September 1, 2010 - InfoWorld.com
By Frank J. Ohlhorst
Virtual appliances are great for the same reasons physical appliances took the IT world by storm: They make deployment a snap -- even instantaneous -- while at the same time reducing costs. It's a formula that made hardware-based appliances immensely popular for network security, backup, storage networking, file services, email, and many other single-focus solutions.
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