DATA DEDUPLICATION has become table stakes technology in many disk-based data protection products, including those from Avamar Technologies, Data Domain, Diligent Technologies and, most recently, Symantec with NetBackup PureDisk. Using the technology, these systems can squeeze orders of magnitude--between three times to 70 times--more data onto a system, depending on the vendor's implementation and your data.

Now, Hewlett-Packard (HP) is putting deduplication into its archiving so...

RIM for Files reduces storage consumption, says Martin, and cuts network traffic. While deduplication on the client adds some latency, it's largely offset by reduced TCP/IP overhead. "It's like getting something for free," he says.

--Alex Barrett