In the end, the fate of businesses rests on data. More important than the processing of new data or its movement through the network is the task of keeping data available and uncorrupted.
There are vast differences in cost and technology among data protection solutions, but each of them makes some trade-off between resource costs—the costs of bandwidth, capacity and various forms of redundancy—and the business value of assured recoverability.
When developing or updating a data protection strategy, theres no better evaluation tool than solid knowledge of your organizations mission dependence on data. The level of importance of that data, and of its availability on various time scales, will be the ultimate guide for choosing what technology or combinations of technologies you need to implement. In this time of ever-tightening budgets, the importance of this one rule cannot be overstated.