Controlling Data Flows in Kubernetes with Software-Defined Networking

We take a close look at the specific up- and downsides of three Kubernetes plugins for software-defined networking: Flannel offers a simple architecture, Calico relies on the scalable Border Gateway Protocol, and Cilium makes use of the Linux kernel's eBPF support.

By Martin Loschwitz

Nov 3, 2026 10:00 AM 12 min read

Mannequin in suit — Photo by Paolo Chiabrando on Unsplash

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Martin Loschwitz

Martin Loschwitz is the founder and managing director of True West IT Services GmbH, which offers scalable IT infrastructure based on OpenStack and Kubernetes.