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Next-Level Multi-Level Deduplication

  • US 20170212907A1
  • Filed: 04/07/2017
  • Published: 07/27/2017
  • Est. Priority Date: 02/18/2015
  • Status: Active Grant
First Claim
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1. A computer implemented method, comprising:

  • generating a first zone stamp for a first data zone in a plurality of data zones contained in at least one data stream;

    comparing the first zone stamp to a second zone stamp, wherein the second zone stamp represents a second data zone, wherein the first and second data zones are first level data zones, and deduplicating the first data zone and the second data zone upon determination that the first zone stamp matches the second zone stamp;

    selecting a second-level first zone stamp upon determination that the first zone stamp does not match the second zone stamp, wherein the second-level first zone stamp represents a second-level first data zone contained with the first data zone; and

    comparing the second-level first zone stamp to at least one of the second zone stamp and a second-level second zone stamp, wherein the second-level second zone stamp represents a second-level second data zone, and deduplicating the second-level first zone and at least one of the second data zone and the second-level second zone based on a determination that the second-level first zone stamp matches at least one of the second zone stamp and the second-level second zone stamp.

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