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:
Sep. 19, 2023

Filed:

Feb. 21, 2020
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Shohei Nishikawa, Musashino, JP;

Masataka Sato, Musashino, JP;

Kenji Murase, Musashino, JP;

Kimihiko Fukami, Musashino, JP;

Kenichi Tayama, Musashino, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 41/0677 (2022.01); H04L 43/091 (2022.01);
U.S. Cl.
CPC ...
H04L 41/0677 (2013.01); H04L 43/091 (2022.05);
Abstract

A network management apparatus according to an embodiment includes a storage device configured to store information indicating connection relationships between a plurality of communication devices and communication paths in a network configuration and rank information indicating ranks of the plurality of communication devices in the network configuration and a determination unit configured to, when a fault has occurred in a communication device, determine that a communication device influenced by the fault is within a fault influence range based on the information stored in the storage device.


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