Faced with the issues of explosive growth and complexity, businesses must find new ways to store and protect data. They need to keep more data online for longer periods of time, yet must have faster recovery times and lower costs.

Data de-duplication provides the path. Data deduplication, also known as "commonality factoring", "single-instance storage" or "intelligent compression", is a relatively new important development that is influencing backups and backup strategies. Instead of

backing up every copy of a file, only one iteration of the file is actually saved to disk media.

Data Reduction is Becoming the Key

Reducing redundant copies of data can significantly shrink storage requirements. This lowers storage costs since fewer disks are needed, reduces power, cooling and floor space, shortens backup/recovery times and enables WAN-based disaster recovery since there can be far less data to transfer. Deduplication works best when there is a high degree of duplicate data to be backed up each day. Most data does not significantly change each day and therefore can benefit from deduplication

Deduplication Redefines Wide Area Network Backup

At last, backing up and recovering data to and from remote locations can be done quickly and can become an affordable reality. By shrinking the amount of data sent by as much as 99%, deduplication significantly reduces the time required to send data to remote locations by vaulting only new and unique data segments in a compressed format. This enables enterprises to asynchronously backup/replicate selected business data from a primary location over a WAN to a secure off-site location.

After years of struggling with expensive broadband costs for wide area data transfer, the massive data reduction capability provided by deduplication makes using networks to move backup data offsite for disaster recovery economically and operationally feasible.

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