Data protection is the implementation of technologies guaranteeing the availability of data in case of accidental loss or corruption. Tools available are backup, archiving and replication. The process of making data available are restoration and recovery. A data protection policy should take into account technical parameters which is maximum loss of data permissible (RPO), the maximum interruption tolerated (RTO) and the backup window. The tools and investment necessary for the protection should be weighed accordingly to the value of data to be protected. A data protection policy should operate in the same way as an insurance which covers you totally or partially covers according to your needs and circumstances. It is sometimes difficult to estimate, however it is probably easier to question in a more general way:
At each of these issues, the impact on the operations of the business are more or less severe depending on the situation. The policy of data protection should be declined according to the direct and indirect costs and the probability that the disaster occurs.
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