公开(公告)号：US09641916B2

公开(公告)日：2017-05-02

申请号：US14853445

申请日：2015-09-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyun Chen ,  Huiyu Zhou ,  Jianying Wei

IPC: H04Q11/00 ,  H04L12/64 ,  H04J3/16

CPC classification number: H04Q11/0003 ,  H04J3/1652 ,  H04J2203/0085 ,  H04L12/6418 ,  H04Q11/0062 ,  H04Q2011/0064 ,  H04Q2011/0088

Abstract: The present invention relates to the field of communication transmission, and in particular, discloses an optical channel data unit service transmission apparatus and method. The switching apparatus includes a first ODU service processing unit, a timeslot allocating unit, a switching output port allocating unit, an Ethernet switching unit, and a second ODU service processing unit, and forwards an ODU service according to a timeslot mapping table and a frame period timeslot table corresponding to the ODU service.

公开(公告)号：US20160127072A1

公开(公告)日：2016-05-05

申请号：US14757592

申请日：2015-12-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyun Chen ,  Xing Hu

IPC: H04J14/02 ,  H04B10/27

CPC classification number: H04J14/0263 ,  H04B10/27 ,  H04J3/1652

Abstract: Embodiments of the present invention provide a method and an apparatus for increasing and decreasing variable optical channel bandwidth. The method for increasing includes: sending a higher order optical channel data unit (HO ODU) frame to which a timeslot increase indication is added to a second NE; starting from a next HO ODU frame, mapping, by an NE, a bit stream formed by a flexible optical transport data unit (ODUflex) bit stream at a first rate and an idle data bit stream to Y timeslots of the HO ODU frame; sending an ODUflex frame to which a rate increase indication is added to the second NE; and starting from a next ODUflex frame, mapping an ODUflex bit stream at a second rate to the Y timeslots of the HO ODU frame.

Abstract translation: 本发明的实施例提供了一种用于增加和减少可变光信道带宽的方法和装置。 增加的方法包括：向第二NE发送添加了时隙增加指示的更高阶光信道数据单元（HO ODU）帧; 从下一个HO ODU帧开始，通过NE将由第一速率的柔性光传输数据单元（ODUflex）比特流和空闲数据比特流形成的比特流映射到HO ODU帧的Y个时隙; 发送一个向第二个NE添加速率增加指示的ODUflex帧; 并从下一个ODUflex帧开始，将ODUflex比特流以第二速率映射到HO ODU帧的Y个时隙。

公开(公告)号：US08971317B2

公开(公告)日：2015-03-03

申请号：US13930807

申请日：2013-06-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyun Chen ,  Xing Hu ,  Jianlin Zhou

IPC: H04L12/947 ,  H04L12/937 ,  H04L12/931

CPC classification number: H04L49/25 ,  H04L49/253 ,  H04L49/50

Abstract: Embodiments of the present disclosure disclose a method for controlling data stream switch and a relevant equipment. The method includes: obtaining bandwidth demand information of a data stream; calculating a BWM according to the bandwidth demand information, the physical bandwidth of at least one ingress port and at least one egress port of the data stream, and TDM service bandwidth information; performing sequencing on entries of the BWM, to obtain a bandwidth sequencing information table; performing cell even sequencing processing on the data stream according to the bandwidth sequencing information table, to obtain a cell table; and controlling, sending of cells of the data stream according to the cell table. Through the solutions provided, processing complexity may be effectively reduced, the problem of scale limitation on a bufferless switch structure is solved, and meanwhile, a delay jitter during switch processing is also decreased.

Abstract translation: 本公开的实施例公开了一种用于控制数据流切换的方法和相关设备。 该方法包括：获得数据流的带宽需求信息; 根据带宽需求信息计算BWM，至少一个入口端口和数据流的至少一个出口端口的物理带宽，以及TDM业务带宽信息; 对BWM的条目执行排序，以获得带宽排序信息表; 根据带宽排序信息表对数据流执行单元均匀排序处理，以获得单元格表; 以及根据小区表控制，发送数据流的小区。 通过提供的解决方案，可以有效降低处理复杂度，解决了无缓冲开关结构的规模限制问题，同时也减少了开关处理过程中的延迟抖动。

公开(公告)号：US20160007103A1

公开(公告)日：2016-01-07

申请号：US14853445

申请日：2015-09-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyun Chen ,  Huiyu Zhou ,  Jianying Wei

IPC: H04Q11/00

CPC classification number: H04Q11/0003 ,  H04J3/1652 ,  H04J2203/0085 ,  H04L12/6418 ,  H04Q11/0062 ,  H04Q2011/0064 ,  H04Q2011/0088

Abstract: The present invention relates to the field of communication transmission, and in particular, discloses an optical channel data unit service transmission apparatus and method. The switching apparatus includes a first ODU service processing unit, a timeslot allocating unit, a switching output port allocating unit, an Ethernet switching unit, and a second ODU service processing unit, and forwards an ODU service according to a timeslot mapping table and a frame period timeslot table corresponding to the ODU service.

Abstract translation: 本发明涉及通信传输领域，特别是公开了一种光信道数据单元业务传输装置和方法。 交换装置包括：第一ODU业务处理单元，时隙分配单元，交换输出端口分配单元，以太网交换单元和第二ODU业务处理单元，根据时隙映射表和帧 对应于ODU服务的周期时隙表。

公开(公告)号：US20140133857A1

公开(公告)日：2014-05-15

申请号：US14158427

申请日：2014-01-17

Applicant: Huawei Technologies Co., LTD

Inventor： Huiyu Zhou ,  Teng Ma ,  Kun Huang ,  Zhiyun Chen

IPC: H04B10/27

CPC classification number: H04B10/27 ,  H04B10/272 ,  H04B10/29 ,  H04J3/1694

Abstract: A method, device and system for implementing a long reach passive optical network are provided. Uplink optical burst packets are transmitted by an optical network unit. The uplink optical burst packets are converted into an electrical signal and then a continuous optical signal. The continuous optical signal is transmitted to a receiving device.

Abstract translation: 提供了一种用于实现长距离无源光网络的方法，设备和系统。 上行光突发数据包由光网络单元传输。 上行链路光突发数据包被转换为电信号，然后转换成连续的光信号。 连续的光信号被传送到接收装置。

公开(公告)号：US10218455B2

公开(公告)日：2019-02-26

申请号：US14757592

申请日：2015-12-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyun Chen ,  Xing Hu

IPC: H04J14/00 ,  H04J14/02 ,  H04J3/16 ,  H04B10/27

Abstract: Embodiments of the present invention provide a method and an apparatus for increasing and decreasing variable optical channel bandwidth. The method for increasing includes: sending a higher order optical channel data unit (HO ODU) frame to which a timeslot increase indication is added to a second NE; starting from a next HO ODU frame, mapping, by an NE, a bit stream formed by a flexible optical transport data unit (ODUflex) bit stream at a first rate and an idle data bit stream to Y timeslots of the HO ODU frame; sending an ODUflex frame to which a rate increase indication is added to the second NE; and starting from a next ODUflex frame, mapping an ODUflex bit stream at a second rate to the Y timeslots of the HO ODU frame.

公开(公告)号：US09219547B2

公开(公告)日：2015-12-22

申请号：US14158427

申请日：2014-01-17

Applicant: Huawei Technologies Co., LTD

Inventor： Huiyu Zhou ,  Teng Ma ,  Kun Huang ,  Zhiyun Chen

IPC: H04J14/00 ,  H04B10/27 ,  H04B10/272 ,  H04B10/29 ,  H04J3/16

CPC classification number: H04B10/27 ,  H04B10/272 ,  H04B10/29 ,  H04J3/1694

Abstract: A method, device and system for implementing a long reach passive optical network are provided. Uplink optical burst packets are transmitted by an optical network unit. The uplink optical burst packets are converted into an electrical signal and then a continuous optical signal. The continuous optical signal is transmitted to a receiving device.

Abstract translation: 提供了一种用于实现长距离无源光网络的方法，设备和系统。 上行光突发数据包由光网络单元传输。 上行链路光突发数据包被转换为电信号，然后转换成连续的光信号。 连续的光信号被传送到接收装置。

公开(公告)号：US20150200856A1

公开(公告)日：2015-07-16

申请号：US14668621

申请日：2015-03-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xing Hu ,  Xiaojun Shen ,  Zhiyun Chen

IPC: H04L12/803 ,  H04L12/26 ,  H04L12/801

CPC classification number: H04L47/122 ,  H04L43/0876 ,  H04L43/0894 ,  H04L47/10 ,  H04L47/11 ,  H04L47/263 ,  Y02D50/10

Abstract: A traffic control method and device are provided. The method includes receiving traffic monitoring information of a first service flow reported by a reaction point RP; when a congestion state of a first service flow of a congestion point CP satisfies a congestion condition, determining a reaction point RP needing traffic adjustment from a designated reaction point RP according to the received traffic monitoring information, and calculating, according to the traffic monitoring information, a new traffic value of a first service flow of each of the reaction point RP needing traffic adjustment; sending each calculated new traffic value of a first service flows to a corresponding reaction point RP needing traffic adjustment, so that the reaction point RP performs traffic control on the first service flow of the reaction point RP according to the new traffic value.

Abstract translation: 提供交通控制方法和装置。 该方法包括：接收由反应点RP报告的第一业务流的流量监控信息; 当拥塞点CP的第一服务流的拥塞状态满足拥塞状况时，根据接收到的流量监视信息从指定的反应点RP确定需要进行流量调整的反应点RP，并根据流量监控信息 每个反应点RP的第一个服务流的新流量值需要流量调整; 将每个计算出的第一个服务的新流量值发送到需要流量调整的相应的反应点RP，使得反应点RP根据新的流量值对反应点RP的第一个服务流进行流量控制。

公开(公告)号：US09998378B2

公开(公告)日：2018-06-12

申请号：US14668621

申请日：2015-03-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xing Hu ,  Xiaojun Shen ,  Zhiyun Chen

IPC: H04L12/801 ,  H04L12/26 ,  H04L12/851 ,  H04L12/803 ,  H04L12/825

CPC classification number: H04L47/122 ,  H04L43/0876 ,  H04L43/0894 ,  H04L47/10 ,  H04L47/11 ,  H04L47/263 ,  Y02D50/10

Abstract: A traffic control method and device are provided. The method includes receiving traffic monitoring information of a first service flow reported by a reaction point RP; when a congestion state of a first service flow of a congestion point CP satisfies a congestion condition, determining a reaction point RP needing traffic adjustment from a designated reaction point RP according to the received traffic monitoring information, and calculating, according to the traffic monitoring information, a new traffic value of a first service flow of each of the reaction point RP needing traffic adjustment; sending each calculated new traffic value of a first service flows to a corresponding reaction point RP needing traffic adjustment, so that the reaction point RP performs traffic control on the first service flow of the reaction point RP according to the new traffic value.

公开(公告)号：US09532119B2

公开(公告)日：2016-12-27

申请号：US14855320

申请日：2015-09-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhiyun Chen ,  Huiyu Zhou ,  Xing Hu

IPC: H04Q11/00 ,  H04J3/06 ,  H04J3/16

CPC classification number: H04Q11/0003 ,  H04J3/0658 ,  H04J3/1652 ,  H04Q11/0005 ,  H04Q11/0066 ,  H04Q2011/0045 ,  H04Q2011/0086

Abstract: The present invention discloses an apparatus and a method for transporting an ODU service. The transport apparatus includes a first ODU service processing unit, a timeslot allocation unit, a switching output port allocation unit, an Ethernet switching unit, and a second ODU service processing unit, where a table of a mapping between output ports of the first ODU service processing unit and timeslots is determined according to a rate of an ODUflex frame carried in an obtained ODU service and the number of the output ports of the first ODU service processing unit, and the ODU service is forwarded, which resolves a problem in the prior art that an ODUflex frame cannot be transported by using the Ethernet switching unit, thereby ensuring that service congestion does not occur on a forwarding port of a sending apparatus, and improving transmission quality of a communications network.

Abstract translation: 本发明公开了一种用于传送ODU服务的装置和方法。 该传输装置包括第一ODU服务处理单元，时隙分配单元，切换输出端口分配单元，以太网交换单元和第二ODU服务处理单元，其中，第一ODU服务的输出端口之间的映射表 处理单元和时隙根据所获得的ODU业务中携带的ODUflex帧的速率和第一ODU业务处理单元的输出端口数量和ODU业务转发来确定，这解决了现有技术中的问题 通过使用以太网交换单元不能传输ODUflex帧，从而确保在发送装置的转发端口不发生业务拥塞，并提高通信网络的传输质量。