VMWAre is the leader in virtualization technology but Microsoft's market share is rising, according to research from Evans Data. The North American Development Survey 2008, conducted in October and November, polled 400 developers. One third of them said they were involved with virtualization projects, and 56% of those used VMWare tools, compared to 37% for Microsoft.
VMWare was the pioneer of commercial x86 virtualization in the 1990s, and today it offers a wide range of software and services. Microsoft entered the virtualization market later, with their Virtual Server and Virtual Hyper-V products released relatively recently. Open source technologies like Xen have significantly lower rates of adoption.
Virtualization allows numerous instances of an operating system, or systems, to run on a single physical machine, and is the basis for innovative web hosting offerings, such as cloud computing and Virtual Private Servers. Benefits from virtualization include scalability and better utilization of existing resources.
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