公开(公告)号：US20230421480A1

公开(公告)日：2023-12-28

申请号：US18463727

申请日：2023-09-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Donglei Pang ,  Haibo Wang ,  Gang Yan ,  Xingjian He

IPC: H04L45/036 ,  H04L45/00 ,  H04L45/02

CPC classification number: H04L45/036 ,  H04L45/38 ,  H04L45/04

Abstract: In a route processing method, a first network device obtains one or more routes having a same destination address, and including a first route. Slice information corresponding to the one or more ports is determined based on one or more ports that are on the first network device and that receive the one or more routes. The first network device sends an updated first route to a second network device, where the updated first route carries the slice information and the destination address. After a route is received, corresponding slice information is determined based on a port that receives the route, so that slice information supported by a path from a network device to a route starting device is determined. The determined slice information is carried when the route is forwarded, so that a network device on a route advertisement path can obtain the slice information supported by the entire path.

公开(公告)号：US11855887B2

公开(公告)日：2023-12-26

申请号：US16904129

申请日：2020-06-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haibo Wang ,  Shunwan Zhuang ,  Yuan Rao ,  Ruiqing Cao

IPC: H04L45/00 ,  H04L45/02 ,  H04L47/122 ,  H04L45/64 ,  H04L69/329

CPC classification number: H04L45/54 ,  H04L45/02 ,  H04L45/22 ,  H04L45/38 ,  H04L47/122 ,  H04L45/64 ,  H04L69/329

Abstract: A data flow redirection method to overcome a disadvantage that a quantity of adjustable data flows is relatively small due to limited space of a flow specification forwarding table. The method includes receiving, by a network device, a control message sent by a control device, where the control message carries redirection routing information of a data flow and a redirection routing indication, the redirection routing indication instructing to convert the redirection routing information of the data flow into a forwarding entry in a target forwarding table, and tablespace of the target forwarding table is greater than tablespace of a flow specification forwarding table of the network device, and converting, by the network device, the redirection routing information of the data flow into the forwarding entry in the target forwarding table according to the redirection routing indication.

公开(公告)号：US11811561B2

公开(公告)日：2023-11-07

申请号：US17645841

申请日：2021-12-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haibo Wang ,  Xun Hu ,  Rongrong Hua ,  Tong Zhu

IPC: H04L12/46 ,  H04L45/00 ,  H04L45/745

CPC classification number: H04L12/4675 ,  H04L45/22 ,  H04L45/566 ,  H04L45/745

Abstract: A packet transmission method, device, and system are disclosed, and pertain to the field of network technologies. The system includes a first network device in a VPLS network and a second network device in a VPWS network. The first network device determines, based on a destination address carried in a received first packet, a virtual port corresponding to the destination address in a VPLS instance of the first network device, and sends the first packet to a second VPWS instance in the second network device based on the virtual port, where the virtual port is used to indicate a first VPWS instance in the first network device, and the second VPWS instance and the first VPWS instance are VPWS instances used to bear a same service.

公开(公告)号：US20230344756A1

公开(公告)日：2023-10-26

申请号：US18343463

申请日：2023-06-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haibo Wang ,  Shunwan Zhuang ,  Gang Yan

IPC: H04L45/42 ,  H04L45/24

CPC classification number: H04L45/42 ,  H04L45/245

Abstract: Embodiments of this application disclose a routing method and a related device. When a first network device determines that a preset first condition is met, the first network device sends a request message to a second network device, to request a route reaching at least one another network device. In response to the request message, the second network device sends a route message to the first network device serving as a traffic sender, where the route message carries the route reaching the at least one another network device, and both the first network device and the another network device are directly or indirectly connected to the second network device.

公开(公告)号：US20230344747A1

公开(公告)日：2023-10-26

申请号：US18344446

申请日：2023-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wenyan Li ,  Haibo Wang ,  Lili Wang ,  Lei Li

IPC: H04L45/122 ,  H04L45/42

CPC classification number: H04L45/122 ,  H04L45/42

Abstract: A method is applied to a first network device, the first network device and a second network device have a BGP neighbor relationship, and the method includes: The first network device creates an SBFD session, where the SBFD session is an SBFD session corresponding to a BGP session between the first network device and the second network device, the first network device is an initiator of the SBFD session, the second network device is a reflector of the SBFD session, and the BGP session is a session created based on the BGP neighbor relationship. The first network device sends an SBFD packet to the second network device based on the SBFD session. The first network device determines a state of the BGP session based on a state of feedback by the second network device for the SBFD packet.

公开(公告)号：US11799774B2

公开(公告)日：2023-10-24

申请号：US17215710

申请日：2021-03-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

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

IPC: H04L45/74 ,  H04L45/02 ,  H04L45/00 ,  H04L69/22 ,  H04L67/01

CPC classification number: H04L45/74 ,  H04L45/02 ,  H04L45/70 ,  H04L67/01 ,  H04L69/22

Abstract: This disclosure discloses a method, device, and system for determining a route leak. The method includes: receiving, by a network monitoring device managing a first autonomous system, an extended BMP packet sent by a first border node of the first autonomous system and an extended BMP packet sent by a second border node of the first autonomous system. The method includes determining, based on the extended BMP packet sent by the first border node and the extended BMP packet sent by the second border node of the first autonomous system, a receiving relationship of a route prefix received by the first border node from the second autonomous system, and a sending relationship of the route prefix sent by the second border node to a third autonomous system. The method further includes determining, based on the receiving relationship and the sending relationship, whether the route prefix is leaked.

公开(公告)号：US20230155927A1

公开(公告)日：2023-05-18

申请号：US18157581

申请日：2023-01-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shunwan Zhuang ,  Haibo Wang ,  Yunan Gu ,  Zhongqi Xia

IPC: H04L45/302 ,  H04L45/02

CPC classification number: H04L45/306 ,  H04L45/04

Abstract: A route management and autonomous system (AS) management system and method. The method includes obtaining a correspondence, where the correspondence comprises a first autonomous system (AS) identifier and a second AS identifier, and where the correspondence indicates that the first AS identifier and the second AS identifier are sibling ASes, and performing route management based on the correspondence.

公开(公告)号：US11606292B2

公开(公告)日：2023-03-14

申请号：US17246063

申请日：2021-04-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Haibo Wang ,  Dapeng Chen ,  Shunwan Zhuang

IPC: H04L45/74 ,  H04L12/46

Abstract: A route processing method, a device, and a system, where the method includes: a network virtualization edge (NVE) device set including at least two NVE devices includes a common Virtual Extensible Local Area Network (VXLAN) Tunnel Endpoint (VTEP) address. The common VTEP address is used to identify a common VTEP, and the common VTEP is deployed on each NVE device in the NVE device set. In addition, each NVE device in the NVE device set includes a VTEP address, and the VTEP address is used to identify a VTEP included in a corresponding NVE device. An NVE device in the NVE device set establishes a VXLAN tunnel between the NVE devices in the NVE device set based on a VTEP address and the common VTEP address using an inclusive multicast Ethernet tag (IMET) route.

公开(公告)号：US11588732B2

公开(公告)日：2023-02-21

申请号：US17151662

申请日：2021-01-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wenyan Li ,  Haibo Wang ,  Lili Wang

IPC: H04L45/00

Abstract: This application provides a message generation method, a message processing method, a message generation apparatus, and a message processing apparatus. The message generation method includes: obtaining, by a first device, a segment identifier list SID list, where the SID list includes a plurality of segment identifiers SIDs, the first N bits of the plurality of SIDs are the same, and N is a positive integer; generating, by the first device, a first message based on the SID list, where the first message includes a first part and a second part, the first part includes the first N bits of the plurality of SIDs, and the second part includes bit N+1 to bit 128 of each of the plurality of SIDs; and sending, by the first device, the first message to a second device.

公开(公告)号：US20230013366A1

公开(公告)日：2023-01-19

申请号：US17935078

申请日：2022-09-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haijun Xu ,  Shunwan Zhuang ,  Haibo Wang

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