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Symantec Dips Into De-Dupe

Symantec is joining the data de-duplication dance with backup software targeted for remote offices.

Symantec is set to unveil NetBackup PureDisk next week at the Storage Networking World conference in San Diego. Symantec isn't talking about it publicly yet and had not responded to an inquiry at press time, but industry sources say the product uses de-duplication technology from Data Center Technologies (DCT), a startup Veritas paid $58 million for last year before becoming part of Symantec. (See Veritas Archives Another Startup.)

Although it is part of the NetBackup brand, sources indicate PureDisk is a separate product and does not require customers use NetBackup to run it.

Customers can install PureDisk on PCs, notebooks, or servers in remote offices and use data de-duplication -- also called single-instance storage -- to compress data that appears in more than one place. (See De-Dupers Demand Disk Mindset.) This reduces the amount of traffic that transmits from remote sites over the WAN, which increases the speed of backups. De-duplication also reduces the amount of capacity required for backups.

Symantec is the first major backup vendor to offer data de-duplication, although a handful of private companies already have similar products. Asigra and Avamar use de-duplication in their backup software. Diligent Technologies uses it in virtual tape libraries (VTLs), and Data Domain employs the technology in VTLs, disk appliances, and gateways. ADIC plans to use de-duplication on its disk backup products with technology it acquired earlier this month when it bought Australian startup Rocksoft for $63 million. (See ADIC in De-Dupe Deal.)

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