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Container Orchestrator

A Container Orchestrator is a software that deploys Containers on multiple host systems, balances traffic between individual containers, scale the amount of containers horizontally and vertically and ensure high availability and redundancy.

To that end a common architecture of orchestrators is to separate into a control plane, that maintains a global perspective, and singular worker nodes that instrument a local Container Runtime to do the bidding of the control plane.

The control plane typically provides:

The most popular orchestrator is Google’s Kubernetes. Others of note are Docker Swarm, Hashicorp’s Nomad and Apache Mesos.

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