公开(公告)号：US20220124027A1

公开(公告)日：2022-04-21

申请号：US17565576

申请日：2021-12-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zongpeng Du ,  Jie Dong ,  Xiaodong Chang

IPC: H04L45/42 ,  H04L45/00 ,  H04L45/12 ,  H04L47/125

Abstract: A packet forwarding method includes a head node that receives a segment identifier from a second network device. The segment identifier indicates that the second network device can provide a first forwarding path from the second network device to a network device in the first domain. After obtaining a packet, the first network device generates, based on the segment identifier, a segment identifier list corresponding to a second forwarding path that is used to forward the packet and that passes through the first domain, and forwards the packet to the second network device based on the segment identifier list. The segment identifier list corresponding to the second forwarding path includes the segment identifier.

公开(公告)号：US20210218521A1

公开(公告)日：2021-07-15

申请号：US17168198

申请日：2021-02-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zongpeng Du ,  Guoyi Chen ,  Jie Dong ,  Xinyuan Wang ,  Jun Gong

IPC: H04L5/00 ,  H04L12/723 ,  H04L12/413

Abstract: A forwarding table generation method is provided. The method includes: determining, by a forwarding device, a first timeslot set, where the first timeslot set includes multiple timeslots during which the forwarding device sends, to a first device by using a first flexible Ethernet group, multiple encoded data blocks generated by a physical coding sublayer; determining, by the forwarding device, a second timeslot set, where the second timeslot set includes multiple timeslots during which the forwarding device receives, by using a second FlexE group, the multiple encoded data blocks sent by a second device; and generating, by the forwarding device, a forwarding table, where the forwarding table includes a mapping relationship between the second FlexE group and the multiple timeslots included in the second timeslot set, and between the first FlexE group and the multiple timeslots included in the first timeslot set.

公开(公告)号：US20210058315A1

公开(公告)日：2021-02-25

申请号：US17094538

申请日：2020-11-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jie Dong ,  Guoyi Chen ,  Zongpeng Du ,  Ling Xu

IPC: H04L12/727 ,  H04L12/751 ,  H04L12/721 ,  H04L12/707

Abstract: A method includes receiving, by a network device, notification packets separately sent by a plurality of forwarding nodes, where each notification packet includes interface forwarding delay information of the forwarding node that sends the notification packet, device forwarding delay information of the forwarding node, and a transmission delay of a link connected to the forwarding node; obtaining the interface forwarding delay information and the device forwarding delay information of each of the plurality of forwarding nodes, and obtaining a transmission delay of a link between the plurality of forwarding nodes; and computing a forwarding path between a first forwarding node and a second forwarding node, where a forwarding delay of the forwarding path meets a delay requirement of a service.

公开(公告)号：US20190190813A1

公开(公告)日：2019-06-20

申请号：US16285817

申请日：2019-02-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ling Xu ,  Jie Dong ,  Guoyi Chen

IPC: H04L12/751 ,  H04L12/773

CPC classification number: H04L45/02 ,  H04L45/60 ,  H04L45/64

Abstract: A method for synchronizing topology information in a service function chain (SFC) network, where the SFC network includes at least one classifier (CF) and at least one service function forwarder (SFF). The method includes that a first network element in the at least two routing network elements establishes a Border Gateway Protocol (BGP) connection to at least one second network element other than the first network element in the at least two routing network elements, where the first network element is any one of the at least two routing network elements, and the first network element sends a first BGP update message to the at least one second network element, where the first BGP update message includes topology information of the first network element such that the at least one second network element obtains the topology information of the first network element.

公开(公告)号：US20190140943A1

公开(公告)日：2019-05-09

申请号：US16240398

申请日：2019-01-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zongpeng Du ,  Guoyi Chen ,  Jie Dong ,  Xinyuan Wang ,  Jun Gong

IPC: H04L12/741 ,  H04L12/721 ,  H04L12/715 ,  H04L12/417

Abstract: A data sending method, where the method includes receiving, by a forwarding device using a first flexible Ethernet (FlexE) group and in multiple timeslots included in a first timeslot set, multiple first encoded data blocks from a physical coding sublayer (PCS), determining, by the forwarding device according to the timeslots included in the first timeslot set and the first FlexE group, a second FlexE group and multiple timeslots included in a second timeslot set, and sending, by the forwarding device, the first encoded data blocks using the second FlexE group and in the timeslots included in the second timeslot set. The forwarding device does not need to process the first encoded data blocks in a conventional layer 2 or layer 3 forwarding mode. Therefore, a processing delay can be reduced, and a transmission delay can be reduced.

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：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：US20250106148A1

公开(公告)日：2025-03-27

申请号：US18971722

申请日：2024-12-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jie Dong

IPC: H04L45/50

Abstract: Embodiments of this application disclose a packet control method and a related apparatus. The method includes: A first node sends a first packet to a second node. The first packet carries indication information, and the first packet corresponds to one or more segment lists, where each segment list corresponds to one or more segments segment. The indication information indicates that a network layer of a first set is an underlying network, or the indication information indicates that the network layer of the first set is not an underlying network. The underlying network is a network below a layer 3 network. The first set includes one or more segments. Indication information is added to a first packet, so that the first packet may indicate a network layer of a segment.

公开(公告)号：US20240314082A1

公开(公告)日：2024-09-19

申请号：US18672493

申请日：2024-05-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jie Dong ,  Haibo Wang ,  Zhenbin Li

IPC: H04L47/2441 ,  H04L45/02

CPC classification number: H04L47/2441 ,  H04L45/04

Abstract: In accordance with an embodiment, a method includes: generating a control message comprising a traffic steering match item and a traffic steering action item; and sending the control message to a second network device, where the control message indicates the second network device to steer, based on the traffic steering action item, a data packet that matches the traffic steering match item to a network slice.

公开(公告)号：US11943099B2

公开(公告)日：2024-03-26

申请号：US18153883

申请日：2023-01-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Haibo Wang ,  Tianran Zhou ,  Weidong Li ,  Jie Dong

IPC: H04L41/0803

CPC classification number: H04L41/0803

Abstract: A method according to embodiments of this application includes: A first network device sends a first packet to a second network device, where the first packet includes first indication information, and the first indication information indicates a support status of an iFIT capability corresponding to the first network device or a first service module included in the first network device. The first network device sends the packet to the second network device, to notify the support status of the IFIT capability of the first network device. In this way, the second network device can determine, based on the iFIT capability of the first network device, whether to encapsulate a measurement header, to avoid that a service packet cannot be correctly processed because the first network device cannot strip the measurement header from the service packet.