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    Controller Based Path Estimation and Path Provisioning using Optical Impairment Data
    2.
    发明申请
    Controller Based Path Estimation and Path Provisioning using Optical Impairment Data 审中-公开

    公开(公告)号：US20190363789A1

    公开(公告)日：2019-11-28

    申请号：US15987778

    申请日：2018-05-23

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Yufei Wang

    IPC: H04B10/079 ,  H04B10/50 ,  H04B10/60 ,  H04B10/25

    Abstract: A method implemented by a domain controller in a network comprises transmitting, by a transmitter of the domain controller to a super controller, an update message comprising path information for one or more parallel paths having a common wavelength from a source to a destination, wherein the one or more parallel paths are free of optical impairments when the update message is transmitted to the super controller, receiving, by a receiver of the domain controller from the super controller, an initiate message comprising an identifier of a path selected from the one or more parallel paths, and provisioning, by a processor of the domain controller, the path based on a verification that the path selected by the super controller is free of optical impairments.

    Controller based path estimation and path provisioning using optical impairment data
    3.
    发明授权
    Controller based path estimation and path provisioning using optical impairment data 有权

    公开(公告)号：US10516478B2

    公开(公告)日：2019-12-24

    申请号：US15987778

    申请日：2018-05-23

    Applicant: Futurewei Technologies, Inc.

    Inventor： Young Lee ,  Yufei Wang

    IPC: H04B10/25 ,  H04B10/079 ,  H04B10/60 ,  H04B10/50

    Abstract: A method implemented by a domain controller in a network comprises transmitting, by a transmitter of the domain controller to a super controller, an update message comprising path information for one or more parallel paths having a common wavelength from a source to a destination, wherein the one or more parallel paths are free of optical impairments when the update message is transmitted to the super controller, receiving, by a receiver of the domain controller from the super controller, an initiate message comprising an identifier of a path selected from the one or more parallel paths, and provisioning, by a processor of the domain controller, the path based on a verification that the path selected by the super controller is free of optical impairments.

    Protection Against Dual Failures For Resilient Two Layer Networks
    6.
    发明申请
    Protection Against Dual Failures For Resilient Two Layer Networks 有权
    针对弹性双层网络的双重故障保护

    公开(公告)号：US20160182147A1

    公开(公告)日：2016-06-23

    申请号：US14974409

    申请日：2015-12-18

    Applicant: Futurewei Technologies, Inc.

    Inventor： Victor Yu Liu ,  Yufei Wang

    IPC: H04B10/038

    CPC classification number: H04L41/0654 ,  H04B10/038 ,  H04J14/0287 ,  H04L12/437 ,  H04L41/12 ,  H04L41/145 ,  H04L45/02 ,  H04L45/1283 ,  H04L45/22 ,  H04L45/28 ,  H04L45/64 ,  H04L69/40

    Abstract: A method comprising identifying a physical ring in a physical layer of a network according to a logical ring in a logical layer of the network, wherein the logical ring is formed from a plurality of nodes interconnected by a plurality of logical links, and wherein the physical ring is formed from at least the plurality of nodes interconnected by a first plurality of physical links, computing a plurality of cross cord paths across the physical ring, and mapping the logical ring onto the physical layer to provide dual physical link failure survivability by determining primary paths and secondary paths for the plurality of logical links over the physical ring and the plurality of cross cord paths such that a secondary path of a first of the plurality of logical links is non-overlapping with a primary path of a second of the plurality of logical links.

    Abstract translation: 一种方法，包括根据所述网络的逻辑层中的逻辑环来识别网络的物理层中的物理环，其中所述逻辑环由多个由多个逻辑链路互连的多个节点形成，并且其中所述物理 环由至少由多个物理链路互连的多个节点形成，跨物理环计算多条交叉路径路径，并将该逻辑环映射到物理层上，以通过确定主路由器来提供双重物理链路故障生存性 通过物理环和多个十字路径的多个逻辑链路的路径和次路径，使得多个逻辑链路中的第一逻辑链路的辅路径与多个逻辑链路中的第二逻辑链路的主路径不重叠 逻辑链接。

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