In this article we're gonna learn about the Container Network Interface (CNI) and CNI plugins, what they're supposed to do, and how they're implemented.

ITNEXT is a platform for IT professionals, developers, and technology enthusiasts, offering articles, tutorials, and insights on a wide range of topics, including software development, cloud computing, and machine learning. With a focus on practical solutions and real-world applications, ITNEXT provides actionable advice and best practices for navigating the complexities of modern technology landscapes. Developers can learn about  technologies, explore hands-on tutorials, and stay up-to-date on the latest industry trends through ITNEXT's engaging and informative content.

ITNEXT

The Container Network Interface (CNI) in Kubernetes ensures proper network configuration and pod connectivity within the cluster and to the internet. The CNI plugin, consisting of an executable and a daemon, is responsible for IP address management, routing, and network configuration. The post explains how a CNI plugin operates, detailing its role from pod creation in Kubernetes to setting up network namespaces, virtual ethernet pairs, and necessary IP and routing configurations. The article also includes a demonstration of a simple CNI implementation in Go and Bash, tested in a Canonical Kubernetes cluster.

Container Network Interface (CNI) in Kubernetes: An Introduction

<p>Concise, super cool and easy intro into a difficult topic. Awesome, work 🥳</p>
