This comprehensive article delves into five distinct solutions for cross-cluster communication in Kubernetes multi-cluster environments, comparing their principles, advantages, and limitations. It covers underlay networks, overlay CNIs, Submariner, Skupper, and KubeSlice, providing insights into their unique approaches to addressing the challenges of inter-cluster connectivity and communication

https://oilbeater.com/en/2024/05/24/five-kubernetes-multicluster-network/