Kubernetes Cluster [Dido Solutions, Inc Wiki]

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====== Kubernetes Cluster ======

[[dido:99_annexes:annex-b-terms-and-definitions:start|Go to Terms and Definitions]]

===== Discussion =====

A Kubernetes Cluster is a coordinated computing platform comprising Kubernetes control-plane components and one or more worker nodes that schedule, execute, connect, and manage containerized workloads.

A Kubernetes Cluster may include:

  * Kubernetes control-plane components
  * Worker nodes
  * Cluster networking
  * Service discovery
  * Storage integration
  * Identity and access configuration
  * Admission controls
  * Security controls
  * Monitoring integration
  * Logging integration

The control plane manages the desired and observed state of Kubernetes resources.

Worker nodes execute the containers and supporting runtime components associated with deployed [[dido:99_annexes:annex-b-terms-and-definitions:c:containerized_workload|Containerized Workloads]].

A Kubernetes Cluster differs from a container runtime:

  * A container runtime creates and operates containers
  * A Kubernetes Cluster coordinates containers, workloads, resources, scheduling, networking, and related platform behavior across one or more nodes

A Kubernetes Cluster may operate:

  * Within a single Infrastructure Environment
  * Across multiple availability zones
  * On physical machines
  * On [[dido:99_annexes:annex-b-terms-and-definitions:v:virtual_machine|Virtual Machines]]
  * Through a provider-managed service
  * In a Connected, Disconnected, or Air-Gapped Environment

===== Definition =====

//coordinated computing platform comprising Kubernetes control-plane components and one or more worker nodes that schedule, execute, connect, and manage [[dido:99_annexes:annex-b-terms-and-definitions:c:containerized_workload|Containerized Workloads]]//

===== Source =====

Dido Solutions, Inc. and Jackrabbit Consulting, Inc.

===== Note =====

A Kubernetes Cluster does not by itself establish that the cluster is:

  * Securely configured
  * Highly available
  * Compliant
  * Connected to an external network
  * Suitable for production use
  * Authorized to execute a particular Workload

Separate requirements govern those determinations.

The term does not prescribe a Kubernetes distribution, version, installation method, node topology, container runtime, network implementation, storage implementation, or provider.

===== Example =====

Crucible deploys a Kubernetes Cluster consisting of control-plane components, three worker nodes, cluster networking, storage integration, identity controls, logging, and monitoring.

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