公开(公告)号：US20170201922A1

公开(公告)日：2017-07-13

申请号：US15313452

申请日：2015-05-22

Applicant: NEC Corporation

Inventor： Ippei AKIYOSHI

IPC: H04W36/22 ,  H04W36/12 ,  H04W4/00

CPC classification number: H04W36/22 ,  H04L67/1002 ,  H04W4/70 ,  H04W36/12 ,  H04W48/18

Abstract: A technique that can enhance the effectiveness of traffic offloading is provided. A base station of the present invention includes: a first means for selecting an MME (Mobility Management Entity), based on information included in a message sent from a terminal; and a second means for sending a connection request sent from the terminal to the selected MME, wherein the first means is able to select a virtual MME that operates a function of the MME through a virtual machine, based on the information included in the message.

公开(公告)号：US20170054637A1

公开(公告)日：2017-02-23

申请号：US15118587

申请日：2015-02-10

Applicant: NEC Corporation

Inventor： Ippei AKIYOSHI

IPC: H04L12/741 ,  G06F9/455

Abstract: When the functions of dedicated appliances are executed by using virtualization technology, the dynamic activation, deactivation, and the like of a virtual machine makes it difficult to continuously manage communication status. An information processing apparatus according to the present invention includes: a first means capable of providing a network function that executes communication processing; a second means capable of forwarding a received packet to a network function associated with a communication path group to which the received packet belongs, among a plurality of network functions; and a third means capable of connecting a shared database with each of the plurality of virtual network functions, wherein the shared database stores communication status related to the communication path corresponding to each of the plurality of virtual network functions, wherein the communication status is associated with the communication path group.

Abstract translation: 当通过使用虚拟化技术执行专用设备的功能时，虚拟机的动态激活，去激活等使得难以持续管理通信状态。 根据本发明的信息处理装置包括：能够提供执行通信处理的网络功能的第一装置; 在多个网络功能中，能够将接收到的分组转发到与所接收的分组所属的通信路径组相关联的网络功能的第二装置; 以及第三装置，其能够将共享数据库与所述多个虚拟网络功能中的每一个连接，其中所述共享数据库存储与所述多个虚拟网络功能中的每一个相对应的与所述通信路径相关的通信状态，其中所述通信状态与 通信路径组。

公开(公告)号：US20170024237A1

公开(公告)日：2017-01-26

申请号：US15123993

申请日：2015-03-03

Applicant: NEC Corporation

Inventor： Nobuhiko ITOH ,  Ippei AKIYOSHI

IPC: G06F9/455 ,  G06F9/50

CPC classification number: G06F9/45558 ,  G06F9/46 ,  G06F9/50 ,  G06F2009/45595

Abstract: A technique making it possible to perform flexible virtual machine control is provided. A server according to the present invention is characterized by including: a first means capable of operating a plurality of network functions executed by a network node on a plurality of virtual machines corresponding respectively to the network functions; and a second means capable of forwarding a received signal to a virtual machine that operates a network function corresponding to the received signal based on tag information added to the received signal.

Abstract translation: 提供了一种使得可以执行灵活的虚拟机控制的技术。 根据本发明的服务器的特征在于包括：第一装置，其能够在分别对应于所述网络功能的多个虚拟机上操作由网络节点执行的多个网络功能; 以及第二装置，其能够基于添加到所接收的信号的标签信息，将接收到的信号转发到操作与接收到的信号相对应的网络功能的虚拟机。

公开(公告)号：US20130235869A1

公开(公告)日：2013-09-12

申请号：US13865799

申请日：2013-04-18

Applicant: NEC CORPORATION

Inventor： Ippei AKIYOSHI

IPC: H04L12/56

CPC classification number: H04L45/745 ,  H04L45/22 ,  H04L45/30 ,  H04L45/38 ,  H04L45/42 ,  H04L45/54 ,  H04L67/1002 ,  H04L69/22 ,  H04W40/00

Abstract: A communication system includes a communication device controlling packet forwarding, and a controller setting a first table entry used for packet forwarding according to a request from the communication device. The communication device determines whether to forward a received packet according to the first table entry or forward the received packet according to a second table entry set by the communication device based on a rule for identifying a received packet. The load of the controller for controlling paths can be reduced.

公开(公告)号：US20170118121A1

公开(公告)日：2017-04-27

申请号：US15127056

申请日：2015-03-19

Applicant: NEC Corporation

Inventor： Ippei AKIYOSHI

IPC: H04L12/803 ,  H04L12/46 ,  H04L29/08

CPC classification number: H04L47/125 ,  H04L12/4641 ,  H04L67/142 ,  H04W24/02 ,  H04W28/08 ,  H04W36/0011 ,  H04W76/20

Abstract: Effects on communication services caused by re-establishment of a communication path are suppressed when resource control is performed in a communication system. A server according to the present invention is a server in a communication system providing communication services to a terminal through a communication path associated with the terminal, and includes: a first means capable of operating a network function on a virtual machine, wherein the network function is to communicate with an opposite network node via a first session; and a second means capable of forwarding control information including information related to a second session from the network function to the opposite network node, wherein the network function switches the first session to the second session.

公开(公告)号：US20170111823A1

公开(公告)日：2017-04-20

申请号：US15127261

申请日：2015-03-19

Applicant: NEC Corporation

Inventor： Ippei AKIYOSHI

IPC: H04W28/08 ,  H04W76/04 ,  H04W76/02 ,  H04W28/06 ,  H04W28/12

CPC classification number: H04W28/085 ,  H04W24/02 ,  H04W28/06 ,  H04W28/08 ,  H04W28/12 ,  H04W36/00 ,  H04W36/0011 ,  H04W76/19 ,  H04W76/20

Abstract: Effects on communication services caused by re-establishment of a communication path are suppressed when resource control is performed in a communication system. A communication apparatus according to the present invention is a communication apparatus in a communication system providing communication services to a terminal through a communication path associated with the terminal, and includes: a first means capable of switching a first session set up between the communication apparatus and a network node to a second session; and a second means capable of sending a control signal including information related to the second session to the network node.

公开(公告)号：US20170054636A1

公开(公告)日：2017-02-23

申请号：US15118541

申请日：2015-02-10

Applicant: NEC Corporation

Inventor： Ippei AKIYOSHI

IPC: H04L12/741 ,  H04L29/12 ,  G06F9/455

CPC classification number: H04L45/74 ,  G06F9/45558 ,  G06F2009/45595 ,  H04L45/306 ,  H04L45/586 ,  H04L45/64 ,  H04L61/256

Abstract: When the functions of dedicated appliances are executed by using virtualization technology, the dynamic activation, deactivation, and the like of a virtual machine makes it difficult to continuously manage communication status. An information processing apparatus according to the present invention includes: a first means capable of providing a network function that executes communication processing; a second means capable of forwarding a received packet to a network function associated with a communication path to which the received packet belongs, among a plurality of network functions; and a third means capable of connecting a shared database with each of the plurality of virtual network functions, wherein the shared database stores communication status related to the communication path corresponding to each of the plurality of virtual network functions.

Abstract translation: 当通过使用虚拟化技术执行专用设备的功能时，虚拟机的动态激活，去激活等使得难以持续管理通信状态。 根据本发明的信息处理装置包括：能够提供执行通信处理的网络功能的第一装置; 在多个网络功能中，能够将接收到的分组转发到与所接收的分组所属的通信路径相关联的网络功能的第二装置; 以及能够将共享数据库与所述多个虚拟网络功能中的每一个连接的第三装置，其中，所述共享数据库存储与所述多个虚拟网络功能中的每一个对应的通信路径相关的通信状态。

公开(公告)号：US20170052806A1

公开(公告)日：2017-02-23

申请号：US15118582

申请日：2015-02-10

Applicant: NEC Corporation

Inventor： Ippei AKIYOSHI

IPC: G06F9/455

CPC classification number: G06F9/45558 ,  G06F9/485 ,  G06F9/54 ,  G06F16/22 ,  G06F2009/4557 ,  G06F2009/45595

Abstract: When the functions of dedicated appliances are executed by using virtualization technology, the dynamic activation, deactivation, and the like of a virtual machine makes it difficult to continuously manage communication status. An information processing apparatus according to the present invention includes: a first means capable of executing a virtual network function, which provides, on a virtual machine, a function related to communication processing; and a second means capable of connecting a shared database, which stores communication status related to the communication processing executed by each of a plurality of the virtual network functions, with each of the plurality of the virtual network functions.

Abstract translation: 当通过使用虚拟化技术执行专用设备的功能时，虚拟机的动态激活，去激活等使得难以持续管理通信状态。 根据本发明的信息处理设备包括：能够执行虚拟网络功能的第一装置，其在虚拟机上提供与通信处理相关的功能; 以及第二装置，其能够将存储与由多个虚拟网络功能中的每一个执行的通信处理相关的通信状态的共享数据库与多个虚拟网络功能中的每一个相连接。

公开(公告)号：US20210298104A1

公开(公告)日：2021-09-23

申请号：US16334398

申请日：2017-09-27

Applicant: NEC CORPORATION

Inventor： Ippei AKIYOSHI

IPC: H04W76/16 ,  H04W40/12

Abstract: A communication system includes a first radio access apparatus, a second radio access apparatus, and a radio terminal that is enabled to simultaneously communicate with the first radio access apparatus and the second radio access apparatus. The communication system acquires service characteristic information that indicates a characteristic of a service provided to the radio terminal and determines a type of a communication path for downlink user data used for provision of the service to the radio terminal, from among a plurality of types of communication paths, based on the service characteristic information.

公开(公告)号：US20180097727A1

公开(公告)日：2018-04-05

申请号：US15562479

申请日：2016-03-24

Applicant: NEC Corporation

Inventor： Ippei AKIYOSHI ,  Jun NISHIOKA ,  Noriaki KISHITA

IPC: H04L12/715 ,  H04L12/721 ,  H04L12/717

CPC classification number: H04L45/64 ,  H04L45/38 ,  H04L45/42 ,  H04L45/74 ,  H04L61/103

Abstract: A network system, a node apparatus, a control apparatus, a communication control method, and a control method are provided that make it possible to easily perform control of a physical layer device required for flow control. In a communication system including a plurality of nodes constituting a network and a control apparatus controlling each node in units of flows, at least one communication interface is provided to each port of the nodes; the control apparatus instructs the node to set a physical layer mode on a port, and the node, in accordance with the physical layer mode indicated by the control apparatus, make setting of a corresponding communication interface.