Picking an Ingress Controller: nginx vs Traefik vs ALB
An honest ingress-nginx vs Traefik vs AWS ALB comparison from running all three in production: config model, performance, operational pain, and who should pick which.
Read the postPosts tagged "networking"
6 posts about networking in the conndeck blog — field notes on local-first Kubernetes operations, GitOps, and production debugging.
ClusterIP, NodePort, LoadBalancer: What You're Actually Buying
ClusterIP vs NodePort vs LoadBalancer explained by someone who's paid the bills: what each service type actually creates, how kube-proxy routes it, and when to use which.
Read the postDNS Works on My Laptop: CoreDNS Failures in Kubernetes
In-cluster DNS failing while your laptop resolves fine? Debug ndots:5 query amplification, the UDP conntrack race, CoreDNS health, and scaling, step by step.
Read the postAKS in Production: CNI Overlay, Workload Identity, Hidden Limits
CNI Overlay vs kubenet, Workload Identity, the invisible control plane, surge math, and the AKS quotas that only appear under load — from production.
Read the postEKS Networking: VPC CNI, Prefix Delegation, and the IP Math
ENI slot math, /28 prefix delegation, warm pool tuning, and the failure modes that page you at 2 AM — an operator's guide to EKS pod networking.
Read the postThe Day Our Staging Cluster Ran Out of IP Addresses
Pods stuck in ContainerCreating, cryptic CNI errors, and a /24 subnet with zero free IPs. A war story about why 'just staging' still needs capacity planning.
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