公开(公告)号：US11923968B2

公开(公告)日：2024-03-05

申请号：US17565112

申请日：2021-12-29

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: H04J14/08 ,  H04B10/27 ,  H04B10/50

CPC classification number: H04J14/08 ,  H04B10/27 ,  H04B10/50

Abstract: An optical transmission device includes: a signal processor, a first frame generator circuit and a second frame generator circuit. The signal processor accommodates a client signal into one or a plurality of time slot sequences among n time slot sequences. The first frame generator circuit generates a frame including the client signal accommodated into a part of time slot sequences among the n time slot sequences. The second frame generator circuit generates a frame including the client signal accommodated into other time slot sequences among the n time slot sequences. The signal processor accommodates the client signal into the n time slot sequences when the first frame generator circuit and the second frame generator circuit are implemented, and accommodates the client signal into the other time slot sequences when the first frame generator circuit is not implemented and the second frame generator circuit is implemented.

公开(公告)号：US10917350B2

公开(公告)日：2021-02-09

申请号：US16439307

申请日：2019-06-12

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: H04L12/26 ,  H04L12/801 ,  H04L12/24

Abstract: A transmission device includes at least one port, first and second transceivers, and a processor. The first transceiver transmits or receives a frame signal to or from one adjacent node within a ring network including a plurality of nodes. The frame signal includes an overhead and a plurality of slots. The second transceiver transmits or receives a frame signal to or from another adjacent node within the ring network. The processor sets port information to the overhead of a frame signal to be transmitted from the first transceiver. The processor acquires slot information from the overhead of a frame signal received by the first transceiver or the second transceiver based on the port information. The processor sets a received data signal in a slot allocated based on the slot information, among the plurality of slots of a frame signal to be transmitted from the first transceiver or the second transceiver.

公开(公告)号：US10742543B2

公开(公告)日：2020-08-11

申请号：US15993264

申请日：2018-05-30

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: H04L12/703 ,  H04L12/707 ,  H04L12/715

Abstract: A transmission apparatus includes: a switch circuit to hold a first protection path provided for a working path in a first network, a second protection path provided for the working path in a second network, and a bridge path provided between a working apparatus to relay traffic on the working path between the first and second networks and a protection apparatus to relay traffic on the first and second protection paths; and a signal processing unit to, upon reception of a first control signal indicating a failure on the working path from the first network, transmit the first control signal to the working apparatus and control the switch circuit in accordance with a second control signal corresponding to the first control signal received from the working apparatus, wherein the transmission apparatus is the protection apparatus, and is provided on a boundary between the first and second networks.

公开(公告)号：US20220278767A1

公开(公告)日：2022-09-01

申请号：US17565112

申请日：2021-12-29

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: H04J14/08 ,  H04B10/50 ,  H04B10/27

Abstract: An optical transmission device includes: a signal processor, a first frame generator circuit and a second frame generator circuit. The signal processor accommodates a client signal into one or a plurality of time slot sequences among n time slot sequences. The first frame generator circuit generates a frame including the client signal accommodated into a part of time slot sequences among the n time slot sequences. The second frame generator circuit generates a frame including the client signal accommodated into other time slot sequences among the n time slot sequences. The signal processor accommodates the client signal into the n time slot sequences when the first frame generator circuit and the second frame generator circuit are implemented, and accommodates the client signal into the other time slot sequences when the first frame generator circuit is not implemented and the second frame generator circuit is implemented.

公开(公告)号：US20170034043A1

公开(公告)日：2017-02-02

申请号：US15180308

申请日：2016-06-13

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: H04L12/707 ,  H04L12/24

CPC classification number: H04L45/22 ,  H04L41/0654 ,  H04L43/0823 ,  H04L43/10 ,  H04L45/50

Abstract: A detection process of a signal failure based on a reception state for a protection communication path is controlled in response to a routing control for a partial section of work and protection communication paths set between end nodes.

Abstract translation: 响应于部分工作部分的路由控制和在端节点之间设置的保护通信路径，来控制基于用于保护通信路径的接收状态的信号故障的检测处理。

公开(公告)号：US09264283B2

公开(公告)日：2016-02-16

申请号：US13750480

申请日：2013-01-25

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio ,  Toru Katagiri

IPC: H04J1/16 ,  H04L29/02 ,  H04J3/16

CPC classification number: H04L29/02 ,  H04J3/1652 ,  H04J3/1664 ,  H04L69/324

Abstract: For a frame comprising a payload region in which a client signal is to be accommodated, and an overhead region accommodation location information indicating a location where the client signal is to be accommodated, the frame being able to be processed as an m (m is an integer equal to or greater than 2)-byte cycle multiframe, the location information for the frame is defined as an m×n (n is an integer equal to or greater than 2)-byte cycle multiframe; using the location information defined as the multiframe, the location where the client signal is to be accommodated in the payload region is defined; and the client signal is accommodated in the payload region, based on the defined location where the client signal is to be accommodated.

Abstract translation: 对于包括要容纳客户端信号的有效负载区域的帧以及指示要容纳客户端信号的位置的开销区域容纳位置信息，该帧能够被处理为m（m是 整数等于或大于2）字节周期多帧，帧的位置信息被定义为m×n（n是等于或大于2的整数）字节周期多帧; 使用定义为多帧的位置信息，定义客户端信号将被容纳在有效载荷区域中的位置; 并且基于要容纳客户端信号的定义位置，将客户信号容纳在有效载荷区域中。

公开(公告)号：US20140025985A1

公开(公告)日：2014-01-23

申请号：US13888514

申请日：2013-05-07

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: G06F11/20

CPC classification number: G06F11/2002 ,  H04L12/437 ,  H04L2012/421

Abstract: A connection node is included in a connecting part of a plurality of rings in a ring network. The connection node includes a failure detecting unit, an optical-signal processing unit, an ODU switch, and an optical-signal processing unit. The failure detecting unit detects failure in the connecting part. The optical-signal processing unit receives data transmitted from another node on a ring to which the connection node belongs. Upon detection of the failure, the ODU switch determines whether to pass the data or return the data in reverse direction from the connection node depending on a destination to transfer the received data, and sets a transmission path of the data based on a result of the determination. The optical-signal processing unit transfers the data in accordance with the set transmission path.

Abstract translation: 连接节点包括在环形网络中的多个环的连接部分中。 连接节点包括故障检测单元，光信号处理单元，ODU开关和光信号处理单元。 故障检测单元检测连接部件的故障。 光信号处理单元从连接节点所属的环上的另一个节点接收数据。 在检测到故障时，ODU交换机根据传送接收到的数据的目的地确定是否通过数据或从连接节点返回数据，并且根据该结果设置数据的传输路径 决心。 光信号处理单元根据设定的传输路径传送数据。

公开(公告)号：US20180278515A1

公开(公告)日：2018-09-27

申请号：US15993264

申请日：2018-05-30

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: H04L12/703 ,  H04L12/715 ,  H04L12/707

CPC classification number: H04L45/28 ,  H04L45/04 ,  H04L45/22

Abstract: A transmission apparatus includes: a switch circuit to hold a first protection path provided for a working path in a first network, a second protection path provided for the working path in a second network, and a bridge path provided between a working apparatus to relay traffic on the working path between the first and second networks and a protection apparatus to relay traffic on the first and second protection paths; and a signal processing unit to, upon reception of a first control signal indicating a failure on the working path from the first network, transmit the first control signal to the working apparatus and control the switch circuit in accordance with a second control signal corresponding to the first control signal received from the working apparatus, wherein the transmission apparatus is the protection apparatus, and is provided on a boundary between the first and second networks.

公开(公告)号：US10009262B2

公开(公告)日：2018-06-26

申请号：US14859786

申请日：2015-09-21

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: H04L12/703 ,  H04L12/707 ,  H04L12/715

CPC classification number: H04L45/28 ,  H04L45/04 ,  H04L45/22

Abstract: A transmission apparatus includes: a switch circuit to hold a first protection path provided for a working path in a first network, a second protection path provided for the working path in a second network, and a bridge path provided between a working apparatus to relay traffic on the working path between the first and second networks and a protection apparatus to relay traffic on the first and second protection paths; and a signal processing unit to, upon reception of a first control signal indicating a failure on the working path from the first network, transmit the first control signal to the working apparatus and control the switch circuit in accordance with a second control signal corresponding to the first control signal received from the working apparatus, wherein the transmission apparatus is the protection apparatus, and is provided on a boundary between the first and second networks.

公开(公告)号：US20160119221A1

公开(公告)日：2016-04-28

申请号：US14847274

申请日：2015-09-08

Applicant: FUJITSU LIMITED

Inventor： Yuji Tochio

IPC: H04L12/751 ,  H04J3/16 ,  H04Q11/00 ,  H04L12/721

CPC classification number: H04L45/02 ,  H04J3/1652 ,  H04L45/26 ,  H04L49/10 ,  H04Q11/0066 ,  H04Q2011/0064 ,  H04Q2011/0073 ,  H04Q2011/0077

Abstract: A transmission device is located between a first node and a second node in a multi-layer network in which a path message is transmitted from the first node to the second node and a response message corresponding to the path message is transmitted from the second node to the first node. A transmission device includes: an upper layer switch that processes traffic in the upper layer; a lower layer switch that processes traffic in a lower layer; and a signaling processor that processes the path message and the response message. The signaling processor transmits a message for establishing a path in the lower layer to a node represented by node information added to the response message received from an adjacent node on a downstream side when the lower layer switch is not connected to a lower layer switch of an adjacent node on an upstream side.

Abstract translation: 传输设备位于多层网络中的第一节点和第二节点之间，其中路径消息从第一节点发送到第二节点，并且与路径消息对应的响应消息从第二节点发送到 第一个节点。 传输设备包括：上层交换机，其处理上层的业务; 处理较低层流量的下层交换机; 以及处理路径消息和响应消息的信令处理器。 信令处理器在低层交换机未连接到下层交换机的下层交换机时，向下游侧发送用于建立下层路径的消息到由添加到从下游侧的相邻节点接收的响应消息中的节点信息表示的节点 上游侧的相邻节点。