Containers vs Virtual Machine

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Bare Metal : Physical computer/server

Virtual Machine : Emulation of physical machines hardware -> Host operating system -> Hypervisor -> virtual machines

hardware -> bare metal hypervisor -> virtual machines

  • high performance
  • high cost of hardawre that supports bare metal hypervisor

Virtual machines are vulnerable to noise neighbour problems

Containerization : light weight Virtulization

hardware -> host operating system -> container Engine -> containers

Container

A container is a bundling of an application and all its dependencies as a package that allows it to be deployed easily and consistently regardless of the environment.

  • container use Virtualization features of the host operating system.

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