公开(公告)号：US09350620B2

公开(公告)日：2016-05-24

申请号：US14332860

申请日：2014-07-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guoyi Chen ,  Lianshu Zheng ,  Jie Dong

IPC: H04L12/437 ,  H04L12/723 ,  H04L12/24 ,  H04L12/40 ,  H04L12/46 ,  H04L12/703

CPC classification number: H04L41/12 ,  H04L12/40013 ,  H04L12/437 ,  H04L12/4633 ,  H04L12/4637 ,  H04L45/28 ,  H04L45/50

Abstract: Embodiments of the present invention disclose a method for creating a ring network label switched path. The method includes: receiving, by a first node, a first Path message used for creating a first label switched path from a second node; allocating a first label to the first label switched path; sending a first Resv message carrying the first label to the second node; and when the first node receives a second Path message and determines that a destination node of the second label switched path is the same as that of the first label switched path, allocating the first label to the second label switched path; and sending a second Resv message carrying the first label to the second node. Solutions of the embodiments of the present invention helps reduce the number of created ring network label switched paths and maintenance complexity.

Abstract translation: 本发明的实施例公开了一种用于创建环网标签交换路径的方法。 该方法包括：由第一节点接收用于从第二节点创建第一标签交换路径的第一路径消息; 向第一标签交换路径分配第一标签; 向所述第二节点发送携带所述第一标签的第一Resv消息; 并且当所述第一节点接收到第二路径消息并且确定所述第二标签交换路径的目的地节点与所述第一标签交换路径的目的地节点相同时，将所述第一标签分配给所述第二标签交换路径; 以及向所述第二节点发送携带所述第一标签的第二Resv消息。 本发明的实施例的解决方案有助于减少创建的环网标签交换路径的数量和维护复杂性。

公开(公告)号：US20160050138A1

公开(公告)日：2016-02-18

申请号：US14925954

申请日：2015-10-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hongmiao Xia ,  Renhai Zhang ,  Guoyi Chen ,  Xingfeng Jiang

IPC: H04L12/721 ,  H04L12/715 ,  H04L12/751

CPC classification number: H04L45/12 ,  H04L45/02 ,  H04L45/04 ,  H04L45/32 ,  H04L45/50

Abstract: A method and an apparatus for advertising border connection information of autonomous system are disclosed. Moreover, the method includes: establishing and maintaining, by a border node of the autonomous system, the border connection information of the autonomous system; flooding the border connection information within the autonomous system; and receiving, by nodes of the autonomous system, the border connection information. The method and the apparatus for advertising border connection information of autonomous system of embodiments of the present invention may adapt to dynamic change of network topology, and dynamically advertise the border connection information of the autonomous system within the system in time, so as to optimize networks and improve quality of service of the networks.

公开(公告)号：US09143425B2

公开(公告)日：2015-09-22

申请号：US13691342

申请日：2012-11-30

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 ,  H04L12/46 ,  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 invention 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 variation 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 invention, a problem that performance measurement cannot be performed for different services transmitted in a tunnel in the prior art may be solved.

Abstract translation: 本发明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，延迟测量参数和变化测量参数; 并根据测量消息中的测量参数来测量隧道中业务的性能。 根据本发明的实施例，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。

公开(公告)号：US09143396B2

公开(公告)日：2015-09-22

申请号：US14030700

申请日：2013-09-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jie Dong ,  Guoyi Chen

IPC: H04L1/00 ,  H04L12/24 ,  H04L12/46 ,  H04L12/703 ,  H04L12/413 ,  H04L12/721

CPC classification number: H04L41/0654 ,  H04L12/413 ,  H04L12/4641 ,  H04L45/28 ,  H04L45/68

Abstract: Embodiments of the present invention provide a VPLS fast rerouting method and device. The method includes: generating, by a remote PE, a backup forwarding entry; and when a designated forwarder or a designated forwarder pseudo wire in a multihoming protection group fails, or the designated forwarder is switched in the multihoming protection group, forwarding, by the remote PE, a data packet according to the backup forwarding entry, thereby avoiding broadcasting the data packet to all remote PEs that belong to the same VPLS instance, and further reducing a waste of bandwidth resources in a backbone network and processing resources of the PE.

Abstract translation: 本发明的实施例提供一种VPLS快速重路由方法和装置。 该方法包括：由远程PE生成备份转发表项; 并且当多重保护组中的指定转发器或指定的转发器伪线路发生故障时，或者指定的转发器在多重保护组中切换时，由远程PE转发根据备份转发表项的数据分组，从而避免广播 将数据包分配给属于同一VPLS实例的所有远程PE，进一步减少了骨干网中带宽资源的浪费和处理PE的资源。

公开(公告)号：US08902762B2

公开(公告)日：2014-12-02

申请号：US14198095

申请日：2014-03-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xinchun Guo ,  Wei Cao ,  Guoyi Chen

IPC: H04L12/26 ,  H04L12/24 ,  H04L12/703

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。

公开(公告)号：US20140301183A1

公开(公告)日：2014-10-09

申请号：US14297830

申请日：2014-06-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lianshu Zheng ,  Guoyi Chen

IPC: H04L12/24

CPC classification number: H04L41/0846 ,  H04L41/0672 ,  H04L41/0893 ,  H04L45/021 ,  H04L45/50 ,  H04L45/58 ,  H04L45/60 ,  H04L67/1095

Abstract: A method, a network device, and a system for synchronization between network devices are provided. The method includes: establishing, by a first network device, an inband synchronization channel to a second network device in a MPLS-TP network, where the inband synchronization channel is a channel on a data plane, and the first network device and the second network device are included in a same backup group; sending, a first synchronization packet to the second network device through the inband synchronization channel, where the first synchronization packet carries synchronization information of the first network device, and the synchronization information of the first network device includes configuration information or status information of the first network device. The present disclosure can implement synchronization between network devices on an MPLS-TP network that does not have a control plane.

Abstract translation: 提供了一种方法，网络设备和用于网络设备之间的同步的系统。 该方法包括：通过第一网络设备将带内同步信道建立到MPLS-TP网络中的第二网络设备，其中带内同步信道是数据平面上的信道，以及第一网络设备和第二网络 设备包含在同一个备份组中; 通过带内同步信道向第二网络设备发送第一同步分组，其中第一同步分组携带第一网络设备的同步信息，第一网络设备的同步信息包括第一网络的配置信息或状态信息 设备。 本公开可以实现不具有控制平面的MPLS-TP网络上的网络设备之间的同步。

公开(公告)号：US20130088994A1

公开(公告)日：2013-04-11

申请号：US13691342

申请日：2012-11-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xinchun Guo ,  Guoyi Chen ,  Jian Li ,  Wei Cao ,  Li Xue ,  Jihong Mei ,  Zhanbin Wang

IPC: H04L12/26

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 invention 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 variation 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 invention, a problem that performance measurement cannot be performed for different services transmitted in a tunnel in the prior art may be solved.

Abstract translation: 本发明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，延迟测量参数和变化测量参数; 并根据测量消息中的测量参数来测量隧道中业务的性能。 根据本发明的实施例，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。

公开(公告)号：US12231316B2

公开(公告)日：2025-02-18

申请号：US18465395

申请日：2023-09-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Cheng Li ,  Guoyi Chen

IPC: H04L43/0852 ,  H04L43/18 ,  H04L45/741 ,  H04L45/745

Abstract: A network performance parameter sending method includes: obtaining, by a first network node, a segment identifier of a second network node in a segment list of a packet, where the second network node is a next-hop segment node of the first network node on a forwarding path of the packet; and adding, by the first network node, a network performance parameter of the first network node to the segment list, and then sending the packet to the second network node. In a process of forwarding the packet by using the segment list in the packet, the first network node uses the segment list to carry the network performance parameter of the network node.

公开(公告)号：US11824771B2

公开(公告)日：2023-11-21

申请号：US17982225

申请日：2022-11-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Cheng Li ,  Guoyi Chen

IPC: H04L45/12 ,  H04L45/42 ,  H04L45/02 ,  H04L45/302 ,  H04L45/741

CPC classification number: H04L45/42 ,  H04L45/02 ,  H04L45/123 ,  H04L45/302 ,  H04L45/741

Abstract: A system and network devices for packet processing, a network device including a processor and instructions for receiving a first packet sent by a second network node, the first packet including a format of a segment identifier of the second network node describing a length and a location of each field in the segment identifier, obtaining the format based on the first packet, the segment identifier having a first field, and including a determined value of the first field in the segment identifier in a second packet sent to the second network node, the value of the first field in the segment identifier being determined based on a segment routing policy and the format, and the determined value of the first field indicating to the second network node to process the second packet.

公开(公告)号：US11804985B2

公开(公告)日：2023-10-31

申请号：US17146607

申请日：2021-01-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zongpeng Du ,  Guoyi Chen ,  Jie Dong

IPC: G06F11/00 ,  H04L12/28 ,  H04L12/723 ,  H04L12/46 ,  H04L45/02 ,  H04L45/00 ,  H04L45/586

CPC classification number: H04L12/4675 ,  H04L45/02 ,  H04L45/04 ,  H04L45/54 ,  H04L45/586

Abstract: A packet transmission method, implemented by a first network device includes determining a first master logical interface, where the first master logical interface is associated with a first virtual network identifier and a first sub-logical interface, and the first sub-logical interface is associated with a second virtual network identifier, and receiving an advertisement packet from a second network device through the first master logical interface, where the advertisement packet includes the first virtual network identifier, first internet protocol (IP) information associated with the first virtual network identifier, the second virtual network identifier, and second IP information associated with the second virtual network identifier.