Felix Hochleitner
Lead Cloud Engineer @ SQUER
Vienna, Austria
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Felix Hochleitner is a Lead Cloud Engineer at SQUER in Vienna. He has been breathing Kubernetes for more than seven years, designing multi-tenant platforms on AWS that turn complex cloud infrastructure into self-service experiences for development teams. His passion lies in building well-crafted platform APIs and GitOps-driven workflows that let engineers focus on shipping software rather than fighting
infrastructure. When he's not engineering developer experiences, he's most likely reading a book.
Area of Expertise
EKS Hybrid Nodes Deep Dive: Cilium, Crossplane and On-Prem
Hybrid nodes on Amazon EKS give you a fully managed cloud control plane while letting you run workloads on your own on-premises hardware. At ORF.at we run exactly this setup in production, EKS connected with On-Prem and Cilium running in VXLAN.
This session puts the spotlight on the one problem that actually kills the whole architecture: admission webhooks become completely unreachable for the control plane the second you enable Cilium VXLAN. Crossplane brings dozens of webhooks. Kyverno multiplies it. We show the failures, explain why it happens, and demonstrate the routing layer that makes the hybrid cluster stable in real production.
Furthermore, we are going to compare the Hybrid Node architecture with other options and why we decided to go this way.
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