US 11,736,338 B2
Network management apparatus, method, and program
Kimihiko Fukami, Musashino (JP); Masataka Sato, Musashino (JP); Kenichi Tayama, Musashino (JP); Kenji Murase, Musashino (JP); and Shingo Horiuchi, Musashino (JP)
Assigned to NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
Appl. No. 17/285,390
Filed by NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
PCT Filed Oct. 17, 2019, PCT No. PCT/JP2019/040978
§ 371(c)(1), (2) Date Jan. 24, 2022,
PCT Pub. No. WO2020/080492, PCT Pub. Date Apr. 23, 2020.
Claims priority of application No. 2018-196853 (JP), filed on Oct. 18, 2018.
Prior Publication US 2022/0224591 A1, Jul. 14, 2022
Int. Cl. H04L 41/0631 (2022.01); H04L 41/0677 (2022.01)
CPC H04L 41/0631 (2013.01) [H04L 41/0677 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A network management apparatus comprising:
a storage unit configured to store information indicating a correspondence relationship between information objects related to a physical layer and information objects related to a logical layer in a network configuration, and stores information about subscribers to a service by the network configuration in association with the information objects related to the logical layer;
an acquisition unit configured to acquire a first information object related to a location where a failure occurs in the physical layer of the network configuration from the storage unit;
an identification unit configured to identify, as a failure influence range, a second information object associated with the first information object related to the location where the failure occurs, of the information objects related to the logical layer stored in the storage unit, the first information object being acquired by the acquisition unit; wherein the identification unit further identifies a piece of the information about the subscribers that is associated with the second information object as information of a subscriber affected by the failure; and
an outputting unit configured to output information indicating the failure influence range identified by the identification unit, the output information including the information of the subscribers affected by the failure.