公开(公告)号：EP3518479A1

公开(公告)日：2019-07-31

申请号：EP17923954.6

申请日：2017-08-30

Applicant: NTT Communications Corporation

Inventor： SHEN, Wenyu ,  KANISHIMA, Ryu ,  ARAI, Kenji ,  SAGA, Takeo ,  KAMEI, Takayuki

IPC: H04L12/903 ,  H04L12/715 ,  H04L12/54

Abstract: Disclosed is a network control device for performing control of a system including a plurality of terminals and including a plurality of gateway devices that are coupled to a predetermined network, the network control device including a selection unit that selects a first gateway device used by a first terminal based on a quality between the first terminal and the plurality of gateway devices, a tunnel establishing unit that connects between the first terminal and each of other terminals that uses the first gateway device via a tunnel, and a path control unit that performs path control, such that, when a second gateway device used by a second terminal that is a communication destination of the first terminal is same as the first gateway device, traffic from the first terminal to the second terminal is routed through a tunnel between the first terminal and the second terminal, and when the second gateway device is different from the first gateway device, traffic from the first terminal to the second terminal is routed through the predetermined network.

公开(公告)号：EP4040741A1

公开(公告)日：2022-08-10

申请号：EP19947934.6

申请日：2019-10-01

Applicant: NTT Communications Corporation

Inventor： SHEN, Wenyu ,  SAGA, Takeo ,  ARAI, Kenji ,  KANISHIMA, Ryu

IPC: H04L12/70

Abstract: A setting apparatus for setting a communication apparatus includes a tunnel creation unit configured to create a tunnel between the communication apparatus and the setting apparatus and a setting information management unit configured to transmit setting information to the communication apparatus via the tunnel. An IoT edge execution environment is established based on the setting information in the communication apparatus.

公开(公告)号：EP3836497A1

公开(公告)日：2021-06-16

申请号：EP19861745.8

申请日：2019-05-28

Applicant: NTT Communications Corporation

Inventor： SHEN, Wenyu ,  ARAI, Kenji ,  KANISHIMA, Ryu ,  SAGA, Takeo

IPC: H04L12/903 ,  H04L12/70

Abstract: A control device that is connected to a plurality of networks, and dispatches a packet received from a user terminal to a network among the plurality of networks, includes a DNS control unit configured to receive a DNS query packet transmitted from the user terminal, and based on a query target of the DNS query packet, dispatch the DNS query packet to a network among the plurality of networks; and a routing unit configured to receive a packet, determine a destination of the packet based on a destination address of the packet, and transmit the packet to the determined destination.

公开(公告)号：EP4040740A1

公开(公告)日：2022-08-10

申请号：EP19947749.8

申请日：2019-10-01

Applicant: NTT Communications Corporation

Inventor： SHEN, Wenyu ,  SAGA, Takeo ,  ARAI, Kenji ,  KANISHIMA, Ryu

IPC: H04L12/70

Abstract: A setting apparatus for setting a communication apparatus, the setting apparatus includes an acquiring unit configured to acquire auxiliary information from a management unit configured to execute processing for accessing a cloud, and a setting information management unit configured to transmit setting information including the auxiliary information to the communication apparatus. The auxiliary information is set to an IoT edge execution environment established in the communication apparatus.