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公开(公告)号：US09912586B2
公开(公告)日：2018-03-06
申请号：US15185982
申请日：2016-06-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chaowa Qiu , Li Xue , Changbao Liu , Wei Cao
IPC: H04L12/721 , H04L12/707 , H04L12/703 , H04L12/723 , H04L12/741
CPC classification number: H04L45/68 , H04L45/22 , H04L45/28 , H04L45/50 , H04L45/745
Abstract: A method, a system, and a device for establishing a pseudo wire are disclosed. The method includes: receiving, by a switching provider edge at a bifurcation position, a label mapping message, obtaining information of the switching provider edge at the bifurcation position and information of at least two next hops or outgoing interfaces of the switching provider edge through parsing, comparing the information of the switching provider edge at the bifurcation position with information of a local device, and if the information of the switching provider edge at the bifurcation position matches with the information of the local device, establishing at least two pseudo wires from the switching provider edge according to the information of at least two next hops or outgoing interfaces.
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公开(公告)号：US09001832B2
公开(公告)日：2015-04-07
申请号：US14218019
申请日：2014-03-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Cao , Mingming Zhu
IPC: H04L12/28 , H04L12/741 , H04L12/46 , H04L12/701 , H04L12/723 , H04L12/721
CPC classification number: H04L45/74 , H04L12/4633 , H04L45/00 , H04L45/50 , H04L45/68 , H04L2212/00
Abstract: A method for establishment a pseudo wire (PW) is disclosed, including: receiving a first label mapping (LM) message, where the first LM message carries a PW ID, PW parameters, and label switching path (LSP) tunnel information that are selected by the sender of the first LM message; matching a local PW according to the PW ID; performing parameter negotiation of the local PW according to the PW parameters; matching a local tunnel according to the LSP tunnel information; binding the local tunnel and the local PW when the matching between the PW ID and the LSP tunnel information is successful; and establishing a PW when the parameter negotiation is successful. A device and system for establishing a PW are also disclosed. With the present invention, a PW service is associated with an LSP tunnel to improve the reliability of the information transmission process.
Abstract translation: 公开了一种用于建立伪线（PW）的方法，包括：接收第一标签映射（LM）消息，其中第一LM消息携带选择的PW ID，PW参数和标签交换路径（LSP）隧道信息 由第一LM消息的发送者发送; 根据PW ID匹配本地PW; 根据PW参数进行本地PW的参数协商; 根据LSP隧道信息匹配本地隧道; 当PW ID和LSP隧道信息匹配成功时，绑定本地隧道和本地PW; 并在参数协商成功时建立PW。 还公开了一种用于建立PW的设备和系统。 利用本发明，PW服务与LSP隧道相关联，以提高信息传输过程的可靠性。
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公开(公告)号：US20140198797A1
公开(公告)日：2014-07-17
申请号：US14218019
申请日：2014-03-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Cao , Mingming Zhu
IPC: H04L12/741 , H04L12/723
CPC classification number: H04L45/74 , H04L12/4633 , H04L45/00 , H04L45/50 , H04L45/68 , H04L2212/00
Abstract: A method for establishment a pseudo wire (PW) is disclosed, including: receiving a first label mapping (LM) message, where the first LM message carries a PW ID, PW parameters, and label switching path (LSP) tunnel information that are selected by the sender of the first LM message; matching a local PW according to the PW ID; performing parameter negotiation of the local PW according to the PW parameters; matching a local tunnel according to the LSP tunnel information; binding the local tunnel and the local PW when the matching between the PW ID and the LSP tunnel information is successful; and establishing a PW when the parameter negotiation is successful. A device and system for establishing a PW are also disclosed. With the present invention, a PW service is associated with an LSP tunnel to improve the reliability of the information transmission process.
Abstract translation: 公开了一种用于建立伪线（PW）的方法，包括：接收第一标签映射（LM）消息，其中第一LM消息携带选择的PW ID，PW参数和标签交换路径（LSP）隧道信息 由第一LM消息的发送者发送; 根据PW ID匹配本地PW; 根据PW参数进行本地PW的参数协商; 根据LSP隧道信息匹配本地隧道; 当PW ID和LSP隧道信息匹配成功时，绑定本地隧道和本地PW; 并在参数协商成功时建立PW。 还公开了一种用于建立PW的设备和系统。 利用本发明，PW服务与LSP隧道相关联，以提高信息传输过程的可靠性。
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公开(公告)号：US20140185462A1
公开(公告)日：2014-07-03
申请号：US14198095
申请日：2014-03-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xinchun Guo , Wei Cao , Guoyi Chen
CPC classification number: H04L43/0823 , H04L41/0631 , H04L41/0677 , H04L41/0681 , H04L43/0811 , H04L43/10 , H04L45/28
Abstract: A troubleshooting method includes sending a forward detection message to at least one node on a path to be detected. The forward detection message carries information about a forward path to be detected and information about a backward path to be detected. Faults are detected according to a backward detection message returned by the at least one node.
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公开(公告)号：US20140185459A1
公开(公告)日：2014-07-03
申请号：US14198117
申请日：2014-03-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xinchun Guo , Wei Cao , Guoyi Chen
IPC: H04L12/26
CPC classification number: H04L43/0823 , H04L41/0631 , H04L41/0677 , H04L41/0681 , H04L43/0811 , H04L43/10 , H04L45/28
Abstract: A troubleshooting method includes sending a forward detection message to at least one node on a path to be detected. The forward detection message carries information about a forward path to be detected and information about a backward path to be detected. Faults are detected according to a backward detection message returned by the at least one node.
Abstract translation: 故障排除方法包括将正向检测消息发送到要检测的路径上的至少一个节点。 前向检测消息携带有关要检测的前向路径的信息和关于要检测的后向路径的信息。 根据由至少一个节点返回的反向检测消息来检测故障。
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Patent Agency Ranking
公开(公告)号：US20200295760A1
公开(公告)日：2020-09-17
申请号：US16887901
申请日：2020-05-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yuzhen Zhou , Wei Cao , Jun Feng , Yunbin Tao
IPC: H03K19/0185 , H03K19/003
Abstract: An interface circuit includes a phase inverter. An input end of the phase inverter is connected to a signal output end of a first power domain circuit, and an output end of the phase inverter is connected to a signal input end of a second power domain circuit. A power end of the phase inverter is connected to a power supply of the first power domain circuit, and a ground end of the phase inverter is connected to a reference ground of the second power domain circuit. Alternatively, a power end of the phase inverter is connected to a power supply of the second power domain circuit, and a ground end of the phase inverter is connected to a reference ground of the first power domain circuit.
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17.发明申请公开(公告)号：US20150358221A1
公开(公告)日：2015-12-10
申请号：US14830381
申请日：2015-08-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xinchun Guo , Guoyi Chen , Jian Li , Wei Cao , Li Xue , Jihong Mei , Zhanbin Wang
IPC: H04L12/26 , H04L12/24 , H04L12/741 , H04L12/46 , H04L12/721
CPC classification number: H04L43/08 , H04L12/4633 , H04L41/5009 , H04L43/0829 , H04L43/0835 , H04L43/0852 , H04L43/0858 , H04L43/0864 , H04L43/087 , H04L43/10 , H04L43/50 , H04L45/26 , H04L45/70 , H04L45/74
Abstract: Embodiments of the present application provide a method for measuring performance of multi-service in a tunnel, including: receiving a measurement message corresponding to a service packet, where a priority of the measurement message is the same as that of the service packet, and the measurement message includes at least one of the three: a packet loss measurement parameter, a delay measurement parameter, and a jitter measurement parameter; and measuring performance of a service in a tunnel according to a measurement parameter in the measurement message. According to the embodiments of the present application, a problem that performance measurement cannot be performed for different services transmitted in a tunnel in the prior art may be solved.
Abstract translation: 本申请的实施例提供了一种用于测量隧道中多业务性能的方法，包括：接收与业务分组相对应的测量消息，其中测量消息的优先级与业务分组的优先级相同， 测量消息包括三个中的至少一个：分组丢失测量参数，延迟测量参数和抖动测量参数; 并根据测量消息中的测量参数来测量隧道中业务的性能。 根据本申请的实施例，可以解决现有技术中在隧道中发送的不同业务不能执行性能测量的问题。
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公开(公告)号：US20150131672A1
公开(公告)日：2015-05-14
申请号：US14604255
申请日：2015-01-23
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L12/721 , H04L12/751
Abstract: A method, a device and a system for establishing a Pseudo Wire (PW) are provided. The method includes: receiving, by a switching node, a control message; constructing a first control message according the first FEC information and the routing information in the control message, and sending the first control message to a second terminal node; constructing, by the second terminal node, a second control message, where the second control message includes the second FEC information and the second routing information, and the second FEC information carries identification information of the first terminal node; and sending the second control message to the switching node. In the method, it is unnecessary to manually configure a PW routing table on the switching node or establish a PW routing table dynamically through a routing protocol, and it is unnecessary to configure mapping relations between PW segments manually. This method achieves robust maintenance.
Abstract translation: 提供了一种用于建立伪线（PW）的方法，装置和系统。 该方法包括：由交换节点接收控制消息; 根据控制消息中的第一FEC信息和路由信息构建第一控制消息，并将第一控制消息发送到第二终端节点; 由所述第二终端节点构造第二控制消息，其中所述第二控制消息包括所述第二FEC信息和所述第二路由信息，并且所述第二FEC信息携带所述第一终端节点的识别信息; 以及将所述第二控制消息发送到所述交换节点。 在该方法中，不需要在交换节点上手动配置PW路由表，也可以通过路由协议动态建立PW路由表，而不需要手工配置PW段之间的映射关系。 该方法实现了强大的维护。
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公开(公告)号：US08823437B2
公开(公告)日：2014-09-02
申请号：US13754524
申请日：2013-01-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Cao , Jindi Zhang , Yingyan Shan
CPC classification number: H03B21/02 , G06F1/06 , G06F1/08 , H03K21/023 , H03K21/12 , H03K21/38 , H03K23/54 , H03L7/0995 , H03L7/0998 , H03L7/18
Abstract: Embodiments of the present invention provide a clock signal generator, and the clock signal generator is applied to a physical layer subsystem supporting data transmission at multiple baud rates. The clock signal generator includes: a source clock signal generator, and two or more processors connected to an output end of the source clock signal generator; where the source clock signal generator outputs multiple source clock signals with the same frequency according to a reference signal of a reference clock in the subsystem; the processors perform frequency dividing processing on the multiple source clock signals through a digital logic circuit according to an oversampling technology, to obtain a synchronous clock signal corresponding to a baud rate of data transmission in the subsystem, so as to implement timing and transceiving functions when data is transmitted at the baud rate.
Abstract translation: 本发明的实施例提供一种时钟信号发生器，并且时钟信号发生器被应用于以多个波特率支持数据传输的物理层子系统。 时钟信号发生器包括：源时钟信号发生器和连接到源时钟信号发生器输出端的两个或多个处理器; 其中源时钟信号发生器根据子系统中的参考时钟的参考信号输出具有相同频率的多个源时钟信号; 处理器通过数字逻辑电路根据过采样技术对多源时钟信号进行分频处理，以获得与子系统中数据传输的波特率相对应的同步时钟信号，以便实现定时和收发功能， 数据以波特率传输。
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公开(公告)号：US20130278302A1
公开(公告)日：2013-10-24
申请号：US13754524
申请日：2013-01-30
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Wei Cao , Jindi Zhang , Yingyan Shan
IPC: H03B21/02
CPC classification number: H03B21/02 , G06F1/06 , G06F1/08 , H03K21/023 , H03K21/12 , H03K21/38 , H03K23/54 , H03L7/0995 , H03L7/0998 , H03L7/18
Abstract: Embodiments of the present invention provide a clock signal generator, and the clock signal generator is applied to a physical layer subsystem supporting data transmission at multiple baud rates. The clock signal generator includes: a source clock signal generator, and two or more processors connected to an output end of the source clock signal generator; where the source clock signal generator outputs multiple source clock signals with the same frequency according to a reference signal of a reference clock in the subsystem; the processors perform frequency dividing processing on the multiple source clock signals through a digital logic circuit according to an oversampling technology, to obtain a synchronous clock signal corresponding to a baud rate of data transmission in the subsystem, so as to implement timing and transceiving functions when data is transmitted at the baud rate.
Abstract translation: 本发明的实施例提供一种时钟信号发生器，并且时钟信号发生器被应用于以多个波特率支持数据传输的物理层子系统。 时钟信号发生器包括：源时钟信号发生器和连接到源时钟信号发生器输出端的两个或多个处理器; 其中源时钟信号发生器根据子系统中的参考时钟的参考信号输出具有相同频率的多个源时钟信号; 处理器通过数字逻辑电路根据过采样技术对多源时钟信号进行分频处理，以获得与子系统中数据传输的波特率相对应的同步时钟信号，以便实现定时和收发功能， 数据以波特率传输。
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