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SYSTEMS AND METHODS FOR PROVIDING VARIABLE PROTECTION

  • US 20090252066A1
  • Filed: 06/15/2009
  • Published: 10/08/2009
  • Est. Priority Date: 10/21/2005
  • Status: Active Grant
First Claim
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1. A method of protecting nodes within a hierarchical data structure at variable protection levels, the hierarchical data structure comprising leaf nodes and non-leaf nodes, the method comprising:

  • determining a protection level for each of one or more leaf nodes;

    determining, by a computer processor, a protection level for each of one or more non-leaf nodes based on a maximum of the protection levels of children of the non-leaf node;

    protecting, by the computer processor, each of the one or more leaf nodes at the protection level determined for the leaf node; and

    protecting, by the computer processor, each of the one or more non-leaf nodes at the protection level determined for the non-leaf node;

    wherein the protection levels determined for the one or more leaf nodes and the one or more non-leaf nodes are associated with one or more protection techniques for recovering data stored in the hierarchical data structure.

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