公开(公告)号：US09584396B2

公开(公告)日：2017-02-28

申请号：US14055164

申请日：2013-10-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lianshu Zheng ,  Guoyi Chen

IPC: H04L12/723 ,  H04L12/26

CPC classification number: H04L43/50 ,  H04L43/0823 ,  H04L43/0852 ,  H04L43/0888 ,  H04L45/50

Abstract: Embodiments of the present invention provide a label-based measurement method, apparatus, and system. The method includes: allocating at least two labels to the same FEC; obtaining a label insertion mode for the at least two labels; receiving data packet, where one of the at least two labels is inserted in the data packet; and performing, according to the label insertion mode and the data packet, performance measurement on a network that the FEC passes through. By using the technical solutions provided in the embodiments of the present invention, a problem of network bandwidth occupation caused by inserting a test packet and an OAM packet during performance measurement and a problem of measurement result inaccuracy caused by OAM packet loss may be solved.

Abstract translation: 本发明的实施例提供了一种基于标签的测量方法，装置和系统。 该方法包括：将至少两个标签分配给相同的FEC; 为所述至少两个标签获得标签插入模式; 接收数据分组，其中至少两个标签中的一个被插入数据分组中; 并根据标签插入模式和数据包执行FEC通过的网络上的性能测量。 通过使用本发明实施例提供的技术方案，可以解决在性能测量期间插入测试分组和OAM分组引起的网络带宽占用问题以及由OAM分组丢失引起的测量结果不准确的问题。

公开(公告)号：US11894998B2

公开(公告)日：2024-02-06

申请号：US18065460

申请日：2022-12-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lianshu Zheng ,  Guoyi Chen

IPC: H04L43/0811 ,  H04L43/00 ,  H04L45/16 ,  H04L45/00 ,  H04L45/50

CPC classification number: H04L43/0811 ,  H04L43/00 ,  H04L45/16 ,  H04L45/20 ,  H04L45/50

Abstract: Embodiments of this application provide a bit-forwarding ingress router, a bit-forwarding router, and an OAM test method, and pertain to the field of multicast networks. A first BFR receives an OAM request packet from a BFIR; the first BFR determines, according to the OAM request packet, that a destination BFR corresponding to the OAM request packet is the first BFR; and the first BFR obtains a first OAM response packet according to an ID of the BFIR, and sends the first OAM response packet to the BFIR. According to the method and the apparatus that are provided in the embodiments of this application, a problem that a BFIR cannot diagnose or handle a transmission fault when the fault occurs during transmission of a multicast packet can be resolved, which helps implement connectivity testing by using an OAM packet and enables testing of multiple BFERs.

公开(公告)号：US20230224230A1

公开(公告)日：2023-07-13

申请号：US18065460

申请日：2022-12-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lianshu Zheng ,  Guoyi Chen

IPC: H04L43/0811 ,  H04L43/00 ,  H04L45/16 ,  H04L45/50 ,  H04L45/00

CPC classification number: H04L43/0811 ,  H04L43/00 ,  H04L45/16 ,  H04L45/50 ,  H04L45/20

Abstract: Embodiments of this application provide a bit-forwarding ingress router, a bit-forwarding router, and an OAM test method, and pertain to the field of multicast networks. A first BFR receives an OAM request packet from a BFIR; the first BFR determines, according to the OAM request packet, that a destination BFR corresponding to the OAM request packet is the first BFR; and the first BFR obtains a first OAM response packet according to an ID of the BFIR, and sends the first OAM response packet to the BFIR. According to the method and the apparatus that are provided in the embodiments of this application, a problem that a BFIR cannot diagnose or handle a transmission fault when the fault occurs during transmission of a multicast packet can be resolved, which helps implement connectivity testing by using an OAM packet and enables testing of multiple BFERs.

公开(公告)号：US10313216B2

公开(公告)日：2019-06-04

申请号：US15639896

申请日：2017-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lianshu Zheng ,  Guoyi Chen

IPC: H04L12/26 ,  H04L12/761 ,  H04L12/733 ,  H04L12/723

Abstract: Embodiments of this application provide a bit-forwarding ingress router, a bit-forwarding router, and an OAM test method, and pertain to the field of multicast networks. A first BFR receives an OAM request packet from a BFIR; the first BFR determines, according to the OAM request packet, that a destination BFR corresponding to the OAM request packet is the first BFR; and the first BFR obtains a first OAM response packet according to an ID of the BFIR, and sends the first OAM response packet to the BFIR. According to the method and the apparatus that are provided in the embodiments of this application, a problem that a BFIR cannot diagnose or handle a transmission fault when the fault occurs during transmission of a multicast packet can be resolved, which helps implement connectivity testing by using an OAM packet and enables testing of multiple BFERs.

公开(公告)号：US09350612B2

公开(公告)日：2016-05-24

申请号：US14297830

申请日：2014-06-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lianshu Zheng ,  Guoyi Chen

IPC: H04L12/24 ,  H04L29/08 ,  H04L12/755 ,  H04L12/723 ,  H04L12/775 ,  H04L12/773

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：US20150089629A1

公开(公告)日：2015-03-26

申请号：US14561713

申请日：2014-12-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rui GU ,  Jie Dong ,  Lianshu Zheng

IPC: H04L29/06 ,  H04L12/721

CPC classification number: H04L63/0272 ,  H04L12/4633 ,  H04L45/14 ,  H04L45/507

Abstract: Embodiments of the present invention provide a network label allocation method, a device, and a system, which enable a local PE to distinguish packets from different remote PEs. The method includes: generating, by a local provider edge PE, a VPN label route for each remote PE, where VPN labels in VPN label routes of different remote PEs are different, and the remote PE and the local PE at least belong to a same VPN; and sending the VPN label route to the remote PE, so that the remote PE separately matches an IP address of the remote PE with a target device IP address in the VPN label route, and matches an import route target RT of each VRF of the remote PE with a route target RT in the VPN label route, a packet related to a successfully matched VRF.

Abstract translation: 本发明的实施例提供一种网络标签分配方法，设备和系统，其使得本地PE能够区分来自不同远程PE的分组。 该方法包括：由本地提供商边缘PE生成每个远程PE的VPN标签路由，其中​​不同远端PE的VPN标签路由中的VPN标签不同，远端PE和本地PE至少属于同一PE VPN; 并将VPN标签路由发送到远程PE，使远端PE分别与远端PE的IP地址和VPN标签路由中的目标设备IP地址匹配，并与远程PE的每个VRF的导入路由目标RT匹配 PE在VPN标签路由中具有路由目标RT，与成功匹配的VRF相关的数据包。

公开(公告)号：US20140036689A1

公开(公告)日：2014-02-06

申请号：US14055164

申请日：2013-10-16

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lianshu Zheng ,  Guoyi Chen

IPC: H04L12/26

CPC classification number: H04L43/50 ,  H04L43/0823 ,  H04L43/0852 ,  H04L43/0888 ,  H04L45/50

Abstract: Embodiments of the present invention provide a label-based measurement method, apparatus, and system. The method includes: allocating at least two labels to the same FEC; obtaining a label insertion mode for the at least two labels; receiving data packet, where one of the at least two labels is inserted in the data packet; and performing, according to the label insertion mode and the data packet, performance measurement on a network that the FEC passes through. By using the technical solutions provided in the embodiments of the present invention, a problem of network bandwidth occupation caused by inserting a test packet and an OAM packet during performance measurement and a problem of measurement result inaccuracy caused by OAM packet loss may be solved.

Abstract translation: 本发明的实施例提供了一种基于标签的测量方法，装置和系统。 该方法包括：将至少两个标签分配给相同的FEC; 为所述至少两个标签获得标签插入模式; 接收数据分组，其中至少两个标签中的一个被插入数据分组中; 并根据标签插入模式和数据包执行FEC通过的网络上的性能测量。 通过使用本发明实施例提供的技术方案，可以解决在性能测量期间插入测试分组和OAM分组引起的网络带宽占用问题以及由OAM分组丢失引起的测量结果不准确的问题。

公开(公告)号：US11817970B2

公开(公告)日：2023-11-14

申请号：US17118507

申请日：2020-12-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lianshu Zheng ,  Mingui Zhang

IPC: H04L12/46 ,  H04L45/745 ,  H04L45/24

CPC classification number: H04L12/4633 ,  H04L45/745 ,  H04L45/245 ,  H04L2212/00

Abstract: The present invention provides a method, a device, and a system for determining a GRE tunnel identifier, applied to a scenario in which there are at least two bonded GRE tunnels between a HAG and HCPE. The method is implemented by the HAG and includes: receiving a service packet that is sent by the HCPE through a first GRE tunnel, where the service packet includes a source IP address of the first GRE tunnel carrying the service packet, and the first GRE tunnel is one of the at least two GRE tunnels; and looking up a correspondence table according to the source IP address of the first GRE tunnel, to determine a tunnel identifier of the first GRE tunnel carrying the service packet, where the correspondence table includes a correspondence between the source IP address of the first GRE tunnel and the tunnel identifier of the first GRE tunnel.

公开(公告)号：US20170302546A1

公开(公告)日：2017-10-19

申请号：US15639896

申请日：2017-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lianshu Zheng ,  Guoyi Chen

IPC: H04L12/26 ,  H04L12/761 ,  H04L12/733 ,  H04L12/723

CPC classification number: H04L43/0811 ,  H04L43/00 ,  H04L45/16 ,  H04L45/20 ,  H04L45/50

Abstract: Embodiments of this application provide a bit-forwarding ingress router, a bit-forwarding router, and an OAM test method, and pertain to the field of multicast networks. A first BFR receives an OAM request packet from a BFIR; the first BFR determines, according to the OAM request packet, that a destination BFR corresponding to the OAM request packet is the first BFR; and the first BFR obtains a first OAM response packet according to an ID of the BFIR, and sends the first OAM response packet to the BFIR. According to the method and the apparatus that are provided in the embodiments of this application, a problem that a BFIR cannot diagnose or handle a transmission fault when the fault occurs during transmission of a multicast packet can be resolved, which helps implement connectivity testing by using an OAM packet and enables testing of multiple BFERs.

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。