# Glossary

  • CPU: Processor
  • HA: High Availability
  • HVM: Hardware virtualization
  • MTU: largest size packet that can be sent in the network
  • OS: Operating System
  • PIF: Physical Network Interface
  • PVM: Paravirtualization
  • SR: Storage Repository
  • vCPU: Virtual Processor
  • VDI: Virtual Disk Image
  • VIF: Virtual Network Interface
  • VM: Virtual Machine
  • XO: Xen Orchestra
  • XOA: Xen Orchestra Appliance