Carla Safigan

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Top Stories by Carla Safigan

Server virtualization is rapidly becoming a common undertaking for IT departments. As a matter of fact, many organizations are now taking the next step: evaluating their virtualization investment to see whether it's helped them achieve the server consolidation goals they previously set. And along the way many IT departments have had some surprises such as a "performance tax," a reduction in server or application performance as a result of virtualizing applications using hardware virtualization technology. With the advent of operating system virtualization, this evaluation process is starting to reveal that some deployments and uses are perfectly suited to hardware virtualization, while others are more suited to OS virtualization. Using Hardware Virtualization Hardware emulation or virtualization is probably the best-known virtualization technology. VMware and Microso... (more)

Hardware and OS Virtualization: Multiple Solutions May Be the Answer

Finding the appropriate virtualization technology to fit an organization's requirements depends on the needs of the environment, combined with the feature sets of each virtualization architecture. Oftentimes, organizations find that a single approach doesn't complete the picture and multiple virtualization technologies are required. The two basic server virtualization architectures, hardware and operating systems (OS), are each designed with different workloads and environments in mind. Some environments are more suited to OS virtualization, specifically those with naturally hig... (more)