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公开(公告)号：US09307303B2
公开(公告)日：2016-04-05
申请号：US14616345
申请日：2015-02-06
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yi Lin , Xiaobing Zi
IPC: H04Q11/00 , H04J3/00 , H04J3/16 , H04L12/927
CPC classification number: H04Q11/0066 , H04J3/1652 , H04J3/1664 , H04L45/50 , H04L47/80 , H04Q2011/0077 , H04Q2011/0086
Abstract: The present invention discloses a method and system for communication. The method includes: according to a network resource and a signal type of a label switched path to be established, generating, by a first optical communication device, a label indicating that a first optical channel data unit is multiplexed to a second optical channel data unit, wherein the label comprises a tributary slot assignment indication field indicating a tributary slot occupied in the second optical channel data unit, and a length of the tributary slot assignment indication field is equal to the number of tributary slots of the second optical channel data unit; sending the label to a second optical communication device; obtaining, by the second optical communication device, the label; and multiplexing, by the second optical communication device, the first optical channel data unit to the second optical channel data unit based on the label.
Abstract translation: 本发明公开了一种通信方法和系统。 该方法包括：根据要建立的网络资源和标签交换路径的信号类型，由第一光通信设备生成指示第一光信道数据单元被复用到第二光信道数据单元的标签 其中，所述标签包括指示在所述第二光信道数据单元中占用的支路时隙的分支时隙分配指示字段，并且所述支路时隙分配指示字段的长度等于所述第二光信道数据单元的支路时隙数; 将标签发送到第二光通信设备; 通过第二光通信设备获得标签; 并且通过第二光通信设备将第一光通道数据单元基于标签复用到第二光通道数据单元。
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公开(公告)号：US11855806B2
公开(公告)日：2023-12-26
申请号：US17479797
申请日：2021-09-20
Applicant: Huawei Technologies Co., Ltd.
Inventor： Italo Busi , Yi Lin , Jia He
CPC classification number: H04L12/4641 , H04L47/28 , H04Q11/0067
Abstract: A network node for a Data Communication Network (DCN) and a network device for providing traffic to the DCN are provided. The network node is configured to receive a plurality of packets carrying DCN messages; determine, from the received packets, a first set of packets addressed to other network nodes of the DCN. The network node is then configured to forward the first set of packets over a Time-Division-Multiplexing (TDM) connection, in particular over an Optical Data Unit-k (ODUk) connection, to a determined network node of the DCN. According to the application, a high bandwidth efficiency is maintained, and the number of interfaces to be managed on a controller is reduced.
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公开(公告)号：US10805209B2
公开(公告)日：2020-10-13
申请号：US15785935
申请日：2017-10-17
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L12/703 , H04L12/715 , H04L12/24 , H04L12/751 , H04L12/707 , H04L12/931 , H04L29/14 , H04L12/46 , H04L12/26 , H04L12/713
Abstract: Embodiments of the present disclosure provide a virtual network protection method, including: receiving, by a network device (for example, a transport-controller), a virtual network topology establishment request message, where the virtual network topology establishment request message carries a virtual network resource parameter and/or a virtual network protection and recovery type; reserving a working physical resource and a protection physical resource in an idle physical resource of a physical network according to the virtual network resource parameter and/or the virtual network protection and recovery type; and mapping a virtual link on a virtual network to the working physical resource and the protection physical resource.
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公开(公告)号：US10659345B2
公开(公告)日：2020-05-19
申请号：US15058783
申请日：2016-03-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Gang Li , Yi Lin , Jianrui Han
IPC: H04L12/707 , H04L12/703 , H04L12/721 , H04L12/755 , H04B1/00 , H04L12/24 , H04L29/08
Abstract: Embodiments of the present invention provide a service path protection method, a controller, a device and a system. The method includes: receiving, by an end node of a protection path, a path selection instruction sent by an SDN controller, wherein the path selection instruction comprises a service path and protection path activation type, forwarding relationships respectively of a service path and the protection path in the end node; activating at least one forwarding relationship according to the service path and protection path activation type; and when a fault occurs in the service path, updating the at least one forwarding relationship according to the service path and protection path activation type. The embodiments of the present invention relate to the field of communications technologies and resolve a problem that in an SDN technology, when a fault occurs in a service path, a protection path cannot be used.
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公开(公告)号：US10374935B2
公开(公告)日：2019-08-06
申请号：US15166896
申请日：2016-05-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Lin
IPC: H04L12/28 , H04L12/751 , H04L12/723 , H04L12/715 , H04L12/24 , H04L12/26
Abstract: The present invention provides a link discovery method. In the method, a first controller sends a first message to a first node, and the first node receives the first message, and sends the second link discovery packet from a first port to the second node; the second node receives the second link discovery packet at a second port, and sends a second message to the second controller according to the label, where the second message carries the second link discovery packet and an identifier of the second port; and the second controller receives the second message, extracts an identifier of the first port in the first link discovery packet and the identifier of the second port in the second message, and determines that a link exists between the first port of the first node and the second port of the second node.
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Patent Agency Ranking
公开(公告)号：US09419831B2
公开(公告)日：2016-08-16
申请号：US14227978
申请日：2014-03-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianhui Hou , Jun Li , Yi Lin , Fujun Gao
CPC classification number: H04L27/0008 , H04L5/1453
Abstract: The present invention provides a method and modem for adjusting a modulation mode. In embodiments of the present invention, a first modem generates indication information according to a current working first modulation mode, so that the first modem can send the indication information to a second modem through a data frame. Therefore, the second modem adjusts a current working second modulation mode of the second modem according to the indication information, so that the adjusted second modulation mode is consistent with the first modulation mode. Therefore, the problem of complex operations in the prior art, caused by that an operator configures a modulation mode of a second modem as a current working modulation mode of a peer modem, that is, a first modem, can be avoided, and efficiency of network deployment can be improved.
Abstract translation: 本发明提供一种用于调整调制方式的方法和调制解调器。 在本发明的实施例中，第一调制解调器根据当前工作的第一调制方式生成指示信息，使得第一调制解调器可以通过数据帧向第二调制解调器发送指示信息。 因此，第二调制解调器根据指示信息调整第二调制解调器的当前工作的第二调制方式，使得调整后的第二调制方式与第一调制方式一致。 因此，由于操作者将第二调制解调器的调制模式配置为可以避免对等调制解调器的当前工作调制模式（即，第一调制解调器）而导致的现有技术中的复杂操作的问题，以及效率 可以改善网络部署。
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公开(公告)号：US12177118B2
公开(公告)日：2024-12-24
申请号：US18189401
申请日：2023-03-24
Applicant: Huawei Technologies Co., Ltd.
Abstract: Embodiments of this application provide a data frame sending method and a network device. The method includes: A first node obtains routing label stack information of a first path, where the first path is used to transmit a service, and the routing label stack information indicates each node on the first path to establish a channel of the service on the node of the first path. The first node inserts the routing label stack information and service attribute information into a payload area of a first data frame, where the service attribute information indicates each node on the first path to configure a resource for the service. The first node sends the first data frame.
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公开(公告)号：US10892943B2
公开(公告)日：2021-01-12
申请号：US15784986
申请日：2017-10-16
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L12/24 , H04L12/703 , H04L12/911 , H04L12/715 , H04L12/707
Abstract: A failure recovery method for a virtual network, includes determining, by a network device, that a physical link in a physical network fails, where the failed physical link corresponds to at least one virtual link in the virtual network, and mapping the at least one virtual link corresponding to the failed physical link to a non-failed physical resource in the physical network, where the non-failed physical resource satisfies a transmission bandwidth of each of the at least one virtual link.
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公开(公告)号：US10084695B2
公开(公告)日：2018-09-25
申请号：US14925757
申请日：2015-10-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Lin
IPC: H04L12/717 , H04L12/723 , H04L12/24 , H04L12/741 , H04L12/751 , H04L29/08
CPC classification number: H04L45/42 , H04L41/00 , H04L45/02 , H04L45/54 , H04L69/326
Abstract: Embodiments of the present invention provide a transport network control method, a controller, and a node. The method includes: receiving, by a controller, a control request message of a path; determining, according to topology information of a transport network and an atomic behavior that is supported by each node in the transport network, at least one node that the path passes through in the transport network and at least one atomic behavior that the at least one node needs to execute; and sending a path configuration message that includes the atomic behavior to the at least one node correspondingly, so that each node configures a transport plane to execute the atomic behavior included in the message.
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公开(公告)号：US20180041380A1
公开(公告)日：2018-02-08
申请号：US15784986
申请日：2017-10-16
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L12/24 , H04L12/911
CPC classification number: H04L41/0654 , H04L41/065 , H04L41/0659 , H04L41/0677 , H04L45/22 , H04L45/28 , H04L45/64 , H04L47/746
Abstract: A failure recovery method for a virtual network, includes determining, by a network device, that a physical link in a physical network fails, where the failed physical link corresponds to at least one virtual link in the virtual network, and mapping the at least one virtual link corresponding to the failed physical link to a non-failed physical resource in the physical network, where the non-failed physical resource satisfies a transmission bandwidth of each of the at least one virtual link.
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