Kubezonnet, an eBPF and Prometheus tool that reveals cross-zone (Kubernetes) network traffic. This talk covers its architecture and practical use cases for optimizing cost. We will briefly look at how we improved our Thanos setup by cutting costs across zones.
https://github.com/polarsignals/kubezonnet
https://www.polarsignals.com/blog/posts/2025/01/09/introducing-kubezonnet