公开(公告)号：US10554567B2

公开(公告)日：2020-02-04

申请号：US15866080

申请日：2018-01-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qiandeng Liang ,  Shunwan Zhuang ,  Jianjie You

IPC: H04L12/841 ,  H04L12/751

Abstract: A route processing method, a device, and a system, where the method includes obtaining, by a first network device, a flow effective time parameter and a route related to the flow effective time parameter, processing, by the first network device in the specified time interval, service traffic corresponding to the route related to the flow effective time parameter, generating a route control message, where the route control message carries the flow effective time parameter and the route, and sending, by the first network device, the route control message to a second network device. Therefore, limited-time effective information is automatically disseminated, a limited-time effective requirement for a traffic control policy is met, configuration workload is reduced, and maintenance difficulty is lowered.

公开(公告)号：US10326664B2

公开(公告)日：2019-06-18

申请号：US15416518

申请日：2017-01-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shunwan Zhuang ,  Yuanbin Yin ,  Baohua Song ,  Jianbin Xu

IPC: H04L12/24 ,  H04L29/06 ,  H04L12/66 ,  H04L12/751 ,  H04L12/715 ,  H04L12/717

Abstract: The present disclosure relates to the communications field, and discloses a BGP logical topology generation method, and a device. The method includes: obtaining, by a controller, node information of a first forwarder and BGP session information of the first forwarder, and obtaining node information of a second forwarder and BGP session information of the second forwarder; and generating, by the controller, a BGP logical topology between the first forwarder and the second forwarder according to the node information and the BGP session information of the first forwarder, and the node information and the BGP session information of the second forwarder that are obtained. The technical solution provided in the present invention can implement collection of a BGP logical topology between forwarders by the controller, which is favorable for the controller to manage forwarders running the BGP protocol.

公开(公告)号：US20190036794A1

公开(公告)日：2019-01-31

申请号：US16148429

申请日：2018-10-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Peng Zhou ,  Zhenbin Li ,  Hui Ni ,  Nan Wu

IPC: H04L12/26 ,  H04L12/721

Abstract: A control method for collecting traffic statistics includes a control node obtains a statistics collection instruction, where the statistics collection instruction is used to instruct to collect traffic statistics of a target data flow, generates a traffic statistics collection policy according to the statistics collection instruction, where the traffic statistics collection policy includes a matching identifier of the target data flow, a first command, and a second command, and sends the traffic statistics collection policy to a forwarding node. The first command is used to instruct the forwarding node to set a traffic identifier for the target data flow based on the matching identifier, the second command is used to instruct the forwarding node to add traffic generated by a target packet to a traffic statistics collection result corresponding to the traffic identifier which is used to describe the traffic of the target data flow.

公开(公告)号：US20180375685A1

公开(公告)日：2018-12-27

申请号：US16047735

申请日：2018-07-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Haijun Xu ,  Haibo Wang ,  Zhenbin Li ,  Jia Che ,  Shuanglong Chen

IPC: H04L12/46 ,  H04L12/715 ,  H04L12/723 ,  H04L12/721 ,  H04L12/741

CPC classification number: H04L12/4641 ,  H04L12/4633 ,  H04L45/04 ,  H04L45/38 ,  H04L45/50 ,  H04L45/74

Abstract: A first network device includes a processor configured to analyze a data stream entering a network on which the first network device is located to obtain a traffic characteristic of a target data stream, and advertise a Flow Specification (FlowSpec) route, where the FlowSpec route carries redirect indication information, the redirect indication information includes identification information, the identification information is used to uniquely identify a first virtual private network (VPN) instance in a second network device, the redirect indication information instructing to redirect the data stream including the traffic characteristic of the target data stream to the first VPN instance, the second network device is an edge device of a service provider network accessed by the network, and the first VPN instance is a target VPN instance to which the target data stream is redirected in the second network device.

公开(公告)号：US12192200B2

公开(公告)日：2025-01-07

申请号：US17541485

申请日：2021-12-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shunwan Zhuang ,  Haibo Wang ,  Yunan Gu ,  Mingqing Huang ,  Zhongqi Xia ,  Gang Yan

IPC: H04L9/40 ,  H04L45/745

Abstract: This application relates to the field of computer network technologies and discloses an autonomous system (AS) pair verification method, apparatus, and device. The method can avoid incorrect determining of an AS pair in path information of an AS path during verification of the AS path, and improve accuracy of verifying the AS path. The method is applied to a network device. The method includes: obtaining path information including an AS pair; determining region information of a region to which the AS pair in the path information belongs; and verifying the AS pair based on the determined region information of the region to which the AS pair belongs, where the AS pair in the path information includes two adjacent AS numbers in the path information.

公开(公告)号：US20240223504A1

公开(公告)日：2024-07-04

申请号：US18606443

申请日：2024-03-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shuping Peng ,  Sheng Fang ,  Shunwan Zhuang ,  Haibo Wang ,  Zhenbin Li

IPC: H04L47/2425

CPC classification number: H04L47/2425

Abstract: A method, in which a first network device obtains a first service packet and a plurality of flow specification FlowSpec rule groups, where any FlowSpec rule group in the plurality of FlowSpec rule groups indicates a rule set for processing a service packet, and different FlowSpec rule groups correspond to different priorities. The first network device determines a target FlowSpec rule group, where the target FlowSpec rule group is a FlowSpec rule group in the plurality of FlowSpec rule groups that successfully matches the first service packet and that has the highest priority. The first network device processes the first service packet according to the target FlowSpec rule group. A service packet is processed according to a FlowSpec rule group, so that processing efficiency can be improved.

公开(公告)号：US20240179087A1

公开(公告)日：2024-05-30

申请号：US18436540

申请日：2024-02-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Haibo Wang ,  Yunan Gu ,  Gang Yan ,  Zhenbin Li

IPC: H04L45/021 ,  H04L45/00 ,  H04L45/02 ,  H04L45/18

CPC classification number: H04L45/021 ,  H04L45/04 ,  H04L45/18 ,  H04L45/22

Abstract: A BGP route identification method and apparatus are provided. A network device obtains a BGP route. The BGP route includes an autonomous system path attribute AS_PATH attribute, the AS_PATH attribute includes a first autonomous system number AS number, an AS number corresponding to an autonomous system that the network device is located in or manages is a second AS number, and the first AS number is equal to the second AS number. The network device determines, based on the first AS number and the second AS number, whether the BGP route is abnormal.

公开(公告)号：US11855876B2

公开(公告)日：2023-12-26

申请号：US17935078

申请日：2022-09-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haijun Xu ,  Shunwan Zhuang ,  Haibo Wang

IPC: H04L12/66 ,  H04L45/02 ,  H04L45/18 ,  H04L65/1069 ,  H04L45/28 ,  H04L45/128 ,  H04L65/1101

CPC classification number: H04L45/04 ,  H04L12/66 ,  H04L45/02 ,  H04L45/128 ,  H04L45/18 ,  H04L45/28 ,  H04L65/1069 ,  H04L65/1101

Abstract: A method includes: establishing, by a first network device, a first BMP session with a second network device, and establishing a second BMP session with a third network device; receiving a first BGP route set sent by the second network device, where the first BGP route set includes a BGP route sent by the second network device to the third network device; receiving a second BGP route set sent by the third network device, where the second BGP route set includes the BGP route received by the third network device from the second network device; and when detecting that the second BGP route set includes a first BGP route but the first BGP route set does not include the first BGP route, determining the first BGP route as an unavailable route.

公开(公告)号：US11799756B2

公开(公告)日：2023-10-24

申请号：US17671695

申请日：2022-02-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haibo Wang ,  Shunwan Zhuang ,  Gang Yan

IPC: H04L45/00 ,  H04L45/02 ,  H04L9/40

CPC classification number: H04L45/04 ,  H04L45/02 ,  H04L45/08 ,  H04L63/126

Abstract: A route learning method includes a network device obtaining Border Gateway Protocol (BGP) routing information from a BGP peer. When a target region to which the BGP peer belongs is the same as a target region to which a BGP route belongs, the network device learns the BGP routing information. A packet forwarding method includes a network device receiving a packet through a network interface. When a target region to which the network interface belongs is the same as a target region to which the packet belongs, the network device forwards the packet.

公开(公告)号：US11799688B2

公开(公告)日：2023-10-24

申请号：US17106931

申请日：2020-11-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Haibo Wang ,  Penghui Mi ,  Yunan Gu ,  Gang Yan ,  Zhenbin Li

IPC: H04L12/46 ,  H04L45/02 ,  H04L45/00 ,  H04L45/50

CPC classification number: H04L12/4675 ,  H04L45/02 ,  H04L45/04 ,  H04L45/34 ,  H04L45/507

Abstract: In a method for managing a VPN, a routing device establishes a BMP session with a BMP server. The routing device allocates a VPN label associated with a VPN instance, wherein the VPN instance is used for communication between the routing device and another routing device. Then, the routing device sends, to the BMP server, a BMP message that carries the VPN label. Because the routing device sends the VPN label through the BMP message, the routing device does not need to establish a BGP peer relationship with the BMP server to send the VPN label.