Skupper

Skupper.io: Let your services communicate across Kubernetes clusters

Skupper.io: Let your services communicate across Kubernetes clusters

In the past few years, the popularity and adoption of containers has skyrocketed, and the Kubernetes container orchestration platform has been largely adopted as well. With these changes, a new set of challenges has emerged when dealing with applications deployed on Kubernetes clusters in the real world. One challenge is how to deal with communication between multiple clusters that might be in different networks (even private ones), behind firewalls, and so on.

One possible solution to this problem is to use a Virtual Application Network (VAN), which is sometimes referred to as a Layer 7 network. In a nutshell, a VAN is a logical network that is deployed at the application level and introduces a new layer of addressing for fine-grained application components with no constraints on the network topology. For a much more in-depth explanation, please read this excellent article.

So, what is Skupper? In the project’s own words:

Skupper is a layer seven service interconnect. It enables secure communication across Kubernetes clusters with no VPNs or special firewall rules.

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