HN727: Kubernetes Networking Essentials

This podcast episode explores the concept of Kubernetes networking and its essential components. It discusses the role of managed Kubernetes services offered by cloud providers, such as AWS and Azure, in simplifying cluster and node management. The episode also highlights the Container Network Interface (CNI) as a crucial API for networking functionality in Kubernetes. The conversation covers various key concepts, including pods, nodes, labels, and Kubernetes services, in facilitating communication within a Kubernetes cluster. It explains the role of services as virtual IP addresses and the use of ingress controllers for facilitating communication into and out of the cluster. The episode also delves into advanced networking solutions, such as eBPF, Cilium, and service meshes, which offer powerful capabilities for networking and security in Kubernetes environments.