Best Server Virtualization Software19Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources. Server Virtualization is the creation of such virtual instances or virtual machines (VMs) via hypervisors or physical servers providing multiple users access to isolated virtual spaces, effectively aggregating usage and spreading the cost of storage and access among users.Scale Computing HC31 ESXi2 AOS3 VM VirtualBox6 Workstation7 Hypervisor (formerly XenServer)8 Hat Virtualization (RHV) (formerly RHEV)9 Cloud for VMware Solutions10 vSphere on IBM Cloud11 VM Server13 VE14 Virtual Machine15 PowerVM16 Virtual Machines17 with Operations Management (VSOM)18 Virtuozzo19 IP OneCloud Virtual Data Center20 VPS Servers21 vCenter Server on IBM Cloud22 Cloud Foundation on IBM Cloud23

Server Virtualization Software

Best Server Virtualization Software

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Server Virtualization Overview

What is Server Virtualization Software?

Server virtualization software allows multiple operating systems to run independently of each other on a single machine in a data center. Virtualization software called Hypervisors encapsulates a guest version of the operating system and emulates hardware resources. In this way, virtualization software uses hypervisors to allow multiple server instances to run on a single machine.

Virtualization software reduces the need for physical hardware systems. The resulting increase in resource utilization lowers server costs. Containerization, however, popular since the emergence of Docker, supplies an alternative to server virtualization for organizations that only require the use of one operating system. Containerization achieves greater efficiency than server virtualization software by foregoing a hypervisor and sharing a single instance of the operating system and running on the “bare metal” of the server.

Server Virtualization Software Features & Capabilities

Server virtualization software provides these common features:

  • Type 1 or type 2 hypervisor
  • Run multiple virtual machines using different OS on same server
  • Automated virtual machine provisioning
  • Manage remote physical locations, branch locations with rapid provisioning
  • Server health monitoring, performance bottleneck, workload rebalancing
  • Centrally control and optimize virtual machine environment
  • Patch or backup virtual machines without interrupting service
  • Migrate live virtual machines between hosts during scheduled maintenance
  • Hypervisor-level security, including antivirus and anti-malware
  • Secure apps and infrastructure with guest operating system lockdown
  • Auditable activity, performance log

Types of Virtualization Software

Virtualization software can be distinguished by the type of hypervisor they utilize. Hypervisors are an important part of virtualization software as they allow a host machine to manage multiple virtual machines.

Type 1 hypervisors are installed directly onto the server. As a result, type 1 hypervisors provide high efficiency and stability. Server virtualization software that uses a type 1 hypervisor is ideal for larger operations that use many server instances.

Type 2 hypervisors are installed on top of a server’s operating system. Virtualization software using a type 2 hypervisor is easier to install and manage for smaller projects but can become more difficult to manage as projects grow.

Pricing Information

Server virtualization inherently reduces data center costs by improving resource utilization. Virtualization software subscriptions are available at a monthly or (more common) annual cost, with reduction in cost for up-front multi-year commitments. Subscriptions are priced according to managed hypervisor socket pairs, or per number of physical processors featuring virtualization. Free trials ranging from 30 to 60 days are available from some vendors. Server virtualization is also sometimes offered with on-demand pricing (e.g. compute capacity per hour).

Server Virtualization Products

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Top Rated
242 Ratings

Scale Computing offers edge computing, virtualization, and hyperconverged solutions for customers around the globe. Scale Computing HC3® software promises to eliminate traditional virtualization software, disaster recovery software, servers, and shared storage, replacing these with a fully integrate…

VMware ESXi

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Top Rated
572 Ratings

VMware ESXi is a popular hypervisor, from VMware.

Nutanix AOS

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113 Ratings

Nutanix in San Jose, California offers their software-defined Enterprise Cloud as a hyper-converged infrastructure solution. The Nutanix Enterprise Cloud solution combines the Nutanix Acropolis virtualization solution, Nutanix AHV hypervisor (though Acropolis works with other hypervisors), Prism clu…


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Top Rated
156 Ratings


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Top Rated
166 Ratings

Oracle VM VirtualBox

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Top Rated
110 Ratings

Oracle VM VIrtualBox is Oracle's cross-platform virtualization offering, acquired with Sun Microsystems in early 2010. The software was originally developed by Innotek GmbH.

Red Hat Virtualization (formerly Red Hat Enterprise Virtualization, broadly known as RHEV) is an enterprise level server and desktop virtualization solution. Red Hat Virtualization also contains the functionality of Red Hat Enterprise Virtualization for Desktop in later editions of the platform.

IBM Cloud for VMware Solutions makes cloud adoption fast and easy, allowing the user to optimize the value of existing on-premises infrastructure, while confidently leveraging the same tools, technologies and skills in the cloud. Gain rapid scalability, deployment in 60+ global data centers and acce…

4 Ratings

Nerdio provides streaming IT services over the Internet by virtualizing hardware and software. Companies using Nerdio no longer have to maintain servers, desktops and software, but instead plug into virtual services in the cloud.

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Virtuozzo, formerly Parallels Cloud Server is a container based server virtualization technology.

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The Evolve IP OneCloud Virtual Data Center is a Virtual Private Cloud Computing Service that is designed to enable customers to leverage guaranteed resource reservation pools (processor, memory and disk resources) at Evolve IP’s data centers. The vendor says that by using the Virtual Private Cloud (…

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HostSailor’s Netherlands VPS Servers is virtual service provider solution (VSP). This solution includes free DDoS protection for all VPS plans in Romania as well as free technical support.

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OpenVZ is container-based virtualization for Linux supported by Odin and fundamental to that company's commercial offering, Virtuozzo.

TrustRadius Top Rated for 2019

2019 Top Rated Server Virtualization Software

There are plenty of options out there, but here's our shortlist of the best Server Virtualization Software. These products won a Top Rated award for having excellent customer satisfaction ratings. The list is based purely on reviews; there is no paid placement, and analyst opinions do not influence the rankings. To qualify, a product must have 10 or more recent reviews and a trScore of 7.5 or higher, indicating above-average satisfaction for business technology. The products with the highest trScores appear first on the list. Read more about the Top Rated criteria.