Network Security Groups (NSGs) attach at the Azure subnet level (and optionally at NIC level); Neutron security groups attach to ports/interfaces, not to subnets.