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DISPERSAL OF PRIORITY DATA IN A DISPERSED STORAGE NETWORK

  • US 20110228931A1
  • Filed: 12/31/2010
  • Published: 09/22/2011
  • Est. Priority Date: 03/16/2010
  • Status: Active Grant
First Claim
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1. A method comprises:

  • encoding data into a plurality of sets of encoded data slices in accordance with first error coding dispersal storage function parameters;

    determining priority data segments of the data;

    encoding the priority data segments in accordance with second error coding dispersal storage function parameters to produce a plurality of sets of priority encoded data slices, wherein the first error coding dispersal storage function parameters include a first pillar width and a first decode threshold optimized for data recovery speed and non-optimal for data recovery reliability and the second error coding dispersal storage function parameters include a second pillar width and a second decode threshold optimized for data recovery reliability and non-optimal for data recovery speed; and

    outputting the plurality of sets of encoded data slices and the plurality of sets of priority encoded data slices to a dispersed storage network (DSN) memory for storage therein.

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