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    COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND PROGRAM
    5.
    发明公开
    COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND PROGRAM 审中-实审

    公开(公告)号：EP4366263A1

    公开(公告)日：2024-05-08

    申请号：EP21948244.5

    申请日：2021-06-28

    申请人： Nippon Telegraph And Telephone Corporation

    发明人： ODA Takuya ,  OHARA Takuya ,  INUZUKA Fumikazu ,  HIGASHIMORI Katsuaki ,  SHINTAKU Kengo

    IPC分类号： H04L45/00

    CPC分类号： H04L41/0816 ,  H04L41/40

    摘要： A communication system is a communication system that includes: a plurality of transmission devices; a setting server that receives an instruction to change data related to setting of a data network; and a control server that performs a control process related to the plurality of transmission devices and the data network on a basis of the data. In the communication system, a setting processing unit is provided to perform a process for constructing a customer control network between a first transmission device and the setting server by using a second transmission device as a relay device, when the first transmission device and the second transmission device are connected by an optical transmission line. The first transmission device includes: a connection processing unit that performs a process for constructing a control network between the first transmission device and the control server by using the second transmission device as a relay device, when the first transmission device and the second transmission device are connected by the optical transmission line; and a device control unit that performs a process for constructing the data network for the first transmission device by using the second transmission device as a relay device, when the first transmission device and the second transmission device are connected by the optical transmission line.

    COMMUNICATION SYSTEM AND CONNECTOR
    8.
    发明公开
    COMMUNICATION SYSTEM AND CONNECTOR 审中-公开

    公开(公告)号：EP3364568A1

    公开(公告)日：2018-08-22

    申请号：EP16868565.9

    申请日：2016-11-22

    申请人： Nippon Telegraph and Telephone Corporation

    发明人： ODA Takuya ,  INUI Tetsuro ,  HIRANO Akira ,  IMAJUKU Wataru ,  KOBAYASHI Shoukei ,  TANAKA Takafumi ,  MIYAMOTO Yutaka ,  TAKARA Hidehiko

    IPC分类号： H04B10/27 ,  G02B6/26

    摘要： A communication system includes three or more nodes and a multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of the connection between the nodes is provided. One node of the nodes is connected to the multi-core fiber and includes a connector configured to add and drop a signal to and from an allocated core exclusively allocated from among the cores as a communication path between the one node and another node of the nodes and/or configured to relay a signal transmitted through another core of the cores allocated for communication between other nodes in the multi-core fiber connected to the one node, and a relative positional relationship between a connection position of the allocated core in which a signal is added or dropped in the connector and a connection position of another core in which a signal is relayed in the connector is the same for all of the nodes connected to the multi-core fiber.