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公开(公告)号：US20190132210A1
公开(公告)日：2019-05-02
申请号：US16234009
申请日：2018-12-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiuli ZHENG , Jiao WANG
IPC: H04L12/24
Abstract: Embodiments of this application disclose a topology determining method used by an OFC to determine a complete topology structure of a hybrid SDN-IP network. The method includes: receiving, by an OFC, a first message forwarded by a first OFS; determining information about a link from the first TS to the first OFS based on the first message; sending a second message to the first OFS, and instructing the first OFS to forward the second message on the first port; sending a third message to the first OFS; receiving a first response message, where the first response message carries the MIB information of the first TS; and obtaining the information about the link from the first OFS to the first TS and information about a link from a second TS to the first TS based on the MIB information of the first TS.
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Patent Agency Ranking
公开(公告)号：US20170093706A1
公开(公告)日：2017-03-30
申请号：US15376206
申请日：2016-12-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jiao WANG , Xiuchu ZHAO
IPC: H04L12/721 , H04L12/751
Abstract: A data packet sending method and apparatus. The method includes: sending a policy request message that carries header information of a data packet to one or more controllers when a forwarding table of a first switch does not have a forwarding entry that matches the header information of the data packet; receiving a policy response message sent by a controller, where the policy response message includes a controller-determined forwarding path; selecting a forwarding path from received controller-determined forwarding paths; informing the selected forwarding path to a second switch on the selected forwarding path to forward the data packet after receiving the data packet, where the second switch is a switch besides the first switch on the selected forwarding path; and forwarding the data packet according to the selected forwarding path.
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公开(公告)号：US20190124498A1
公开(公告)日：2019-04-25
申请号：US16221377
申请日：2018-12-14
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiuli ZHENG , Xiaohu XU , Jiao WANG
Abstract: The present application discloses a service data packet encapsulation method and apparatus. The method includes at least: obtaining, by a source communications device, a mobility support parameter of a current service, where the mobility support parameter is used to indicate whether a corresponding service requires mobility support, and the source communications device includes at least an ID identifier layer and a locator layer; determining, by the source communications device based on the mobility support parameter of the current service, whether the current service requires mobility support; and obtaining, by the source communications device, a source locator of the source communications device and a destination locator of a destination communications device when determining that the current service does not require mobility support, and performing, by using the source locator and the destination locator, locator layer encapsulation on a data packet that needs to be sent by the current service.
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公开(公告)号：US20190020570A1
公开(公告)日：2019-01-17
申请号：US16133286
申请日：2018-09-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xinggui WU , Jiao WANG
IPC: H04L12/751 , H04L12/721 , H04L12/931
CPC classification number: H04L45/02 , H04L41/12 , H04L45/26 , H04L45/38 , H04L45/64 , H04L47/32 , H04L49/355
Abstract: The disclosure provides a link discovery method and an apparatus. The method includes: sending, by a control plane device, a first message to a plurality of forwarding plane devices in a network to which the control plane device belongs, where the first message is used to instruct each forwarding plane device receiving the first message to send a topology discovery packet at all available ports of the forwarding plane device; receiving, by the control plane device, second messages respectively sent by the plurality of forwarding plane devices, where each of the second messages is generated, according to a first topology discovery packet received at a second port, by a second forwarding plane device sending the second message, and determining, by the control plane device, topology connections between the plurality of forwarding plane devices according to the second messages sent by the plurality of forwarding plane devices.
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公开(公告)号：US20220021625A1
公开(公告)日：2022-01-20
申请号：US17488005
申请日：2021-09-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Siyu TANG , Jiao WANG , Zdenek HANZALEK , Marek VLK , Katerina BREJCHOVA
IPC: H04L12/841 , H04L12/851 , H04L12/853 , H04L12/875
Abstract: A device and method for a switch to operate as an intermediate node in a Time Sensitive Network (TSN) are provided. The switch transmits a frame at a time if it is the right frame to be transmitted at the time according to a configuration stored by the switch. The switch does not transmit the frame at the time if it is not the right frame to be sent at the time according to the configuration. Further, a device and method for scheduling transmission of a data packet from a talker node to a listener node are provided, including sending a configuration to each switch of a subset of switches in the network comprising information on the flow and a timing when it is to be output from the switch.
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公开(公告)号：US20220006466A1
公开(公告)日：2022-01-06
申请号：US17448113
申请日：2021-09-20
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xu SUN , Jiao WANG , Yuchen LIU , Rui LI , Nguyen Binh LE
Abstract: This application discloses a temperature feedback control apparatus, method. The method includes two electric switches, a feedback control unit and an optical component. A first electric switch is configured to control that only a first channel of at least two channels that correspond to the first electric switch is conducted at a moment, to feed back an optical signal of a target optical component connected to the first channel to the feedback control unit. The feedback control unit is configured to calculate temperature of the corresponding optical component based on an electrical signal converted from the optical signal, to obtain a control signal. The second electric switch is configured to control, when the first channel is conducted, that only the second channel is conducted, to transmit the control signal to the target optical component to adjust its temperature. The optical component connects to both the first and second channels.
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