U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Hierarchical event monitoring and analysis

Patent 6484203 Issued on November 19, 2002. Estimated Expiration Date: Icon_subject September 8, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

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System and method for traffic management in a network management system
Patent #: 5922051
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Patent #: 5974237
Issued on: 10/26/1999
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Patent #: 5974457
Issued on: 10/26/1999
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Patent #: 5991881
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Hierarchically interconnected routers for exclusively polling low activity network nodes to reduce polling traffic Patent #: 6396845
Issued on: 05/28/2002
Inventor: Sugita

Inventors

Application

No. 658137 filed on 09/08/2000

US Classes:

709/224Computer network monitoring

Examiners

Primary: Heckler, Thomas M.

Attorney, Agent or Firm

International Classes

G06F 011/30
G06F 012/14

Abstract

A computer-automated method of hierarchical event monitoring and analysis within an enterprise network including deploying network monitors in the enterprise network, detecting, by the network monitors, suspicious network activity based on analysis of network traffic data selected from the following categories: {network packet data transfer commands, network packet data transfer errors, network packet data volume, network connection requests, network connection denials, error codes included in a network packet}, generating, by the monitors, reports of the suspicious activity, and automatically receiving and integrating the reports of suspicious activity, by one or more hierarchical monitors.

Other References

  • Debar, et al., "Towards a Taxonomy of Intrusion-Detection Systems," Computer Networks 31 (1999), 805-822
  • Garvey, et al., "An Inference Technique for Integrating Knowledge from Disparate Sources," Proc. IJCAI, Vancouver, B.C., Aug., 1981, 319-325
  • Kaven, "The Digital Doorman," PC Magazine, Nov. 16, 1999
  • Lindqvist, et al., "Detecting Computer and Network Misuse Through the Production-Based Expert System Toolset (P-BEST)," Oct. 25, 199
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