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Interactive Explainer

Kubernetes Cluster Federation

Managing workloads across multiple Kubernetes clusters for geo-distribution, compliance, and disaster recovery.

🎯Key Takeaways
Most teams prefer app-level federation (Argo CD multi-cluster)
KubeFed: powerful but operationally complex
Cross-cluster networking: Submariner or cloud-native VPC peering

Kubernetes Cluster Federation

Managing workloads across multiple Kubernetes clusters for geo-distribution, compliance, and disaster recovery.

~1 min read
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What you'll learn
  • Most teams prefer app-level federation (Argo CD multi-cluster)
  • KubeFed: powerful but operationally complex
  • Cross-cluster networking: Submariner or cloud-native VPC peering

Federation Approaches

Federation manages workloads across clusters. KubeFed is official but complex. Most teams use application-level federation: deploy independently to each cluster using Argo CD multi-cluster, sync via CI/CD. Cross-cluster networking via Submariner (layer 3 overlay) or cloud VPC peering.

Key takeaways

  • Most teams prefer app-level federation (Argo CD multi-cluster)
  • KubeFed: powerful but operationally complex
  • Cross-cluster networking: Submariner or cloud-native VPC peering

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