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Policy engine which supports application specific plug-ins for enforcing policies in a feedback-based, adaptive data network

  • US 6,751,662 B1
  • Filed: 08/28/2002
  • Issued: 06/15/2004
  • Est. Priority Date: 06/29/1999
  • Status: Expired due to Term
First Claim
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1. A method for providing dynamic feedback control of network elements in a data network, the data network including a plurality of network elements, each of said network elements having a plurality operating parameters associated therewith, said operating parameters being related to at least one control parameter of said element, said method comprising:

  • retrieving information related to a first subset of network elements from a first data source;

    analyzing at least a portion of said retrieved information based upon selected guidelines to determine whether a performance of at least a portion of said network conforms with predetermined criteria; and

    automatically sending updated control information to at least one network element based upon said analysis of said information when it is determined that a performance of the at least a portion of the network fails to conform with predetermined criteria;

    wherein the portion of retrieved information which is analyzed includes at least one type of information selected from a group comprising;

    committed information rate information;

    excess information rate information;

    committed burst size information;

    excess burst size information;

    network congestion information;

    queue length information relating to selected circuits within the network; and

    dropped packet information.

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