Cloud Native Theater | Istio Day: Zero-Downtime Migration from ingress-nginx to Isti... Joe Abellard

This talk covers the migration journey from ingress-nginx to Istio in a multi-cluster Kubernetes environment at Bloomberg. The speaker, Joe Abellard, details the architecture of Bloomberg's large-scale managed Kubernetes platform, including the critical role of ingress-nginx in managing traffic to essential services. The session discusses the incremental introduction of Istio to ensure stability during the migration process, as well as the key challenges faced, such as preserving existing routing semantics and minimizing operational impact. The speaker also shares valuable lessons learned and best practices for teams contemplating similar migrations in their cloud native infrastructure.