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An overview of continuous data protection



IT organizations have been caught between a rock and a hard place. Charged with protecting their company's information, IT organizations have established aggressive service level agreements (SLAs) that impact the manner in which they implement data protection by setting recovery point objectives (RPO) and recovery time objectives (RTO).

Organizations struggle with shrinking or non-existent backup windows, the need to recover quickly, often to a specific point in time, and even meeting compliance or regulatory guidelines. Backing up to tape is no longer adequate; not only is it difficult to administer for backups and recoveries, but it lacks the speed, reliability, flexibility and simplicity IT needs to meet stringent SLAs. Backing up to disk using virtual tape emulation or virtual tape libraries also falls short as the administration of the solution is tape-centric and schedule driven. Add in the explosion of data, along with the challenge of protecting remote offices, and you have the challenge facing many of today's business--with IT sitting on the front lines of aligning business needs with today's technology.

As a result, a growing number of IT organizations are augmenting their traditional backup and recovery strategies with continuous data protection (CDP) solutions. CDP dramatically improves RPOs and RTOs while eliminating backup windows. What's more, CDP not only reduces the need for tape in the backup and recovery process but it also makes recovery easy enough that users can often recover their own files, without help from IT.

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