Benefits of Virtualization
- High Availability - Minimize downtime, by running environments on virtualized servers. Since each virtual environment is hardware independent, and its image (operating system, application, data and state) all reside within a single file, running on a different hardware platform is not a problem. This has the net result of simplifying and speeding up system backups, as well as failover recovery. When downtime cost is expensive, virtualization's flexibility is an advantage.
- Increased Security - With the host running Linux, it is possible to run multiple virtual environments each running different operating systems, including legacy Windows versions. Running a less stable operating system on a virtual machine instead of a physical one, actually increases its availability since restarts are simple and fast. Isolating unstable and easily-compromised software in virtual environments provides increased security and fast recovery, as well.
- Isolated Environments - Create a more productive development environment. Isolate development environments that might interfere with each other as well as other applications and processes. Package and version conflicts often result in downtime. Don't try to squeeze everything into one box.
- Growth and Scaling - Reduce hardware, utility, and configuration costs by using a virtual server instead of a physical one. Virtualized server hosting also allows businesses to scale easily without requiring hardware purchases, additional rack space at an ISP, and setup time. Scaling up during peak demand time and back again is now a much more graceful and profitable process.
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