Learn about Confluent's migration journey to Cilium in this technical conference talk that explores the challenges and solutions of implementing Cilium across thousands of Kubernetes clusters in a multi-cloud environment. Discover how Confluent executed a live migration of their data streaming platform while maintaining uninterrupted service across AWS, Azure, and GCP. Gain insights into the advanced security features of Cilium, including transparent encryption and DNS name-based network policies, along with its performance, scalability, and observability improvements. Follow the detailed process of replacing existing CNIs, addressing cloud-specific networking configurations, and ensuring intra-cluster connectivity during migration. Explore the benefits of Hubble observability and learn valuable lessons from the obstacles encountered during this large-scale infrastructure transformation.