Kubernetes
distributions comparison
The Kubernetes landscape is vast and complex. If you are looking to compare different enterprise Kubernetes distributions, have a look at the table below. Kubernetes by Canonical stands out because it delivers multi-cloud operations, enterprise-grade security and optimal price-performance.
|
MicroK8s,
Charmed Kubernetes |
Red Hat
Openshift |
Rancher | |
|---|---|---|---|
| CNCF Conformant | yes | yes | yes |
| High availability | yes | yes | yes |
| Automated updates and patches | yes | – | – |
| Automated upgrades between versions | yes | – | yes |
| Edge support |
4/5 Openshift |
5/5 K3s |
|
| Single-node edition | yes | yes | yes |
| Managed Kubernetes offering | yes | yes | – |
| Container runtime and registries |
5/5 ContainerD, Docker, Kata Private registries, DockerHub, rocks, public cloud registries |
3/5 CRI-O, Kata Private registries, DockerHub, public cloud registries |
4/5 ContainerD, Docker Private registries, DockerHub, public cloud registries |
| Networking |
5/5 Flannel, Calico, Cilium, Kube-OVN, Canal, TIgera EE, Multus, SR-IOV, Juniper Contrail |
4/5 OpenShift SDN, Flannel, Nuage, Kuryr, OvS, Multus, SR-IOV |
3/5 Canal, Calico, Flannel, Weave |
| Storage |
5/5 Ceph, NFS, Cloud Storage, NetApp, vSphere, FlexVolume, PureStorage |
4.5/5 Ceph/Rook, GlusterFS, NFS, Cinder, Flexvolume, vSphere |
4.5/5 GlusterFS, NFS, vSphere, Longhorn |
| Monitoring and Operations Management | yes | yes | yes |
| Multi-cloud deployments |
5 * Juju, Cluster API |
3 * Ansible |
4 * Terraform, Helm |
| Native AWS/GCP/Azure integration | yes | yes | yes |
| Native OpenStack/VMware integration | yes | yes | yes |
| GPU support for accelerated workloads | yes | yes | yes |
| Bare metal deployment | yes | yes | yes |
| Architectures supported | X86, POWER, ARM, Z, s390x | X86, POWER, Z | X86 |
| Pricing | $$ | $$$$$ | $$$ |
Some categories are rated out of 5 for easy comparison.