公开(公告)号：US11765047B2

公开(公告)日：2023-09-19

申请号：US17611190

申请日：2019-06-11

Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor： Koki Nomura ,  Iifan Tyou ,  Tetsuhiko Murata ,  Koji Morishita ,  Kenji Ota ,  Akio Mukaiyama ,  Takahiro Nukushina ,  Hiroki Nagayama ,  Yukio Nagafuchi ,  Masaki Tanikawa

IPC: H04L29/08 ,  H04L41/16 ,  G16Y20/10 ,  G16Y40/10 ,  G16Y30/00 ,  H04L67/12

CPC classification number: H04L41/16 ,  G16Y20/10 ,  G16Y30/00 ,  G16Y40/10 ,  H04L67/12

Abstract: Provided is an IoT GW (10), including a learning unit (131) configured to create, for each IoT device connected to the IoT GW (10), a normal communication model (122) that has learned a normal communication pattern of the IoT device; and a determination unit (132) configured to: determine, for learning by the learning unit (131), whether to interrupt, finish, continue, and resume learning based on a load of a learning environment; and control learning processing by the learning unit (131) based on a result of determination.

公开(公告)号：US11882122B2

公开(公告)日：2024-01-23

申请号：US17425325

申请日：2020-01-27

Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor： Koki Nomura ,  Yukio Nagafuchi ,  Iifan Tyou ,  Tetsuhiko Murata ,  Koji Morishita ,  Kenji Ota ,  Akio Mukaiyama ,  Takahiro Nukushina ,  Hiroki Nagayama ,  Masaki Tanikawa

IPC: H04L45/02 ,  H04L9/40

CPC classification number: H04L63/101 ,  H04L63/0227

Abstract: A creation device includes processing circuitry configured to collect pieces of information about IoT (Internet of Things) apparatuses connected to IoT gateways, and white lists stored in the IoT gateways, the white lists specifying content of communication allowed for each of the IoT apparatuses, calculate a feature value showing communication features of IoT apparatuses for each of the IoT gateways, and degrees of similarity in the feature value among the IoT gateways, based on the collected pieces of information about the IoT apparatuses, and extract, if any of the calculated similarity degrees is equal to or above a predetermined threshold, pieces of white list information about IoT apparatuses to mutually complement white lists stored in IoT gateways, from pieces of white list information about IoT apparatuses included in the white lists.