Virtualization vs Containerization

Virtualization

  • The server is the physical server that is used to host multiple virtual machines.

  • The Host OS is the base machine such as Linux or Windows.

  • The Hypervisor is either VMWare or Windows Hyper V that is used to host virtual machines.

  • You would then install multiple operating systems as virtual machines on top of the existing hypervisor as Guest OS.

  • You would then host your applications on top of each Guest OS.

Containerization

  • The server is the physical server that is used to host multiple virtual machines. So this layer remains the same.

  • The Host OS is the base machine such as Linux or Windows. So this layer remains the same.

  • Now comes the new generation which is the Docker engine. This is used to run the operating system which earlier used to be virtual machines as Docker containers.

  • All of the Apps now run as Docker containers.

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