The leading server virtualization contenders tackle InfoWorld's ultimate virtualization challenge
Citrix XenServer combines great Linux performance, rapid deployment, and the major advanced features, though high availability and load balancing require supporting players and additional configuration. A significant drawback is that all VM management operations are serialized. It takes significantly longer to perform any action (such as power up or power down) on multiple virtual machines in XenServer than in any of the other solutions -- a limitation that impacts both manageability and scalability.
Red Hat Enterprise Virtualization has all of the essential management capabilities, but they're nowhere near as complex to implement as the tools for Hyper-V. RHEV also has a few rough spots, including odd gotchas in host maintenance mode and high availability, but it boasts a quick install, solid Linux and Windows performance, a good CLI, and advanced memory management features such as page sharing and compression. It comes closest to VMware in having all the ingredients to support a scalable environment.
It may come as little surprise that VMware vSphere still leads the pack by a handy margin, but the gap is closing fast. If there's one obvious result of this test, it's that there's never been a better time to shop for a virtualization solution.
Read the reviews:
- Virtualization shoot-out: Citrix, Microsoft, Red Hat, and VMware
- Virtualization shoot-out: Citrix XenServer
- Virtualization shoot-out: Microsoft Windows Server 2008 R2 Hyper-V
- Virtualization shoot-out: Red Hat Enterprise Virtualization
- Virtualization shoot-out: VMware vSphere
This article, "Virtualization shoot-out: Citrix, Microsoft, Red Hat, and VMware," was originally published at InfoWorld.com. Follow the latest developments in virtualization and cloud computing at InfoWorld.com. For the latest business technology news, follow InfoWorld.com on Twitter.
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