公开(公告)号：US10812394B2

公开(公告)日：2020-10-20

申请号：US16102745

申请日：2018-08-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dayong Guo ,  Chenxi Hu ,  Peng Gao ,  Xindong Teng ,  Hongtao Guo ,  Shengtao Sun

IPC: G06F15/173 ,  H04L12/803 ,  H04L12/713 ,  H04L12/46 ,  H04L12/28 ,  G06F9/455 ,  H04L12/931 ,  H04L12/723

Abstract: Embodiments of the present invention disclose a virtual network device. The virtual network device is configured to implement a broadband network gateway BNG function, and the virtual network device includes a load balance unit and a first forwarding unit; the load balance unit is configured to: receive a first data packet from a first user terminal, determine the first forwarding unit according to the first data packet and a first correspondence, and send the first data packet to the first forwarding unit, where the first correspondence indicates mapping from the first user terminal to the first forwarding unit; and the first forwarding unit is configured to receive and forward the first data packet. In addition, the embodiments of the present invention further disclose a method for implementing load sharing in a virtual network device.

公开(公告)号：US12095646B2

公开(公告)日：2024-09-17

申请号：US17555846

申请日：2021-12-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chengguang Niu ,  Zhouyi Yu ,  Hongtao Guo

IPC: H04L45/02 ,  H04L45/00 ,  H04L45/12

CPC classification number: H04L45/02 ,  H04L45/04 ,  H04L45/12 ,  H04L45/46

Abstract: This application relates to message sending and receiving methods and apparatuses, and a communication system. A control plane CP device in a communication system in which a CP and a user plane UP are separated generates a first message, where the first message includes route information and a control indication for the route information, and the route information is associated with a UP device. The CP device sends the first message to the UP device, so that the UP device updates the route information based on the control indication, where the first message is a packet forwarding control protocol PFCP message. Based on the technical solutions provided herein, interaction on routing control between the CP device and the UP device in a communication system architecture in which a CP and a UP are separated may be implemented.

公开(公告)号：US11909551B2

公开(公告)日：2024-02-20

申请号：US18172597

申请日：2023-02-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jie Chen ,  Zhouyi Yu ,  Hongtao Guo ,  Qian Cao

IPC: H04L12/28 ,  H04L12/46 ,  H04L9/40 ,  H04L61/5014

CPC classification number: H04L12/287 ,  H04L12/4633 ,  H04L12/4641 ,  H04L61/5014 ,  H04L63/0892

Abstract: A BRAS system-based packet encapsulation method includes obtaining user access information when receiving a user access protocol packet and performing VXLAN GPE encapsulation on the user access protocol packet based on the user access information. The encapsulation structure includes a user information header that is used to store the user access information, and a quantity of bytes occupied by the user information header is less than or equal to 12. In this application, the foregoing encapsulation structure is used to encapsulate a packet.

公开(公告)号：US11734138B2

公开(公告)日：2023-08-22

申请号：US17856983

申请日：2022-07-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dayong Guo ,  Hongtao Guo

IPC: G06F11/00 ,  G06F11/20 ,  H04L41/0823 ,  H04L41/0668 ,  H04L67/1029 ,  H04L67/1034 ,  H04L69/40

CPC classification number: G06F11/2097 ,  G06F11/2033 ,  H04L41/0668 ,  H04L41/0836 ,  H04L67/1029 ,  H04L67/1034 ,  H04L69/40

Abstract: Embodiments of the present disclosure provide a hot standby method, apparatus, and system. The method includes: saving, by an active device, first user information of the active device into a local cache module of the active device and sending, by the active device, the first user information to a remote cache module of a first standby device based on preset correlation information. In response to detecting that the active device becomes faulty, the first standby device obtains the first user information from the remote cache module of the first standby device and restores the first user information.

公开(公告)号：US20230208679A1

公开(公告)日：2023-06-29

申请号：US18175274

申请日：2023-02-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chengguang Niu ,  Zhouyi Yu ,  Hongtao Guo

IPC: H04L12/46 ,  H04L12/28 ,  H04L43/10

CPC classification number: H04L12/4641 ,  H04L12/2801 ,  H04L43/10

Abstract: Embodiments of this application disclose a tunnel keepalive method, a network device, a system, and a storage medium, and pertain to the field of communications technologies. In the embodiments of this application, before a failure occurs in communication between a UP device and a CP device, the UP device receives tunnel information synchronized by the CP device. After a failure occurs in communication between the UP device and the CP device, the UP device performs tunnel keepalive based on the tunnel information, that is, the UP device maintains a tunnel between the UP device and a remote network device. In this way, tunnel teardown is not triggered because of the failure in communication between the CP device and the UP device.

公开(公告)号：US11416359B2

公开(公告)日：2022-08-16

申请号：US15934382

申请日：2018-03-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Dayong Guo ,  Hongtao Guo

IPC: G06F11/00 ,  G06F11/20 ,  H04L41/0823 ,  H04L41/0668 ,  H04L69/40 ,  H04L67/1029 ,  H04L67/1034

Abstract: Embodiments of the present disclosure provide a hot standby method, apparatus, and system. The method includes: saving, by an active device, first user information of the active device into a local cache module of the active device and sending, by the active device, the first user information to a remote cache module of a first standby device based on preset correlation information. In response to detecting that the active device becomes faulty, the first standby device obtains the first user information from the remote cache module of the first standby device and restores the first user information.