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== Feature comparison of different virtualization solutions ==
|'''Hypervisor technology'''
|Technology that enables to run Virtual Machines.
|None{{No}}
|Parallels Desktop Monitor
|KVM
|KVM
|None{{No}}
|KVM
|Hyper-V
|'''Windows guest OS additional support'''
|WHQL-signed drivers, SVVP certification
|NoneN/A
|{{Yes}}
|{{No}}
|{{Yes}}
|{{NoYes}}
|{{No}}
|{{Yes}}
|Linux containers
|LXC (moved from OpenVZ since 4.0)
|None{{No}}|None{{No}}|None{{No}}
|-
!colspan="11" align="left"|1.2. Memory
|'''Memory Overcommit'''
|Ability to present more memory to virtual machines than physically available
|{{Yes}}
|{{Yes}}
|{{Yes}}, with new VCMMD memory management
|{{Yes}}, with new VCMMD memory management and different policies
|{{Yes}}
|{{Yes}}
|{{Yes}}
|N/A
|{{NoYes}}
|{{Yes}}
|{{No}}
|'''Unified management tool for CTs and VMs'''
|Single tool for managing both containers and virtual machines (if applicable)
|NoneN/A
|{{Yes}}
|{{Yes}}
|{{No}}
|{{Yes}}
|NoneN/A|NoneN/A|NoneN/A
|-
|'''OpenStack integration'''
|{{Yes}}
|-
|'''Central Management toolIntegrated GUI'''|Is centralized Centralized multi-server management available for this edition?
|{{Yes}}, 3rd party
|{{Yes}}, Parallels Virtual Automation (PVA)
|{{No}}
|{{Yes}}, [https://www.virtuozzo.com/support/pvaall-products/ Virtual virtuozzo-automator.html Automator]
|{{Yes}}, 3rd party
|{{Yes}}
|-
!colspan="11"|2.2. Upgrade & Backup
|-
|'''Live VE snapshot'''
|{{Yes}}
|{{Yes}}
|Offline, CRIU support is planned{{Yes}}
|{{Yes}}
|{{Yes}}
|{{No}} (only through snapshots)
|{{Yes}}
|{{YesNo}}(only through snapshots, new version is not finished yet)|{{YesNo}}(only through snapshots, new version is not finished yet)
|{{No}} (only through snapshots)
|{{Yes}} (vzdump)
|{{Yes}}
|{{Yes}}
|{{YesNo}}, 3rd party tools
|{{No}}
|{{No}}, 3rd party tools
|{{Yes}}, CRIU for containers
|{{Yes}}, CRIU for containers
|{{Yes}}
|{{Yes}}
|{{Yes}}
|{{Yes}}
|-
!colspan="11"|3.2. HA / DR
|-
|'''Integrated HA'''
|{{Yes}}
|{{Yes}}
|-
!colspan="11" style="font-style:bold;background-color:gold;"|4. Network and Storage
|CT - [[ploop]], VM - [[ploop]]\Qcow2
|Any
|qcow2Qcow2, vmdk, raw
|vhdx, vhd, pass-though (raw)
|Qcow2, raw disk
|{{Yes}}
|{{Yes}}, depends on disk format (dm-thin)
|{{Yes}} (, depends on underlying storage driver)
|{{Yes}}
|{{Yes}}
|{{Yes}}
|-
|'''Virtual SANSoftware-defined Storage'''
|Enhanced storage capability e.g. providing a virtual SAN through virtualized 'local' storage
|{{No}}
|-
!colspan="11"|4.2. Network
|-
|'''Network QoS'''
|{{No}}
|{{No}}
|NoneN/A|NoneN/A|NoneN/A
|-
|'''Completely isolated disk subsystem for CTs'''
|{{Yes}}, ploop
|{{Yes}}, ploop
|{{Yes}}, with LVMor ZFS
|{{Yes}}, LVM, ZFS, or loop devices
|NoneN/A|NoneN/A|NoneN/A
|-
|'''API\SDK'''
|Integration with 3rd-party image catalog services of popular server applications and development environments that can be installed with one click.
|{{No}}
|{{Yes}} Application Image Catalog [https://virtuozzo.com/introducing-the-virtuozzo-application-catalog/ Virtuozzo Application Catalog]
|{{No}}
|{{No}}
|{{No}}
|{{Yes}} (Turnkey)
|None{{No}}|None{{No}}|None{{No}}
|-
|'''Kernel maintenanceupdate without reboot'''|Ability Integrated ability to upgrade kernel with minimal or install security patches without downtime.|KernelCare service integration{{No}}, only 3d party tools|kernel rebootless update (vzreboot){{Yes}}, Rebootless Kernel Update
|{{No}}
|{{Yes}} [https://readykernel.com/ ReadyKernel Service]
|KernelCare service integration{{No}}, only 3d party tools|KernelCare service integration{{No}}, only 3d party tools|NoneN/A|KernelCare service integration{{No}}, only 3d party tools|KernelCare service integration{{No}}, only 3d party tools
|-
|'''Power Panel'''
|{{No}}
|{{Yes}}
|None{{No}}|None{{No}}|None{{No}}|None{{No}}|None{{No}}
|-
|'''Secure for using in public networks'''
|{{Yes}}
|{{Yes}}
|{{No}}<ref name="LXC security">[https://serviceseclists.ait.ac.atorg/securityoss-sec/2015/q3/att-171/LxcSecurityAnalysis.txt LXC Security Analysis]</ref>, <ref name="Security issues and mitigations with lxc">[https://wiki.ubuntu.com/LxcSecurity Security issues and mitigations with LXC]</ref>|{{No}}<ref name="LXC security">[https://service.aitseclists.ac.atorg/securityoss-sec/2015/q3/att-171/LxcSecurityAnalysis.txt LXC Security Analysis]</ref>, <ref name="Security issues and mitigations with lxc">[https://wiki.ubuntu.com/LxcSecurity Security issues and mitigations with LXC]</ref>
|{{Yes}}
|{{Yes}}
|{{Yes}}
|{{No}}
|{{NoYes}}
|{{Yes}}
|{{Yes}}
