#CONTROLPLANE BACKUP HOW TO#
#CONTROLPLANE BACKUP SOFTWARE#

#CONTROLPLANE BACKUP SOFTWARE#

Moving the control plane to software allows dynamic access and administration. Software-defined networking ( SDN) decouples the data and control planes, removes the control plane from network hardware and implements it in software instead, which enables programmatic access and, as a result, makes network administration much more flexible. In conventional networking, all three planes are implemented in the firmware of routers and switches. The management plane, which carries administrative traffic, is considered a subset of the control plane.

Control packets originate from or are destined for a router. The control plane carries signaling traffic. The data plane (sometimes known as the user plane, forwarding plane, carrier plane or bearer plane) carries the network user traffic. Each plane carries a different type of traffic and is conceptually (and often in reality) an overlay network (a telecommunications network that runs independently on top of another one, although supported by its infrastructure). These three elements - the data plane, the control plane and the management plane – can be thought of as different areas of operations. Episode 4.A plane, in a networking context, is one of three integral components of a telecommunications architecture.

#CONTROLPLANE BACKUP HOW TO#

Episode 2: How to Create a Kubernetes Cluster.Let’s set up our cluster and dive into the Kubernetes world in the next episode. Kube-proxy: The kube-proxy handles network communications inside or outside of your cluster. In a way, it makes sure that containers are running in a Pod. Kubelet: This component communicates with the control plane. These are the components that run on each node and are used for running and maintaining pods. This component links your Kubernetes cluster to the cloud provider. Control processes vary in Kubernetes like node-controller which is controlling if nodes are down or like endpoint-controller that creates the endpoints objects.Ĭloud-controller-manager: This is an optional component that is only required when a Kubernetes cluster is created on the cloud. Kube-controller-manager: The component that is responsible for controller processes.

Kube-scheduler: The component that watches newly created Pods and assigns them a node. Kubernetes uses it as a backing store for all cluster data. Kube-apiserver: The component that exposes the API server.Įtcd: It is a strongly consistent, distributed key-value store. We will talk about building a Kubernetes cluster in the following articles. Controlplane components can be installed to any node but as a best practice, it is not suggested to have controlplane components on a worker node. Controlplane ComponentsĬontrolplane is the decision-maker in the cluster which means it is responsible for orchestrating all the processes that are required for running, scheduling, and maintaining applications. Kubernetes ComponentsĪ Kubernetes cluster consists of a controlplane and worker nodes. It helps you:Īnd many other things like managing versions and secrets. Kubernetes is used for managing containerized apps. Since many companies are moving from monolithic architectures to microservices, containerization technologies ( like docker ) have become popular day by day. It is abbreviated as k8s as there are 8 letters between k and s in the word Kubernetes.īasically, it is a container orchestration tool by Google. What is Kubernetes?ĭocumentation definition for Kubernetes is a portable, extensible, open-source platform for managing containerized workloads and services, that facilitates both declarative configuration and automation. Then, we will cover more details in upcoming articles of the Kubernetes Series. In this first article of the Kubernetes Series, we will start with the Introduction to Kubernetes.

Controlplane backup