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How we avoided an outage caused by running out of IPs in EKS

How we avoided an outage caused by running out of IPs in EKS

Adevinta's platform team narrowly avoided a severe IP exhaustion outage during an EKS migration by creatively implementing a custom networking configuration with Secondary CIDR after experimenting with alternatives like Cilium and IPv6, ultimately revealing critical insights for scaling and capacity planning in large AWS environments.


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The FAUN watches over the forest of developers. It roams between Kubernetes clusters, code caves, AI trails, and cloud canopies, gathering the signals that matter and clearing out the noise.
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