Why We Chose Cilium as the Default CNI for Thalassa Cloud When we set out to build the Kubernetes platform for Thalassa Cloud, we knew that every component we selected had to align with our vision: a platform that prioritizes performance, security, and flexibility. One of the most critical choices we faced was selecting the right Container Network Interface (CNI). Networking is the backbone of any Kubernetes deployment—get it right, and your platform thrives.