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公开(公告)号：US20220292849A1
公开(公告)日：2022-09-15
申请号：US17827170
申请日：2022-05-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Zhou
Abstract: A road information detection method is applied to automatic driving or intelligent driving and includes receiving a front-looking image from at least one front-looking camera apparatus; receiving a rear-looking image from at least one rear-looking camera apparatus; obtaining front-looking lane line information based on the front-looking image; obtaining rear-looking lane line information based on the rear-looking image; and obtaining target lane line information based on the front-looking lane line information and the rear-looking lane line information.
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公开(公告)号：US10686701B2
公开(公告)日：2020-06-16
申请号：US15298449
申请日：2016-10-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Wei Zhou
Abstract: The present invention discloses a packet transmission method, which relate to the communications field and can increase, in an environment of a mobile core network in which a forwarding plane is separated from a control plane, a success rate of packet transmission from the mobile core network to an external network. The method includes: determining an external gateway to which a data packet needs to be sent; obtaining a MAC address of the external gateway by using a forwarding plane apparatus; and sending a processing rule to the forwarding plane apparatus, so that the forwarding plane apparatus processes the data packet according to the processing rule, where the processing rule includes the MAC address and is used for instructing to send the data packet to the external gateway, and the external gateway is located in an external network connected to a core network.
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公开(公告)号：US10587494B2
公开(公告)日：2020-03-10
申请号：US15364523
申请日：2016-11-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Zhou , Pengcheng Tang
IPC: H04L12/751 , H04L12/24 , H04L12/58 , H04L12/707 , H04L12/715 , H04L12/721
Abstract: Embodiments of the present invention provide a network control method and apparatus. The network control method includes: receiving, by a first network controller, a request message of a forwarding plane device, where the request message includes information that is used to indicate a network event and information that is used to instruct to request a processing policy of the network event, and the first network controller is a primary network controller of the forwarding plane device; and if the first network controller determines, according to the request message, that the first network controller cannot provide the processing policy, sending, by the first network controller, the request message to a second network controller, receiving the processing policy sent by the second network controller, and sending the received processing policy to the forwarding plane device.
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公开(公告)号：US10289451B2
公开(公告)日：2019-05-14
申请号：US15673070
申请日：2017-08-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ren Zhu , Wei Zhou , Tizheng Wang
Abstract: A method, an apparatus, and a system for adjusting a deployment location of a virtual machine in order resolve a problem that an inter-node communication cost has excessively great impact on an adjustment result in an existing solution for adjusting a deployment location of a virtual machine in a cloud computing system, the inter-node communication cost is corrected according to technical solutions provided in the embodiments of the present disclosure. Consequently, not only a corrected inter-node communication cost can exert impact on the result for adjusting a deployment location of a virtual machine, but also communication traffic can play a major role in affecting the adjustment result. Therefore, a more appropriate result for adjusting a deployment location of a virtual machine can be obtained, and bandwidth consumption inside the cloud computing system can be reduced.
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公开(公告)号：US10243833B2
公开(公告)日：2019-03-26
申请号：US15360129
申请日：2016-11-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Pengcheng Tang , Wei Zhou
IPC: H04L12/721 , H04L12/751 , H04L12/715
Abstract: A flow table management method, devices, and systems. The flow table management method includes: generating, by a software defined network controller, a first flow table entry, where a first field set in the first flow table entry carries an index of an actual value in the first field set, and the first field set includes N fields; and sending, by the software defined network controller, an OpenFlow protocol message to an OpenFlow switch, where the OpenFlow protocol message carries the first flow table entry. The technical solution in the embodiments of the present invention helps reduce a data volume of flow table entries delivered by an SDN controller to an OpenFlow switch, thereby reducing overheads of a control channel to reduce a congestion risk of the control channel, and reducing occupied network processing resources of the SDN controller and the OpenFlow switch to deliver the flow table entries.
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Patent Agency Ranking
公开(公告)号：US10237089B2
公开(公告)日：2019-03-19
申请号：US15217423
申请日：2016-07-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Pengcheng Tang , Wei Zhou
IPC: H04L12/46 , H04L29/12 , H04L12/741 , H04L12/755
Abstract: A packet tunneling method, a switching device, and a control device are provided. The method includes: a switching device receives a tunnel flow table entry delivered by the control device, where the tunnel flow table entry is used to determine a to-be-tunneled packet and indicate a tunneling operation to be performed on the to-be-tunneled packet; determines according to the tunnel flow table entry, whether the received first packet is the to-be-tunneled packet; and when the first packet is the to-be-tunneled packet, and tunnels the first packet according to the tunnel flow table entry. Because the switching device supports a tunnel flow table, when a packet is transmitted in a mobile packet network by using the OpenFlow protocol, tunnel encapsulation or decapsulation can be performed on the packet by using the tunnel flow table entry delivered by the control device, thereby enhancing a packet processing capability in the mobile packet network.
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公开(公告)号：US10187846B2
公开(公告)日：2019-01-22
申请号：US15198207
申请日：2016-06-30
Applicant: Huawei Technologies Co., Ltd.
Abstract: A packet transmission method, a device, and a communications system. The method includes receiving, by a forwarding plane apparatus, a MAC address request broadcast by a base station, where the MAC address request includes a target IP address and is used to request a MAC address corresponding to the target IP address; forwarding when the forwarding plane apparatus does not save a first correspondence between the target IP address and the MAC address, the MAC address request to a serving gateway control plane apparatus; receiving, the MAC address request response; and forwarding, the MAC address request response to the base station.
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68.发明授权公开(公告)号：US10104018B2
公开(公告)日：2018-10-16
申请号：US15160667
申请日：2016-05-20
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wei Zhou
IPC: H04L12/931 , H04L12/701 , H04L12/46 , H04L12/947 , H04L12/715
Abstract: Embodiments of the present invention provide a method, an apparatus, and a system for controlling forwarding of service data in a virtual network, which relate to the field of communications and are used to improve user experience. The method includes: obtaining, by a forwarding control node, a processing rule of a service and connection information of a virtual network; determining, by the forwarding control node according to the processing rule of the service and the connection information of the virtual network, a forwarding path that a data packet of the service needs to pass through; generating, by the forwarding control node, a corresponding forwarding rule for a virtual switching node according to the forwarding path; and sending, by the forwarding control node, the forwarding rule to the virtual switching node. Embodiments of the present invention are applicable to a scenario of packet processing.
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公开(公告)号：US10057392B2
公开(公告)日：2018-08-21
申请号：US15054265
申请日：2016-02-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Pengcheng Tang , Yan Wang , Wei Zhou , Hui Ni
IPC: H04L12/28 , H04L29/06 , H04L12/721
Abstract: Embodiments of the present invention provide a packet processing method, device and system. The method includes: receiving, by a switching device, a packet, where there is a correspondence in the switching device between a prefix and a generic flow entry, where the correspondence is created by using the prefix as an index, and a match field of the generic flow entry corresponding to the prefix includes the prefix; acquiring, by the switching device according to the prefix, a bit field that is in the packet and that is used for matching; and performing matching, by the switching device, between a value of the bit field and a data parameter of the match field of the generic flow entry corresponding to the prefix. The embodiments of the present invention can reduce a quantity of times of generic field extraction from a packet and improve processing efficiency.
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公开(公告)号：US20170085473A1
公开(公告)日：2017-03-23
申请号：US15369191
申请日：2016-12-05
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L12/715 , H04L12/46 , H04L12/931 , H04L12/66 , H04L12/751 , H04L12/741
CPC classification number: H04L45/64 , H04L12/4633 , H04L12/66 , H04L45/02 , H04L45/745 , H04L49/70
Abstract: In an OPENFLOW communication method an action that needs to be transferred and sent by the service gateway is received, one appropriate virtual switch is selected according to the action and a network topology, a flow table is delivered to the service gateway and the virtual switch, and a first data channel is established between the service gateway and the virtual switch to forward a packet, a flow table including an extended action is delivered to the virtual switch so as to execute a related extended action on the packet, the packet is obtained after the virtual switch executes the related extended action is sent to a destination server. Accordingly, some data processing services are transferred to a virtual server when a processing capability of a service gateway is insufficient such that the virtual service implements load balance among network elements in a system.
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