Support for multi-cluster routing is <i>huge</i>. One of the main pain points managing Kubernetes in the large-deployment or cross-cloud use case is how to bridge multiple clusters. SIG multi-cluster works on related architecture issues/designs full time, and there are lots of other solutions out there, but they're all kind of large and bulky.<p>If one "thing" (Cilium) can give me local-node breakneck speed (via eBPF magic) <i>and</i> cross-cluster (v1.4) <i>and</i> node <-> node routing I would absolutely drop everything and switch to it (my deployment is <i>very very</i> small).<p>All that said, I'm currently very happy with kube-router[0], because it gave me all-in-one node & service/pod routing (as in, you can actually <i>get rid of</i> kube-proxy. Cilium is now way higher on my short list of things to check out now as well.<p>[0]: <a href="https://www.kube-router.io/" rel="nofollow">https://www.kube-router.io/</a>