Practical X86-virtualization, as pioneered by VMware, has profoundly changed IT, in a way that no other technology advance has ever done before. Once perfected, the insertion of a thin virtualization ...

Virtual servers may make the utilization of physical servers more efficient, but that efficiency comes with a price. The physical servers that support VMs (virtual machines) have to be more powerful.

Hewlett-Packard is plunging into the rapidly emerging field of network functions virtualization (NFV), announcing Monday an OpenNV program comprised of applications and services designed to virtualize ...

Ever since VMware spent $1.2 billion to buy network virtualization startup Nicira in 2012, it has talked about how the technology can eliminate the time-consuming process of setting up virtual ...

Recently a client asked me to write a whitepaper about IP address management. At first the assignment seemed completely routine. But as I began looking at the details I realized that I was going to ...

Options are scarce for protecting applications when they are deployed on virtual servers within the same physical machine, according to a recent Gartner report. Network firewalls located external to ...

In our Clear Choice Test, Virtual Server 2005 proved itself well worth the money because it lets you run multiple instances of Windows on the same machine. VMware (recently acquired by EMC) has long ...

Server virtualization, have you ever heard of it? You’d be surprised how important it is and how much it is used around the world. Now, since not a lot of people have knowledge of server ...

Virtualization on standardized hardware is a key IT trend that began in the late 1990’s with the consolidation and virtualization of storage using SAN and NAS technology. Costs plummeted, customers ...

Virtualization has its roots in the mainframe era of the 1960s, and is particularly associated with IBM, whose CP-67/CMS was the first commercial mainframe operating system to support a virtual ...

How many virtual machines can you fit on a host server? That's a frequently-asked question when IT pros consider which hardware options to purchase for their virtual hosts. In this tip, I share things ...

(1) Running applications in separate, isolated partitions (separate "virtual machines") within a single server. Widely used in enterprise and cloud computing datacenters, each virtual machine (VM) ...