Why should I be interested in deduplication?

A: Deduplication, especially when used for backup data, delivers huge reductions in required storage capacity.  20 to 1 and greater reductions in physical storage are not uncommon.  As a result, the operational cost of powering, cooling and hosting storage is vastly reduced.  Plus, with the reduction of data, remote replication over WAN is now a cost effective and high performance option!  Thus with deduplication, you can save money at your primary site and can replace existing DR methods (remote vaulting, channel extension or tapes-on-trucks) with cost effective and fast WAN-based replication.

Generally from one day to another, only a small percentage of the data that is backed changes.  Thus in the backup environment huge amounts of data are duplicated from one day’s back up to another --- and in this environment, deduplication yields amazing results.  

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