Skupper

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About

Skupper is ranked #5 of 25 in container networking software on Inferse. It runs on API, Linux, macOS, Self-hosted, Windows.

Compared on container networking software

CNI plugin: Noskupper.io
Network policies: Yesskupper.io
Egress control: Yesskupper.io
Multi-cluster networking: Yesskupper.io
Encryption in transit: Yesskupper.io
Supported platforms: Kubernetes, Docker, Podman, Linux, virtual machines, bare metalskupper.io

Facts

Product: Skupper is an application interconnect for building private networks across multiple sites and platforms.skupper.io · 4 Oct 2026
Network model: It operates at the application layer over existing IP networks, connecting services across network boundaries without VPNs or special firewall rules.skupper.io · 4 Oct 2026
Platforms: Skupper works on Kubernetes, Docker, Podman, and Linux.skupper.io · 4 Oct 2026
Isolation: Skupper creates isolated application-focused networks with logical service addresses.skupper.io · 4 Oct 2026
Use cases: The site lists remote resource access, platform migration, application resiliency, and highly distributed applications as use cases.skupper.io · 4 Oct 2026
Security: Skupper secures router connections with mutual TLS using a private, dedicated certificate authority, and uniquely identifies each router with its own certificate.skupper.io · 4 Oct 2026
Exposure: The product page states that application services are never exposed on the public internet.skupper.io · 4 Oct 2026
Connectivity: Skupper forwards local service traffic to remote clusters through a secure virtual application network.skupper.io · 4 Oct 2026
Load balancing: Skupper balances new TCP connections across workloads in distinct sites and reroutes traffic when a workload becomes unavailable.skupper.io · 4 Oct 2026
Load balancing strategies: Multi-key listeners support weighted distribution and priority-based failover across routing keys.skupper.io · 4 Oct 2026
Failover limit: Skupper does not provide orchestrated failover for stateful applications that require control over traffic redirection order; that orchestration must be implemented separately.skupper.io · 4 Oct 2026
Deployment: On Kubernetes, the controller can be installed using YAML, Helm charts, or an Operator; local-system sites require the CLI.skupper.io · 4 Oct 2026
API: The site shows a declarative API with Site, Listener, and Connector resources for defining sites and service exposure.skupper.io · 4 Oct 2026
License: The site states that all Skupper code and documentation are licensed under Apache License version 2.0.skupper.io · 4 Oct 2026
Routing: Skupper supports cross-site routing and can distribute requests among service instances according to capacity and configured link costs.skupper.io · 4 Oct 2026
Failover: Skupper reroutes traffic to available sites when a workload becomes unavailable, but it does not orchestrate failover for stateful applications that need ordered redirection.skupper.io · 4 Oct 2026
Management: Sites and service exposure can be managed through a CLI or declarative YAML workflows.skupper.io · 4 Oct 2026
Kubernetes installation: The controller can be installed from YAML manifests, Helm charts, or an Operator; cluster-scoped installation requires cluster-admin access.skupper.io · 4 Oct 2026
Support: The project directs users to its Google Groups mailing list for questions and GitHub issues for bugs and enhancement requests.skupper.io · 4 Oct 2026
Current release: The releases page identifies Skupper 2.2.2, released on 17 August 2026, as the latest release.skupper.io · 4 Oct 2026