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Statistical, Signature-Based Approach to IP Traffic Classification

  • US 20100085889A1
  • Filed: 12/10/2009
  • Published: 04/08/2010
  • Est. Priority Date: 01/23/2004
  • Status: Active Grant
First Claim
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1. A method for assigning packets belonging to traffic of a network to one of preselected classes of service, comprising the steps ofin a training sessionobserving a corpus of traffic data that are known to belong to specific ones of said classes of service;

  • performing statistical analysis of the observed corpus of traffic data, relative to preselected traffic attributes,creating a set of rules, that map traffic to said specific classes of service based on values of said preselected traffic attributes in said traffic.following said training sessionreceiving a packet that belongs to a flow of a connection, andassigning the packet to one of said classes of service, in accordance with said set of f rules, based on one or more of said preselected traffic attributes that pertain to said packet.

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