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XOsoft Turns Back Time: Page 2 of 4

While Shtilman insists that the new Data Rewinder software is unique and faces no competition at all, XOsoft isn't the only company dabbling in the new and emerging continuous backup space.

"Continuous data protection is starting to move into the marketplace," says Aberdeen Group Inc. analyst David Hill. "I think this whole marketplace is going to grow fairly rapidly."

The software sounds suspiciously similar to other continuous backup products, including Storage Technology Corp. (StorageTek)'s (NYSE: STK) EchoView and Vyant Technologies Inc.'s Realtime, which are both currently shipping. In addition, FilesX Inc., Revivio Inc., and TimeSpring Software Corp. are working on similar products (see StorageTek Hears an Echo, Revivio Starts Talking Continuously and FilesX, Actona Find Funds).

Shtilman, however, points out that most of those products only work on Unix platforms, while XOsoft's new software also works with both Unix and Windows. "It costs 20 times more to develop for Windows than for Unix," he says. "And the market for Windows is much, much larger."

The Data Rewinder software supports Microsoft Exchange, Microsoft SQL Server, and Oracle; it ranges in price from $995 to $2,395 per server.