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1.发明公开公开(公告)号：US20240031045A1
公开(公告)日：2024-01-25
申请号：US18028389
申请日：2020-09-29
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Takuya OHARA , Takuya ODA , Fumikazu INUZUKA , Takafumi TANAKA , Masayuki SHIMODA
IPC: H04B17/364 , H04B17/10
CPC classification number: H04B17/364 , H04B17/104
Abstract: One aspect of the present invention is an information processing system including a computing machine installed in a computing machine base, a first transmission/reception device connected to the computing machine, a second transmission/reception device installed in a user base used by a user, a device connected to the second transmission/reception device, and a delay control device configured to measure a delay amount generated between the first transmission/reception device and the second transmission/reception device and control the measured delay amount.
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公开(公告)号：US20230344753A1
公开(公告)日：2023-10-26
申请号：US18028042
申请日：2020-09-25
Applicant: Nippon Telegraph and Telephone Corporation
Inventor： Takuya ODA , Takuya OHARA , Fumikazu INUZUKA , Takafumi TANAKA , Masayuki SHIMODA
Abstract: Distribution devices are each connected to a single or a plurality of line switching networks and a single or a plurality of packet switching networks, selects either the line switching network or the packet switching network as the distribution destination on the basis of distribution policy information in a case where data to which the service providing device or the calculation device is set as a transmission destination, and transmits the received data to the selected switching network is received, and the distribution device captures the received data on the basis of the aggregation policy information and transmit the data to the service providing device or the calculation device corresponding to the transmission destination of the captured data in a case where data transmitted by the other distribution device is received from the line switching network or the packet switching network.
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公开(公告)号：US20230232307A1
公开(公告)日：2023-07-20
申请号：US18029722
申请日：2020-10-22
Applicant: Nippon Telegraph and Telephone Corporation
Inventor： Takafumi Tanaka , Takuya OHARA , Fumikazu INUZUKA , Takuya ODA , Masayuki SHIMODA
IPC: H04W40/04 , H04B10/114 , H04W72/0446
CPC classification number: H04W40/04 , H04B10/114 , H04W72/0446
Abstract: An optical path design device includes: a search unit configured to search for one or more route possibilities from a start point to an end point in an optical network including one or more transmission paths as links and a plurality of node devices as nodes on the basis of topology information of the optical network, information on the start point, and information on the end point; a time derivation unit configured to derive available time which is time at which a frequency band including one or more frequency slots becomes available for communication for each of the transmission paths or the node devices included in the route; and a design unit configured to select the route from the one or more route possibilities that have been searched for on the basis of the available time derived for each of the transmission paths or the node devices and select a frequency band of an optical signal to be transmitted through an optical path in the selected route.
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公开(公告)号：US20240155035A1
公开(公告)日：2024-05-09
申请号：US18413370
申请日：2024-01-16
Applicant: Nippon Telegraph and Telephone Corporation
Inventor： Takuya OHARA , Takuya ODA , Fumikazu INUZUKA , Takafumi TANAKA , Masayuki SHIMODA
IPC: H04L67/141 , H04L41/084
CPC classification number: H04L67/141 , H04L41/0846
Abstract: One aspect of the present invention is an information processing system that includes a computing machine installed in a computing machine base, and a first transmitting/receiving apparatus connected to the computing machine, a second transmitting/receiving apparatus installed in a user base that is used by a user, and a device connected to the second transmitting/receiving apparatus, and a control apparatus configured to control connection between the first transmitting/receiving apparatus and the second transmitting/receiving apparatus. In the information processing system, the control apparatus is configured to change the connection between the first transmitting/receiving apparatus and the second transmitting/receiving apparatus, and copy the state of the pre-change computing machine from the pre-change computing machine into the post-change computing machine.
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Patent Agency Ranking
公开(公告)号：US20240028552A1
公开(公告)日：2024-01-25
申请号：US18025129
申请日：2020-09-14
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Takuya OHARA , Takuya ODA , Fumikazu INUZUKA , Takafumi TANAKA , Masayuki SHIMODA
Abstract: One aspect of the present invention is an information processing system including a computer installed in a computer base, a first transceiver connected to the computer, a second transceiver installed in a user base used by a user, a device connected to the second transceiver, a network configured to perform communication between a plurality of the first transceivers and the second transceiver, and a controller configured to control connection between one of the plurality of the first transceivers and the second transceiver, in which the controller is configured to control connection between one of the plurality of the first transceivers and the second transceiver via the network having a circuit switching function.
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公开(公告)号：US20230336629A1
公开(公告)日：2023-10-19
申请号：US18025524
申请日：2020-09-14
Applicant: Nippon Telegraph and Telephone Corporation
Inventor： Takuya OHARA , Takuya ODA , Fumikazu INUZUKA , Takafumi TANAKA , Masayuki SHIMODA
IPC: H04L67/141 , H04L41/084
CPC classification number: H04L67/141 , H04L41/0846
Abstract: One aspect of the present invention is an information processing system that includes a computing machine installed in a computing machine base, and a first transmitting/receiving apparatus connected to the computing machine, a second transmitting/receiving apparatus installed in a user base that is used by a user, and a device connected to the second transmitting/receiving apparatus, and a control apparatus configured to control connection between the first transmitting/receiving apparatus and the second transmitting/receiving apparatus. In the information processing system, the control apparatus is configured to change the connection between the first transmitting/receiving apparatus and the second transmitting/receiving apparatus, and copy the state of the pre-change computing machine from the pre-change computing machine into the post-change computing machine.
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公开(公告)号：US20250016089A1
公开(公告)日：2025-01-09
申请号：US18034288
申请日：2020-11-16
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Takafumi TANAKA , Takuya OHARA , Fumikazu INUZUKA , Takuya ODA , Masayuki SHIMODA
IPC: H04L45/24
Abstract: An aspect of the present invention is a communication path search device that constructs a multicast path of a plurality of nodes connected to a network, the communication path search device including a network device information management unit configured to manage a device specification including constraint information on the number of branches of each of the nodes on the network, a network topology management unit configured to manage link information between the nodes on the network, and a multicast tree calculation unit configured to construct a Steiner tree of a path connecting a start node and an end node based on a new request, an existing request, the constraint information on the number of branches of each of the nodes, constraint information on a maximum number of branches of each of the nodes, and the link information, the new request and the existing request each including start node and end node information.
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公开(公告)号：US20230412299A1
公开(公告)日：2023-12-21
申请号：US18029726
申请日：2020-10-22
Applicant: Nippon Telegraph and Telephone Corporation
Inventor： Takafumi Tanaka , Takuya OHARA , Fumikazu INUZUKA , Takuya ODA , Masayuki SHIMODA
CPC classification number: H04J14/0267 , H04B10/27
Abstract: An optical path design device includes a scheduling unit configured to generate, according to demand information, including information on a frequency bandwidth required for communication between a first node device at a start point of an optical path and a second node device at an end point of an optical path, and including information on a future time zone in which the communication will be executed, allocation content including information on a route connecting the first node device and the second node device and information on a center frequency of the frequency allocated to the communication corresponding to the demand information and determine the start time and the end time of the allocation of the allocation content, and a queue for adjusting a timing of allocation of the allocation content in the future time zone based on the start time and the end time of the allocation in a case where the allocation content cannot be allocated to the communication corresponding to the demand information with the current time as the start time of the allocation.
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公开(公告)号：US20230403220A1
公开(公告)日：2023-12-14
申请号：US18027597
申请日：2020-09-29
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Takuya ODA , Takuya OHARA , Fumikazu INUZUKA , Takafumi TANAKA , Masayuki SHIMODA
IPC: H04L43/0852
CPC classification number: H04L43/0852
Abstract: One aspect of the present invention provides an information processing system in which at least one of a connection between an input/output device and a computing machine or a connection between the computing machine and a central computing machine is made via a network, and a plurality of users uses the same content by using the input/output device via the network, the information processing system including a delay measurement device configured to measure an amount of transmission delay generated between the input/output device and the central computing machine for each of the users, and a delay adjustment device configured to adjust a difference in the amount of transmission delay between the users to be kept within a predetermined value on the basis of the measured amount of transmission delay.
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