Live Migrating Production Clusters From Calico to Cilium

Learn how to perform a live migration of Container Networking Interface (CNI) plugins from Calico to Cilium in production Kubernetes clusters through this conference talk. Explore various migration approaches and understand why specific methods were chosen for implementation at SamsungAds. Discover the detailed step-by-step procedure for executing an in-place CNI migration without requiring cluster rebuilds or complete CNI replacements. Gain valuable insights into the challenges faced and lessons learned during the migration process, helping you make informed decisions when planning similar infrastructure updates in your production environment.