News Stay informed about the latest enterprise technology news and product updates. performs cloud backups without appliance beefs up WAN optimization in DataProtect 4.5 to back up and restore Windows Server images to and from the cloud without requiring a physical appliance. has enhanced its Software as a Service (SaaS) offering, which now has the ability to back up complete Windows Server images to the cloud without requiring an appliance.

The Zetta DataProtect 4.5 backs up and syncs full server images directly to the cloud using software only, allowing customers to back up and recover their entire Windows-based physical or virtual servers in the cloud. The new version also includes strengthened WAN acceleration.

Dave Simpson, a senior analyst for storage at 451 Research, pointed out that cloud backup competitors such as Datto Inc., Barracuda Networks Inc., and Carbonite Inc. also do full image backup, but they require hardware.

"What is unique with Zetta is they are the only one in this category that does not sell an appliance," he said. "That is their differentiator. The others use appliances to accelerate backup." also claims that it can backup or recover about 5 TB of data in a 24-hour window via WAN acceleration capability. Zetta DataProtect creates a full instantiated file version of the file system in its native format.

"We are seeing an explosion of high bandwidth," said Gary Sevounts,'s chief marketing officer. "It is becoming more and more commonplace. [There are people] who are blessed with Google Fiber or AT&T, which is giving one gigabit fiber to its customers. We do WAN acceleration with no appliance, already in the package."

Chris Schin, Zetta's vice president of products, said DataProtect allows customers to restore from a physical to physical server, physical to virtual, virtual to physical, and virtual to virtual. He said is taking advantage of some improvements to Microsoft's operating system that allows full server image backup and restore.

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How much does bandwidth limit your ability to do cloud backups?