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TEN's blog on enterprise GPU infrastructure — GPU utilization, FinOps, AI networking, and data center power. Practical insights for teams running AI at scale.
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Nginx Ingress to Cilium: Migration Retrospective

Nginx Ingress to Cilium: Migration Retrospective

We migrated a production Kubernetes cluster's CNI from flannel to Cilium after Ingress-NGINX reached end-of-life. Here are the five issues that surfaced over ten days after removing kube-proxy — SNI, timeouts, NodePort, monitoring — and the lessons learned.
안녕텐's avatar
Sep 22, 2026
Engineering
Nginx Ingress to Cilium: Migration Retrospective

Nginx Ingress to Cilium: Migration Retrospective

We migrated a production Kubernetes cluster's CNI from flannel to Cilium after Ingress-NGINX reached end-of-life. Here are the five issues that surfaced over ten days after removing kube-proxy — SNI, timeouts, NodePort, monitoring — and the lessons learned.
안녕텐's avatar
Sep 22, 2026
Engineering

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