1 views collected around this technical thread.
This article details the design, implementation, and production rollout of a container VPC solution that leverages ipvlan for CNI, a custom IPAM integration with OpenStack/Ultron, and extensive operational fixes to achieve reliable, high‑performance networking for Kubernetes workloads across multiple clusters.
The article explains how Kubernetes allocates Pod IPs—from cluster and node CIDR configuration, through the kubelet‑driven Pod lifecycle and CNI IPAM process, including dual‑stack support, hostNetwork handling, and optional IP reservation/reclamation mechanisms for stable stateful workloads.
This article provides a detailed overview of Calico's essential and optional components, explaining how each part—such as the API server, Felix, BIRD, confd, Dikastes, CNI plugin, datastore plugin, IPAM plugin, kube‑controllers, Typha, and calicoctl—contributes to networking and network policy enforcement in Kubernetes clusters.
This article explains how Kube-OVN extends its IP address management to other CNI plugins, supports multi‑NIC scenarios, and provides step‑by‑step instructions with YAML examples for installing Kube-OVN, configuring NetworkAttachmentDefinitions, creating Subnets, and deploying Pods with static or dynamic IPs.
NetBox 2.9.1, an IP address and data center infrastructure management tool built on Django and PostgreSQL, introduces several enhancements including SLAAC address status, nested LAG support, version details on error pages, and a backward‑compatible remote authentication backend parameter.