sing Envoy, as well as WireGuard encryption. Like Istio, Cilium is a CNCF Graduated project, and has been around in the community for many years.</p><p>Despite offering a similar feature set on the surface, the two projects have substantially different architectures, most notably Cilium’s use of eBPF and WireGuard for processing and encrypting L4 traffic in the kernel, contrasted with Istio’s ztunnel component for L4 in user space. These differences have resulted in substantial speculation about how Ist