Best Server Virtualization Software for 2021

1

vSphere

VMware is the vendor to beat in server virtualization with VMware vSphere. It is likely to be on all shortlists as it has dominated the market for so long. It top all competitors on overall user ratings.

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2

RHEV

Red Hat Virtualization does well against VMware in Linux environments. It is lower cost and is said to be easier to manage. Overall user ratings are only slightly behind vSphere. While it is used by many SMBs, they tend to only be those with IT staff already experienced in open source and Linux deployments.

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3

Proxmox VE

Proxmox is a lower-cost alternative to Red Hat in Linux-rich environments. It has carved out a niche in Germany and other parts of Europe, particularly among SMBs with IT staff experienced in open source software. Its combination of server virtualization, containers and software defined storage in one product makes it especially attractive to organizations wishing to implement these technologies. It also competes closely with Virtuozzo (see below).

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4

Hyper-V

Hyper-V scores only a little behind VMware on user ratings, but is less expensive and more tightly integrated to the entire Microsoft ecosystem. But VMware may be a better option for more environments. However, check compatibility carefully as Hyper-V has a wider range of supported hardware, and offers certain advanced features without requiring additional license fees.

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5

Citrix Hypervisor

Citrix Hypervisor offers an enterprise-level feature set as a low-cost virtualization platform alternative to VMware vSphere. It leads the industry in 3D graphics support, and can span both Windows and Linux workloads.

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6

Oracle VM Server

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7

IBM PowerVM

However, VMware, Citrix and other open source tools may also get the job done if IBM’s solution proves over-engineered. The IBM option is often used by larger enterprises with significant budgets. Small businesses deploying IBM PowerVM may be better to bring in outside help to get it up and running. The complexity of the solution requires some true expertise.

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8

Virtuozzo

Those using KVM who wish enhanced functionality and support should consider Virtuozzo, as well as anyone wanting to virtualize Linux servers. Its user base is comprised of mainly small and mid-sized companies as opposed to large enterprises. Virtuozzo combines server virtualization with software defined storage and containerization. But many other vendors’ can scale better and have more features akin to VMware. SMBs should consider Virtuozo, if cost is the primary concern. But larger organizations with bigger budgets may want to look elsewhere.

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