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Methods and apparatus for non-intrusive measurement of delay variation of data traffic on communication networks

  • US 20060077902A1
  • Filed: 10/27/2004
  • Published: 04/13/2006
  • Est. Priority Date: 10/08/2004
  • Status: Abandoned Application
First Claim
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1. A method of measuring delay variation of data traffic traversing at least first and second points on a communication network, the data traffic comprising protocol data units (PDUs), the method comprising:

  • (a) generating first PDU identifiers of PDUs observed at the first point and generating corresponding first timestamps indicating observation times of the PDUs at the first point;

    (b) generating second PDU identifiers of PDUs observed at the second point and generating corresponding second timestamps indicating observation times of the PDUs at the second point; and

    (c) computing, from first and second timestamps having matching PDU identifiers, a measure of variation indicating a delay variation of PDUs between the first and second points.

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