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Method for characterizing system state using message logs

  • US 8,949,177 B2
  • Filed: 08/17/2009
  • Issued: 02/03/2015
  • Est. Priority Date: 10/17/2007
  • Status: Active Grant
First Claim
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1. A method comprising compiling a first message log based, at least in part, on:

  • (i) a second message log that comprises a first message A and a second message B,(ii) a dis-similarity distance Δ

    between the morphology of the first message A and the morphology of the second message B; and

    characterizing system state based on an incidence of anomalies indicated by the first message log,wherein the first message and the second message regard tracking of actions of at least one of communication nodes and communication links of a telecommunication system,wherein the first message and the second message are stored in a respective memory of the telecommunication system, andwherein the dis-similarity distance is based, at least in part, on;

    (i) a first dis-similarity distance Δ

    1 between a first sub-string of the first message S1(A) and a first sub-string of the second message S1(B),(ii) a second dis-similarity distance Δ

    2 between a second sub-string of the first message S2(A) and a second sub-string of the second message S2(B),(iii) a first weighting W1 of the first dis-similarity distance Δ

    2, and(iv) a second weighting W2 of the dis-similarity distance Δ

    2,wherein Δ

    =f(Δ

    1, W1, Δ

    2, W2).

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