公开(公告)号：US20130250966A1

公开(公告)日：2013-09-26

申请号：US13890170

申请日：2013-05-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD

Inventor： Rui Gu ,  Guoyi Chen ,  Jie Dong ,  Qing Zeng

IPC: H04L12/56

CPC classification number: H04L45/507 ,  H04L45/04

Abstract: A method and network device for distributing Multi-Protocol Label Switching (MPLS) labels are provided by the present invention. The method for distributing the MPLS labels includes: a first device receives a Border Gateway Protocol (BGP) protocol message transmitted from a second device, wherein the BGP protocol message carries a service identifier of the second device; the first device establishes, according to the service identifier of the first device and the service identifier of the second device, a corresponding relationship between the first device and the second device; the first device distributes a MPLS label for the corresponding relationship. The present invention realizes that the MPLS labels are distributed for some type of the specific logical relationship between the two nodes in the BGP protocol, so that the network devices running the BGP protocol can efficiently obtain the MPLS label corresponding to the specific logical relationship.

Abstract translation: 本发明提供了一种用于分发多协议标签交换（MPLS）标签的方法和网络设备。 分发MPLS标签的方法包括：第一设备接收从第二设备发送的边界网关协议（BGP）协议消息，其中BGP协议消息携带第二设备的服务标识符; 第一设备根据第一设备的服务标识符和第二设备的服务标识符建立第一设备和第二设备之间的对应关系; 第一个设备分配相应关系的MPLS标签。 本发明实现了对于BGP协议中的两个节点之间的特定逻辑关系的某些类型的MPLS标签的分配，使得运行BGP协议的网络设备可以有效地获得与特定逻辑关系对应的MPLS标签。

公开(公告)号：US20250141787A1

公开(公告)日：2025-05-01

申请号：US19007998

申请日：2025-01-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xinjun Chen ,  Haibo Wang ,  Jingrong Xie ,  Jie Dong ,  Min Zhou

IPC: H04L45/00 ,  H04L45/74 ,  H04L69/22

Abstract: A route advertisement method, where a second communication apparatus sends a BGP message to a third communication apparatus. The BGP message includes a first routing prefix, a first next-hop address, and a first color attribute. An address segment of the first routing prefix is a first address segment of the second communication apparatus, and the first color attribute indicates a first service intent. The second communication apparatus may further advertise a first SRv6 service route to a first communication apparatus. The first SRv6 service route includes a first SRv6 SID which is an address in the first address segment. The second communication apparatus and the first communication apparatus belong to different domains.

公开(公告)号：US20250088459A1

公开(公告)日：2025-03-13

申请号：US18957018

申请日：2024-11-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Fan Yang ,  Jie Dong ,  Sheng Fang

IPC: H04L45/00

Abstract: Methods, apparatuses, and computer-readable storage media are provided. An example method includes obtaining, by a first network device, a segment routing (SR) policy, where the SR policy comprises identification information, and the identification information indicates a type of at least one of the SR policy, a candidate path in the SR policy, or a segment list in the candidate path, and determining, by the first network device based on the identification information, a processing behavior corresponding to at least one of the SR policy, the candidate path in the SR policy, or the segment list in the candidate path.

公开(公告)号：US12224925B2

公开(公告)日：2025-02-11

申请号：US17500142

申请日：2021-10-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zongpeng Du ,  Jie Dong

IPC: H04L45/02 ,  H04L45/00 ,  H04L45/50 ,  H04L45/74

Abstract: A Segment Routing over Internet Protocol version 6 (SRv6)-based data processing method includes a first network device generating a slice locator, where the slice locator includes a target argument. The slice locator is used to identify an addressable destination address prefix in a slice supported by the first network device, and the target argument is used to indicate that the slice locator is associated with at least two slices supported by the first network device. The first network device sends the slice locator to a second network device, so that the second network device generates, based on the slice locator, at least two target slice locators corresponding to the at least two slices.

公开(公告)号：US12219041B2

公开(公告)日：2025-02-04

申请号：US17573094

申请日：2022-01-11

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zongpeng Du ,  Jie Dong ,  Xiaodong Chang

IPC: H04L45/00 ,  H04L69/325 ,  H04L45/243

Abstract: This application describes a data transmission method, a network node, and a storage medium for communications technologies. In this application, an underlay segment identifier corresponding to an underlay path is designed, and the underlay segment identifier is advertised, so that a node on a segment routing network can sense the underlay path by using the underlay segment identifier. In this way, when a data packet is transmitted, the data packet can be sent based on an underlay segment identifier carried in the data packet and through an underlay path corresponding to the underlay segment identifier. Therefore, an underlay path through which a data packet is to be transmitted may be specified based on a service requirement, so that different data packets can be transmitted through different underlay paths, thereby improving flexibility and facilitating traffic planning.

公开(公告)号：US20230421499A1

公开(公告)日：2023-12-28

申请号：US18459163

申请日：2023-08-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhibo Hu ,  Ping’an Yang ,  Tao Han ,  Jie Dong

IPC: H04L45/745 ,  H04L45/00

CPC classification number: H04L45/745 ,  H04L45/566

Abstract: A packet transmission method includes: A first network device receives a first data packet; and the first network device updates the first data packet to obtain a second data packet, where the second data packet includes a global identifier; the first network device sends the second data packet to a second network device, where the global identifier is used by the second network device to verify the second data packet based on a correspondence, and the correspondence is a correspondence between the global identifier and an egress port through which the second network device transmits the second data 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.

公开(公告)号：US20230231795A1

公开(公告)日：2023-07-20

申请号：US18184899

申请日：2023-03-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ling Xu ,  Jie Dong ,  Guoyi Chen

IPC: H04L45/02 ,  H04L45/64 ,  H04L45/60

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

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：US20230216792A1

公开(公告)日：2023-07-06

申请号：US18174995

申请日：2023-02-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhibo Hu ,  Guoqi Xu ,  Jie Dong ,  Juhua Xu

IPC: H04L45/74 ,  H04L45/02

CPC classification number: H04L45/74 ,  H04L45/02

Abstract: A first network device receives location information sent by a second network device. The location information includes a location identifier used to identify a location of the second network device in a network and a plurality of associated flexible algorithms corresponding to the location identifier. The first network device generates, based on a first flexible algorithm of the plurality of associated flexible algorithms, first routing information to the second network device. The first flexible algorithm corresponds to a first network topology, the first network topology is a network topology in which the first network device is located, and the first routing information is used to send a packet to the second network device in the first network topology. One location identifier corresponds to a plurality of associated flexible algorithms, and routing information in different network topologies is generated based on different associated flexible algorithms.

公开(公告)号：US11637665B2

公开(公告)日：2023-04-25

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 ,  H04L45/50 ,  H04L12/413 ,  H04L45/24 ,  H04L47/724

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.