Chipmakers Intel, AMD and Arm Ltd. implement instruction set extensions that enable hardware support for virtualization, but it can be difficult to make sense of the alphabet soup of codes and ...

Hardware virtualization, which is also known as server virtualization or simply virtualization, is the abstraction of computing resources from the software that uses those resources. In a traditional ...

Learn from my mistakes ...

Bob Weiderhold, CEO of Transitive, and I fought off intermittent telephone problems to discuss a technology that is often overlooked when analysts put together their taxonomy of virtual processing ...

I keep hearing that virtualization will save money in hardware and power, because it increases server utilization and can be used to consolidate servers, but how much do you need to spend on initial ...

Companies like VMware, and more recently XenSource, got their start with standalone virtualization software that let customers run several operating systems simultaneously on a single computer. But ...

Both server virtualization and desktop virtualization use a software core called a hypervisor to run multiple operating systems on the same physical server hardware. Each OS is kept separate, with ...

Virtualization, the process of abstracting physical hardware by creating multiple virtual machines (VMs) with independent operating systems and tasks, has been in computing since the 1960s. Now, with ...

Virtualization is an easy sell: Who wouldn’t want to turn underutilized physical servers into a humming little farm of virtual servers you can spin up or down at the drop of a hat? The dirty little ...

Look at any sufficiently advanced CNC machine or robot, and you’ll notice something peculiar. On one hand, you have a computer running a true operating system for higher-level processing, be it vision ...

Circuits in the CPU and controller chips that enhance the running of multiple operating systems (multiple virtual machines). They deal with functions such as saving and restoring the CPU state upon ...