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

Load decentralization method and apparatus thereof

Patent 7657653 Issued on February 2, 2010. Estimated Expiration Date: Icon_subject January 26, 2025. 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

Method and apparatus for providing mobility within a network
Patent #: 6366561
Issued on: 04/02/2002
Inventor: Bender

Public mobile data communications network Patent #: 6973057
Issued on: 12/06/2005
Inventor: Forslöw

Inventors

Assignee

Application

No. 11043452 filed on 01/26/2005

US Classes:

709/242Routing data updating

Examiners

Primary: Caldwell, Andrew
Assistant: Recek, Jason

Attorney, Agent or Firm

Foreign Patent References

  • 7-295843 JP 11/01/1995
  • 7-319835 JP 12/01/1995
  • 2000-207370 JP 07/01/2000
  • 2002-190770 JP 07/01/2002
  • 2002-305532 JP 10/01/2002
  • 2003-018192 JP 01/01/2003

International Class

G06F 15/173

Abstract

The present invention discloses a load decentralization method for decentralizing load centralized to a MAP of a hierarchical domain in a network where packets destined to mobile nodes in the network are transmitted to the mobile nodes via the MAP, in which the MAP includes a table part for managing a corresponding relation of home addresses and Care-of-Addresses of the mobile nodes in the hierarchical domain. The method includes the steps of providing a same function as the MAP to at least a portion of routers situated in the hierarchical domain of the MAP, moving one of the elements in the table part to the portion of the routers when a congestion of the MAP is detected, and actuating the portion of the routers to operate as a substitute of the MAP.

Other References

  • Hideaki Ono et al. Study of Optimization based on Hierarchical Mobile Ipv6 Technical Report of IEICE, Jul. 21, 2001, pp. 87-92.
  • Haruyuki Takeyoshi, et al. Evaluation of the Hierarchical Mobile Ipv6 based Network incorporating Route Optimization Effect. Technical Report of IEICE, Feb. 21, 2002, pp. 29-34.
  • Ryuichi Takechi, et al. A Study on Mobile IP Based Network Architecture. Technical Report of IEICE, Oct. 27, 2000, pp. 7-12.
  • International Search Report dated Feb. 25, 2003.
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