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You have rate limiting. 100 requests per minute per IP. The attacker uses 100 IPs. Your rate limit is bypassed. Effective rate limiting requires multiple dimensions — IP, user account, device fingerprint, and behavioral signals — not just one.

Reduce API payload sizes and latency through compression, streaming, pagination, and field selection. Master bandwidth optimization for global users.

Compare API versioning strategies: URL paths, headers, and feature flags. Learn when to version, when to avoid it, and how to communicate deprecation.

Master ArgoCD's App of Apps pattern, ApplicationSet for multi-environment deployments, sync waves for ordered rollouts, and disaster recovery strategies for production GitOps pipelines.

Master EKS node group strategies, intelligently autoscale with Karpenter, manage add-ons, implement IRSA for fine-grained IAM, plan cluster upgrades, and optimize costs with Spot instances.