Container orchestration
Once we have a large number of containers or virtual machines, it is hard to manage and maintain them automatically. Container orchestration tools provide a uniform operating environment on top of the container runtime, and share available capacity across multiple containers. Apache Mesos, Rancher, CoreOS, and Kubernetes are examples of popular container orchestration tools. These tools are also called container scheduler and, sometimes, container as service.
One of the other challenges is manual provisioning and deployments. If a deployment has manual elements, the deployer or operational administrators should know the running topology, manually reroute traffic, and then deploy the application one by one until all ...
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