Continuous Data Protection: Securing Data
By Alice LaPlante
It's virtually a no-brainer. Your data is backed up the instant you make a change to it -- any change, no matter how small. You can retrieve it immediately. That's right; no need to hassle with locating and accessing the right backup tape. And the expense is easily justified by the time you save from not having to redo work lost since the system was last backed up using traditional methods -- whether that was an hour ago, last night, or last week.
Given all this, small wonder that enterprises in increasing numbers are implementing continuous data protection, aka CDP.
"CDP is rapidly turning out to be one of the major technologies emerging to protect all-important enterprise data," says Jim Addlesberger, president and CEO of NavigateStorage, a Boston-based systems integrator specializing in data storage and backup.
Of course, IT departments have been doing backup and recovery for more than 40 years, but until recently it has been the practice to make periodic copies of all of your most important data onto tape. That tape is subsequently detached from the network and stored in a safe place. Most enterprises take it a step further by making copies of such backup tapes and keep them offsite for extra protection. (article continues)
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