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enhance table and added text description of Virtuozzo benefits
{| class="wikitable sortable"
!Parameter
!OpenVZ-legacy!VirtuozzoOpenVZ!Virtuozzo Commercial
!Proxmox
!Citrix Xen
|Virtualization type
|Containers
|Containers and hypervisor
|Containers and hypervisor
|Containers and hypervisor
|Guest OS support
|Linux
|Windows, Linux, FreeBSD (limited support)
|Windows, Linux, FreeBSD (limited support)
|Windows, Linux (KVM)
|Windows, Linux (limited support)
|Windows, Linux (limited support)
|-
|Unified management tools for CTs and VMs
|Yes
|Yes
|???
|???
|???
|???
|-
|Traffic accounting tools
|No
|Yes
|Yes
|???
|???
|???
|-
|Physical-to-Virtual, Container-to-Virtual migration
|No
|Yes
|Yes
|???
|???
|???
|-
|API
|[https://libvirt.org/drvopenvz.html LibVirt]
|Yes, [[Virtuozzo_ecosystem#API]]
|Yes, [[Virtuozzo_ecosystem#API]]
|???
|???
|???
|-
|Opensource
|Yes
|NoYes|Partially
|Yes
|Yes
|-
|Source code
|[https://src.openvz.org/projects /OVZL Yes]|No[https://src.openvz.org/projects/OVZ Yes]|[https://src.openvz.org/projects/OVZ Yes]
|[https://git.proxmox.com/ Yes]
|[http://www.citrix.ru/go/products/xenserver/xenserver-source-free.html Yes]
|-
|Support
|Yes, community support and [[Support|pay support]]
|Yes, community support and [[Support|pay support]]
|Full support
|-
|Hosting automation
|???
|???
|Yes, [http://www.odin.com/kr/products/paci/ PACI], etc
|-
|Shared storage
|[[Parallels_Cloud_Storage|Odin Cloud Storage]]
|[[Parallels_Cloud_Storage|Odin Cloud Storage]]
|Odin Cloud Storage
|-
|Ability to donate
|[https://openvz.org/Donations Yes]
|[https://openvz.org/Donations Yes]
|No
|???
|}
== Virtuozzo main benefits in comparison to OpenVZ ==
* Ability to create Virtual Machines.
: In addition to Containers, one can create full-scale VMs using a build-in hypervisor. Both Containers and Virtual Machines are managed by the same tools in a uniform way.
* Virtuozzo Storage.
: A resilient and robust way to unify all your local nodes storage into a single highly available SAN-grade distributed storage system.
* Higher container density.
: Virtuozzo provides efficient memory and file sharing mechanisms (VZFS or pfcache) enabling higher container density and better performance of containers.
* Unified management tools for CTs and VMs
: Virtuozzo ships with number of management, monitoring, troubleshooting, and administration tools significantly reducing management, administration, and deployment costs. Specific tools include:
<ul>
: <li> [http://www.odin.com/support/virtualization-suite/pva Parallels Virtual Automation]</li>
: <li> Number of additional CLI tools.</li>
</ul>
* Support and maintenance.
:Virtuozzo is a commercial product supported and maintained by Odin with options for 24×7 phone support and guarantees on maintenance schedules.
* Advanced recovery, monitoring, and back-up tools.
* Physical-to-Virtual (P2V) and Virtual-to-Physical (V2P) migration tools.
: Those tools allow easy conversion of existing physical machines into a container (and vice-versa) facilitating the adoption of virtualized infrastructure.
* Common client-server XML-based management API.
: API allows easily integration of Virtuozzo into existing management infrastructure and development of additional management and monitoring modules.
* Traffic accounting tools.
: These tools enable bandwidth management and control for individual containers and provide additional security mechanisms for containers running on the same host.
== Other benefits of Virtuozzo ==
* Integration with [http://www.odin.com/products/plesk/ Plesk] solution.
* Discounts on Plesk licenses.
* Name-based hosting (no need for public IP for each container).
* Easy to use installation utility.
== See also ==
- [http://www.stableit.ru/2015/05/technical-comparison-of-openvz-and.html Technical comparison of OpenVZ and commercial Virtualization Platforms from Parallels/Odin]
