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EKS and The Cross-AZ Tax: How to Stop Paying AWS $0.02/GB for Traffic That Should Never Leave Your Availability Zone

darryl-ruggles.cloud · published 29 March 2026

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A Complete Terraform Setup for EKS Auto Mode: Is it right for you? Read at the source ↗

darryl-ruggles.cloud

https://github.com/aws/containers-roadmap/issues/2628

github.com

https://github.com/RDarrylR/eks-cross-az-exploration

github.com

https://docs.aws.amazon.com/eks/latest/best-practices/cost-opt-networking.html

docs.aws.amazon.com

https://kubernetes.io/docs/reference/networking/virtual-ips/

kubernetes.io

https://kubernetes.io/docs/concepts/services-networking/topology-aware-routing/

kubernetes.io

https://kubernetes.io/docs/concepts/services-networking/service-traffic-policy/

kubernetes.io

https://aws.amazon.com/blogs/containers/getting-visibility-into-your-amazon-eks-cross-az-pod-to-pod-network-bytes/

aws.amazon.com

https://docs.aws.amazon.com/eks/latest/userguide/network-observability.html

docs.aws.amazon.com

https://docs.aws.amazon.com/AmazonECR/latest/userguide/vpc-endpoints.html

docs.aws.amazon.com

https://docs.aws.amazon.com/vpc/latest/privatelink/vpc-endpoints-s3.html

docs.aws.amazon.com

https://aws.amazon.com/privatelink/pricing/

aws.amazon.com

https://aws.amazon.com/ec2/pricing/on-demand/

aws.amazon.com

https://docs.aws.amazon.com/eks/latest/userguide/kubernetes-versions-standard.html

docs.aws.amazon.com

https://github.com/kubernetes/enhancements/tree/master/keps/sig-network/4444-service-traffic-distribution

github.com

https://docs.aws.amazon.com/eks/latest/userguide/automode.html

docs.aws.amazon.com

https://registry.terraform.io/modules/terraform-aws-modules/eks/aws/latest/examples/eks-auto-mode

registry.terraform.io

https://aws.amazon.com/eks/pricing/

aws.amazon.com

https://x.com/darrylruggles

x.com

https://linkedin.com/in/darrylruggles

linkedin.com

https://github.com/darryl-ruggles

github.com

https://medium.com/@darrylruggles

medium.com

https://dev.to/darrylruggles

dev.to

https://community.aws/@darrylruggles

community.aws