Kube-OVN
Kube-OVN: A broad, self-managed Kubernetes network stack for teams operating on Linux. Ranked #16 of 24 in Software-Defined Networking Software by our editors (7.4/10); pricing: Free plan; best for open-source Kubernetes and VM networking.
At a glance
- Editor score7.4 / 10
- PricingFree plan
- Best forOpen-source Kubernetes and VM networking
- Free planYes
- Paid fromFree
- Deployment modelOn-premises
- Facts checked20 Sep 2026
Where it wins
- Covers overlay, underlay, VLAN, VPC, and BGP networking
- Adds Kubernetes policies, gateways, NAT, load balancing, and QoS
- Supports KubeVirt networking, live migration, and virtual machines
Where it doesn't
- Linux and self-hosted deployment limits platform flexibility
- Requires teams to operate Kubernetes networking components themselves
- No AI features for AI-assisted network operations
Our verdict on Kube-OVN
Kube-OVN is an open-source cloud-native network orchestration system for organizations running Kubernetes on self-managed infrastructure. It uses Open Virtual Network and Open vSwitch to provide Kubernetes CNI networking, namespaced subnet management, IP allocation, static workload IPs, and policy enforcement through OVN ACLs. Its scope also extends to KubeVirt virtual machine networking and live migration, making it relevant to teams running containers and virtual machines in the same environment. The free open-source model suits infrastructure teams that want direct control over their network stack rather than a managed networking service.
Its strongest distinction is breadth within Kubernetes networking. Kube-OVN supports overlay, underlay, and VLAN networking, plus VPC-based multi-tenancy, gateways, NAT, security groups, load balancing, QoS, and traffic mirroring. BGP route advertisement and cross-cluster interconnection add capabilities for more distributed network designs. Integrations with Cilium, Submariner, Prometheus, KubeVirt, OpenStack, and MetalLB can help it fit into an existing cloud-native or virtualized ecosystem. The centralized control plane, northbound API, and support for Geneve, Vxlan, and STT provide a structured foundation for network administration.
Kube-OVN is best suited to teams comfortable managing Kubernetes components on Linux and shaping their own networking architecture. Its self-hosted, on-premises deployment model provides control but also places setup, operations, policy design, and ongoing maintenance with the adopting organization. Linux-only platform coverage narrows its applicability for teams seeking broader operating-system support or a hosted service. Choose Kube-OVN when advanced Kubernetes networking, multi-tenant isolation, KubeVirt connectivity, and open-source control are priorities. A simpler networking tool may be a better fit for teams that do not need this range of networking functions or prefer less infrastructure ownership.
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Kube-OVN pricing
Kube-OVN fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment model | On-premises |
| Control-plane model | Centralized |
| Policy segmentation | Yes |
| Northbound API | Yes |
| Supported protocols | Geneve, Vxlan, STT |
| Managed device limit | Not verified |
| Deployment | Self-hosted |
| Platforms | Linux |
| Support | Community, Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 6 integrations: Cilium, Submariner, Prometheus, KubeVirt, OpenStack, MetalLB |
| Pricing | Free plan |
| Website | kubeovn.github.io |
| Facts checked | 20 Sep 2026 |
Kube-OVN integrations
Kube-OVN lists 6 integrations on its own site.
- Cilium
- Submariner
- Prometheus
- KubeVirt
- OpenStack
- MetalLB
Alternatives to Kube-OVN
- VMware NSXA broad hybrid-cloud networking and security platform with contact-sales pricing.9.3
- Cisco Nexus Dashboard Fabric ControllerA focused controller for provisioning, automating, and governing VXLAN EVPN fabrics.9.1
- Cisco Catalyst CenterA broad Cisco network-operations platform for discovery, automation, compliance, and assurance.9.0
See all Kube-OVN alternatives →
Also Ranked In
Kube-OVN is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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