Simplifying Multi-Cluster Networking With Cilium...
summary
Cilium adds beta MCS-API support (Cilium 1.17) and an EndpointSlice sync feature (introduced in Cilium 1.16 behind a flag) so a ServiceExport auto-creates ServiceImport/derived "DR" services and Operator-driven EndpointSlices that include remote backends; headless services enable sync by default while others are opt-in. Demo across three clusters shows Gateway API and ingress only see remote backends after endpointSlice synchronization, DNS resolves via cluster set local, and the implementation relies on the cluster-mesh API server and a reconciler that adapts the Kubernetes EndpointSlice controller.
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chapters (10)
- 0:00Multi-cluster networking intro
- 1:05Global service in Cilium
- 2:56Global service limits
- 3:58Endpoint slice sync needed
- 5:02Demo: endpoint slice sync
- 8:38MCS API explained
- 12:49MCS API in Cilium
- 16:41MCS API integration
- 17:03Demo: MCS API in action
- 20:41Q&A
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