This talk explores how to optimize Cilium's performance and scalability for production environments. Learn how to move beyond Cilium's default settings (which prioritize compatibility) to unlock its full potential. Discover essential configuration options including eBPF-based host routing, kube-proxy replacement, eBPF map sizing, and multi-cluster setups. The presenters, Liz Rice from Isovalent at Cisco and Neha Aggarwal from Microsoft, also cover cutting-edge features like BIG TCP and Netkit, along with upcoming performance enhancements on Cilium's roadmap. Gain practical knowledge to optimize your Cilium environment for maximum performance and scale without unnecessary delays.