US 11,843,519 B2
Network management apparatus, method, and program
Kimihiko Fukami, Musashino (JP); Masataka Sato, Musashino (JP); Shohei Nishikawa, Musashino (JP); Kenji Murase, Musashino (JP); and Kenichi Tayama, Musashino (JP)
Assigned to NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
Appl. No. 17/787,839
Filed by NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
PCT Filed Dec. 26, 2019, PCT No. PCT/JP2019/051316
§ 371(c)(1), (2) Date Jun. 21, 2022,
PCT Pub. No. WO2021/131002, PCT Pub. Date Jul. 1, 2021.
Prior Publication US 2023/0025536 A1, Jan. 26, 2023
Int. Cl. H04L 41/0604 (2022.01); H04L 41/0631 (2022.01); H04L 41/00 (2022.01)
CPC H04L 41/26 (2013.01) [H04L 41/0627 (2013.01); H04L 41/0631 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A network management apparatus comprising:
a storage device configured to store information indicating a correspondence relationship between information objects related to a logical layer, information objects related to a physical layer in a network configuration, and information objects related to a facility layer which are objects in which the information objects related to the physical layer are housed;
an acquisition unit configured to acquire an information object related to an occurrence path of a failure in the logical layer of the network configuration, from the storage device; and
a search unit configured to search for, among the information objects related to the facility layer stored in the storage device, an information object related to the facility layer and the physical layer associated with the information object related to the occurrence path of the failure acquired from the acquisition unit, as a candidate for a facility that causes the failure.