When server virtualization was still in its infancy, servers were primarily using block-based SANs for network disk storage, and that was sufficient at the time. Then things began to change. The underlying SAN infrastructure began to feel the strain. SAN has inherent limitations in virtual server environments, while NAS has inherent strengths. Virtual machines (VMs) have dramatically transformed the way IT organizations approach the computing architecture. Initially employed to provide greater efficiency, server virtualization has […]
virtual servers
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Cloud computing is coming of age in large enterprises, according to a new study of North American and European IT professionals conducted by Management Insight on behalf of CA Technologies. The group surveyed IT professionals in organizations with 1,000 to 10,000-plus employees, revealing that enterprises are active in the cloud, and their virtualization efforts are contributing to broader interest in cloud computing. The results also indicate a shift toward approaching IT using “cloud thinking,” accelerating […]
Cloud computing is all the rage. “It’s become the phrase du jour,” says Gartner senior analyst Ben Pring, echoing many of his peers. The problem is that (as with Web 2.0) everyone seems to have a different definition. As a metaphor for the Internet, “the cloud” is a familiar cliché, but when combined with “computing,” the meaning gets bigger and fuzzier. Some analysts and vendors define cloud computing narrowly as an updated version of utility […]