by Greg Roody
Deduplication is an advanced data reduction technique which can have a large impact on the amount of storage space required for data. In the case of backup, it is especially effective because typically the same data will be repeatedly sent to the backup store. Almost every backup product on the market today offers deduplication based backup to disk (B2D), and the rest have it on their roadmaps.
Because you can configure these backup-to-disk servers to write to a Cloud Storage appliance like CloudArray (and thus replicate your backup store to Cloud Storage, B2D2C), how you configure your appliance will end up having a large impact on performance due to the unique characteristics of deduplication engines
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