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    Path establishment method and controller
    1.
    发明授权
    Path establishment method and controller 有权

    公开(公告)号：US10749788B2

    公开(公告)日：2020-08-18

    申请号：US16185994

    申请日：2018-11-09

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Fengmei Wang ,  Yong Long ,  Xia Chen

    IPC: H04L12/761 ,  H04L12/727 ,  H04L12/18 ,  H04L12/803 ,  H04L12/729 ,  H04L12/715 ,  H04L12/723

    Abstract: A path establishment method and a controller are disclosed. The method includes: when detecting a path establishment request for establishing P2MP TE, computing a P2MP TE path by using head node information and tail node information included in the path establishment request; identifying a target branch node in the P2MP TE path, and obtaining a label of the target branch node; and when a third node corresponding to the head node information and the target branch node are not a same node, sending first information to the third node, and sending second information to the target branch node, where the second information is used to instruct the target branch node to generate a multicast forwarding entry. Embodiments of this application can reduce complexity of establishing the P2MP TE path.

    Path establishment method and controller
    3.
    发明授权
    Path establishment method and controller 有权

    公开(公告)号：US11502937B2

    公开(公告)日：2022-11-15

    申请号：US16937236

    申请日：2020-07-23

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Fengmei Wang ,  Yong Long ,  Xia Chen

    IPC: H04L45/16 ,  H04L45/121 ,  H04L12/18 ,  H04L47/125 ,  H04L45/125 ,  H04L45/64 ,  H04L45/50

    Abstract: A path establishment method and a controller are disclosed. The method includes: when detecting a path establishment request for establishing P2MP TE, computing a P2MP TE path by using head node information and tail node information included in the path establishment request; identifying a target branch node in the P2MP TE path, and obtaining a label of the target branch node; and when a third node corresponding to the head node information and the target branch node are not a same node, sending first information to the third node, and sending second information to the target branch node, where the second information is used to instruct the target branch node to generate a multicast forwarding entry. Embodiments of this application can reduce complexity of establishing the P2MP TE path.

    Network control method, apparatus, and system
    4.
    发明授权
    Network control method, apparatus, and system 有权

    公开(公告)号：US12149874B2

    公开(公告)日：2024-11-19

    申请号：US17532932

    申请日：2021-11-22

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Changsheng Sun ,  Baiming Yang ,  Dong Wang ,  Fengmei Wang

    IPC: H04Q11/00 ,  H04B10/032 ,  H04J14/02 ,  H04L12/46

    Abstract: This disclosure provides a network control method, an apparatus, and a system, to manage an IP network and an optical network together, thereby properly controlling use of resources of an entire network. The method includes: obtaining first link state information and second link state information, where the first link state information is used to indicate a link state of an Internet Protocol IP network, and the second link state information is used to indicate a link state of an optical network; determining third link state information based on the first link state information and the second link state information, where the third link state information includes the link state of the IP network and the link state of the optical network; and computing a path based on the third link state information.

    NETWORK CONTROL METHOD, APPARATUS, AND SYSTEM
    6.
    发明申请
    NETWORK CONTROL METHOD, APPARATUS, AND SYSTEM 有权

    公开(公告)号：US20220086545A1

    公开(公告)日：2022-03-17

    申请号：US17532932

    申请日：2021-11-22

    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

    Inventor： Changsheng Sun ,  Baiming Yang ,  Dong Wang ,  Fengmei Wang

    IPC: H04Q11/00 ,  H04L12/46

    Abstract: This disclosure provides a network control method, an apparatus, and a system, to manage an IP network and an optical network together, thereby properly controlling use of resources of an entire network. The method includes: obtaining first link state information and second link state information, where the first link state information is used to indicate a link state of an Internet Protocol IP network, and the second link state information is used to indicate a link state of an optical network; determining third link state information based on the first link state information and the second link state information, where the third link state information includes the link state of the IP network and the link state of the optical network; and computing a path based on the third link state information.

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