Cloud Architecture

Production EKS Multi-AZ Cluster Layout

Cloud Architecture diagram · made in Skemio

Production Kubernetes multi-AZ diagram showing NLB routing ingress into worker node groups distributed across three private AWS availability zones.
Production Kubernetes multi-AZ diagram showing NLB routing ingress into worker node groups distributed across three private AWS availability zones.
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What it shows

  • AWS manages the EKS control plane across 3 AZs with a 99.95% SLA
  • Managed Node Groups spread pods across AZs using topology spread constraints
  • Cluster Autoscaler provisions nodes across subnets to prevent resource starve

The takeaway

Multi-AZ EKS with topology spread rules ensures uninterrupted service during zone outages.

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