Kube-Proxy and CNI: The Hidden Components of Kubernetes Networking
<p>Kubernetes networking is a complex and fascinating topic, with many moving parts. <strong>Kube-Proxy</strong> and <strong>CNI</strong> are two essential components of Kubernetes networking, working together to enable excellent communication between various components.</p>
<p><code><a href="https://kubernetes.io/docs/concepts/overview/components/#kube-proxy" rel="noopener ugc nofollow" target="_blank">Kube-Proxy</a></code> is a network proxy that runs on each node in a Kubernetes cluster. It is responsible for maintaining network connectivity between services and pods. Kube-Proxy does this by translating service definitions into actionable networking rules.</p>
<p><code><a href="https://www.cni.dev/" rel="noopener ugc nofollow" target="_blank">CNI</a></code>, The Container Network Interface (CNI) is a specification for configuring networking resources in Kubernetes. CNI provides a dynamic framework for provisioning IP addresses, establishing cross-host connectivity, and configuring overlay or underlay networks.</p>
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