公开(公告)号：US20240121197A1

公开(公告)日：2024-04-11

申请号：US18276788

申请日：2021-03-26

Applicant: NEC Corporation

Inventor： Yoshihiko Hoshino

IPC: H04L47/193

CPC classification number: H04L47/193

Abstract: When a control signal transmitted from a session management functional unit receiving a connection instruction (for example, Attach or the like) of a terminal is received, a policy management functional unit of a network apparatus notifies a LAN located between a core network and the Internet of a policy for the terminal. Specifically, the policy management functional unit notifies the LAN of the policy via a TCP-based interface or an SCTP-based interface. The policy management functional unit receives the control signal via the TCP-based interface or the SCTP-based interface.

公开(公告)号：US20240172161A1

公开(公告)日：2024-05-23

申请号：US18283390

申请日：2021-03-26

Applicant: NEC Corporation

Inventor： Yoshihiko Hoshino

IPC: H04W60/04 ,  H04W48/18 ,  H04W64/00

CPC classification number: H04W60/04 ,  H04W48/18 ,  H04W64/006

Abstract: A communication management server according to one example embodiment of the present disclosure includes: at least one memory storing instructions; and at least one processor configured to execute the instructions to: receive first connection destination information being information about a first connection destination to which user equipment requests connection, and position information of the user equipment, from a control apparatus configured to control connection of the user equipment; acquire second connection destination information being information about a connection destination of the user equipment associated with the position information; determine whether the second connection destination information is different from the first connection destination information; and transmit the second connection destination information to the control apparatus in a case where the second connection destination information is different from the first connection destination information.

公开(公告)号：US11093353B2

公开(公告)日：2021-08-17

申请号：US16491222

申请日：2018-03-16

Applicant: NEC Corporation

Inventor： Yoshihiko Hoshino

IPC: G06F11/20 ,  G06F9/455 ,  G06F9/50

Abstract: A virtual network system includes a first virtualized network function (VNF), a second VNF, a network functions virtualization infrastructure (NFVI), and a virtualized infrastructure manager (VIM). The VNF performs a network function. The second VNF provides a backup of the first VNF, and provides redundant configuration with the first VNF. The NFVI provides a virtual resource that is a virtualization of a physical resource. The VIM instructs the NFVI to provide the virtual resource as a resource for performing the first VNF and the second VNF, and instructs the NFVI to cancel provision of the virtual resource to the first VNF and to provide the virtual resource as a resource for performing the second VNF when the second VNF is performed and the first VNF is made a backup of the second VNF.