Anew wave of disk-based solutions has entered the market to address longstanding challenges in enterprise data protection. Because these solutions use disk, they are often lumped together, painting a confusing picture of the data protection landscape. Certainly, all data protection solutions have common basic requirements. Data will always need to be retained safely and securely; recovery should be possible with a reasonable amount of effort. However, by examining key differentiating factors-including retention period, speed and cost-we can segment the data protection market into three areas: Staging solutions, designed for data kept briefly on the way to longer-term media; Backup/Restore solutions, designed for data kept in the medium term, when a restore will likely be required; and Archiving solutions, designed for data kept long term for legal or corporate requirements. Further, by breaking down your data protection requirements by segment, it becomes easier to set evaluation criteria and identify the right components for a complete solution.
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