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Systems and methods for end-to-end quality of service measurements in a distributed network environment

  • US 20030225549A1
  • Filed: 03/31/2003
  • Published: 12/04/2003
  • Est. Priority Date: 03/29/2002
  • Status: Abandoned Application
First Claim
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1. A system for providing real-time, continuous end-to-end quality of service measurements and usage based metrics, in situ, in a distributed network environment comprising:

  • a node that meters network packets flowing through a workstation connected to a distributed network, the node configured to classify the network packets flowing through the workstation into workstation traffic flows and to generate aggregate node data comprising summarized attributes of the workstation traffic flows;

    a probe that meters network packets flowing through a network segment of the distributed network, the probe configured to classify the network packets flowing through the network segment into network segment traffic flows and to generate aggregate probe data comprising summarized attributes of the network segment traffic flows at one or more layers of the protocol stack;

    a controller connected to the distributed network and in communication with a database of service level criteria, the controller configured to receive the aggregate node data from the node and the aggregate probe data from the probe and to analyze the aggregate node data and the aggregate probe data to determine whether any of the service level criteria are breached; and

    a diagnostic server connected to the distributed network and that receives data from the controller and performs monitoring functions based on the data.

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