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Method and server for searching for data stream dividing point based on server

  • US 10,264,045 B2
  • Filed: 03/28/2018
  • Issued: 04/16/2019
  • Est. Priority Date: 02/14/2014
  • Status: Active Grant
First Claim
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1. A method performed by a server processor for searching for a data stream dividing point and for dividing data into a plurality of portions the method comprising:

  • determining a window Wx[k−

    Ax, k+Bx] and a preset condition Cx corresponding to the window Wx[k−

    Ax, k+Bx] based on a dividing rule, wherein x indicates consecutive natural numbers from 1 to M, M≥

    2, and Ax and Bx are integers for establishing a potential dividing point k,determining a corresponding window Wiz[ki

    Az, ki+Bz] for a current potential dividing point ki based to the dividing rule, wherein i and z are integers, and 1≤

    z≤

    M;

    determining whether at least a part of data in the window Wiz[ki

    Az, ki+Bz] meets a preset condition Cz; and

    when the at least a part of data in the window Wiz[ki

    Az, ki+Bz] does not meet the preset condition Cz, skipping N minimum units U for searching for a data stream dividing point from the current potential dividing point ki along a direction of searching for a data stream dividing point, wherein N*U is not greater than ∥

    Bz

    +maxx(∥

    Ax

    ), so as to obtain a new potential dividing point; and

    when at least a part of data in each window Wix[ki

    Ax, ki+Bx] of M windows of the current potential dividing point ki meets the preset condition Cx, dividing the data stream at the current potential dividing point ki.

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