The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 07, 2000

Filed:

Dec. 01, 1997
Applicant:
Inventor:

Sung-Won Kim, Suwon, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ; H04L / ;
U.S. Cl.
CPC ...
370248 ; 370224 ; 370238 ; 370400 ;
Abstract

A technique for reducing the computational complexity for discriminating the existence of a communication path in a lattice communication network control system includes the steps of: checking for an existence of an alternate path between the two terminal nodes of a link, when a failure occurs in a link; and in the presence of the alternate path, setting the link to a failure state based on a consideration that there is a substitute path for the link, or in the absence of the alternate path, setting the link to an unconfirmable state out of the control of a management node, considering that a network is divided into two separate parts.


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