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.
Patent No.:
Date of Patent:
Oct. 24, 2023
Filed:
Feb. 27, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Kodai Yamamoto, Musashino, JP;
Koji Tanida, Musashino, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
When a failure occurs in a counterpart company network, the cause of the failure is specified. A failure detection apparatusthat detects a failure in a counterpart company network includes a hierarchy level detection unitdetecting the number of hierarchy levels indicating a depth of hierarchy levels of the counterpart company network by transmitting a request including the maximum number of transfers to the counterpart company network, a failure location specifying unitspecifying a hierarchy level of a failure location in the counterpart company network by transmitting the request to the counterpart company network in a case where the failure in the counterpart company network has been detected, and a determination unitdetermining that the failure is present in a network core apparatus of the counterpart company network in a case where the hierarchy level of the failure location is a hierarchy level at a depth less than the number of hierarchy levels of the counterpart company network.