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None of them run on a single cluster globally. That's not supported or recommended by anyone. Some PaaS do use K8S as an underlying orchestrator for workloads,
by manigandham 4y ago
None of them run on a single cluster globally. That's not supported or recommended by anyone. Some PaaS do use K8S as an underlying orchestrator for workloads, the same way Fly uses Hashicorp's Nomad, with multiple clusters per region.
Kubernetes does have federation/multi-cluster abilities, and global routing/load balancing is available from every CDN and cloud. It's more work to setup but not by that much.