Submariner vs. kMetal Comparison


Submariner	kMetal CLASTIX	+	+
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About As Kubernetes gains adoption, teams are finding they must deploy and manage multiple clusters to facilitate features like geo-redundancy, scale, and fault isolation for their applications. With Submariner, your applications and services can span multiple cloud providers, data centers, and regions. The Broker must be deployed on a single Kubernetes cluster. This cluster’s API server must be reachable by all Kubernetes clusters connected by Submariner. It can be a dedicated cluster, or one of the connected clusters. Once Submariner is deployed on a cluster with the proper credentials to the Broker it will exchange Cluster and Endpoint objects with other clusters (via push/pull/watching), and start forming connections and routes to other clusters. Worker node IPs on all connected clusters must be outside of the Pod/Service CIDR ranges.	About kMetal is a bare metal Kubernetes platform from Clastix. It provisions physical servers, provides virtualization natively through kernel-based KVM, manages software-defined tenant networking, and builds and rolls out immutable node operating systems, all declared as Kubernetes resources. Platform teams use it to deliver self-service Kubernetes clusters on hardware they own, with no separate hypervisor layer underneath. Each tenant receives a dedicated control plane, an isolated network, and enforced quotas. kMetal is assembled from established open source cloud native projects with no proprietary forks, and the clusters it delivers are CNCF-conformant upstream Kubernetes.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience IT teams searching for an advanced Container Networking solution	Audience Clastix is built for organizations that run Kubernetes at scale and need to manage many clusters without the operational overhead or cost of hyperscaler alternatives. The best fit is managed and cloud service providers (MSPs/CSPs) who want to offer Kubernetes-as-a-service to their own customers without building that infrastructure from scratch. It also suits enterprise infrastructure and platform teams running large, multi-tenant environments who need to consolidate cluster sprawl, cut operational costs, and provision new environments in minutes rather than days. Beyond that, it's a strong match for infrastructure-intensive and regulated industries such as telecom and connectivity providers, finance, gaming, and manufacturing, as well as AI/HPC and GPU infrastructure operators who need multi-tenant, high-performance Kubernetes environments, and edge computing deployments that require low-latency, distributed control planes. In short: any organization that wants full control of its Kubernetes infrastructure — avoiding vendor lock-in — while still getting the self-service, multi-tenant experience of a public cloud.
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos No images available
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing No information available. Free Version Not Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Not Supported
Company Information Submariner submariner.io	Company Information CLASTIX Founded: 2020 Italy clastix.io
Alternatives Azure Kubernetes Fleet Manager Microsoft	Alternatives Loft Loft Labs
Calico Cloud Tigera	Nirmata
Project Calico	Amazon EKS Anywhere Amazon
Red Hat Advanced Cluster Management Red Hat	Nutanix Kubernetes Platform Nutanix
Nutanix Kubernetes Engine Nutanix View All	K8Studio View All
Categories Container Networking Supported	Categories Container Management Supported

Integrations Kubernetes Supported View All 1 Integration	Integrations Kubernetes Not Supported
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