Hypervisor

Hypervisor

1. define

   • A virtualization layer
   • shares host resources with guest machines

2. examples

   • Virtualbox
   • Hyper-V
   • VMWare ESXi
     • Type 1
     • managed by
       • VCenter
         • windows / linux
         • scalability
         • HA
         • Automation
         • embedded / isolated arch
     • Architecture
       • VMKernel
         • VMware management framework
         • Common information model
         • Infrastructure agents
         • VM support and resource mgmt
       • Agentless systems mgmt
       • CLI commands for config
       • Agentless HW monitoring

3. types

   • Baremetal
     • Runs directly on HW
     • Type 1
   • Hosted
     • Runs atop Host OS
     • Type 2