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Methods and computer programs for generating data traffic matrices

  • US 8,005,009 B2
  • Filed: 06/25/2004
  • Issued: 08/23/2011
  • Est. Priority Date: 06/25/2004
  • Status: Active Grant
First Claim
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1. A method of monitoring traffic within a network of nodes, the method comprising:

  • assigning a subset of network traffic sampling points to each unique pair of nodes in the network;

    each said subset comprising a plurality of sampling points distributed throughout the network;

    collecting diagnostic network traffic data from the sampling points assigned to each node pair in the network;

    for a flow associated with each node pair in the network, obtaining sampled traffic flow counts from the diagnostic traffic data collected from the sampling point subset assigned to the node pair;

    each set subset comprising a plurality of sampling points, said sampling points adapted to provide diagnostic network traffic data comprising a source address and a destination address even if the flow data passes more than one sampling point; and

    for each flow, performing a function on the respective sampled traffic flow counts to obtain an estimated traffic flow count for the flow.

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