OpenStack Neutron

OpenStackNetworkingFree tier available

Network-as-a-service component covering virtual networks, subnets, routers, floating IPs, security groups, and pluggable backends for OVS, OVN, Linux bridge, or vendor SDN integrations — equivalent to VPC / Virtual Network / VPC across the hyperscalers

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DocumentationPricing

Sub-services (3)

Routers

Layer-3 virtual routers connecting tenant networks and external networks

Security Groups

Stateful network ACLs at the port level

Floating IPs

Reservable public IPs that can be dynamically associated with instances

Tags

networkingvpcsdnovnopen-source

Equivalent services on other platforms

Amazon VPCAWS

Isolated virtual network for launching AWS resources with subnets, route tables, security groups, NACLs, NAT gateways, VPC peering, and Transit Gateway for hub-and-spoke

Azure Virtual NetworkAzure

Isolated private network infrastructure in Azure with subnets, NSGs, route tables, VNet peering, service endpoints, and hybrid connectivity via VPN or ExpressRoute

Virtual Private CloudGCP

Software-defined global private network for cloud resources with regional subnets, firewall rules, VPC peering, and private Google access

Virtual Cloud NetworkOracle

Software-defined networking for OCI resources with regional VCNs, subnets, security lists, route tables, internet and NAT gateways, and VCN peering

Pricing

Pricing model:free