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    Segment routing based wide area network orchestration in a network environment
    1.
    发明授权
    Segment routing based wide area network orchestration in a network environment 有权
    在网络环境中基于广域网协调的段路由选择

    公开(公告)号：US09369387B2

    公开(公告)日：2016-06-14

    申请号：US14244502

    申请日：2014-04-03

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Clarence Filsfils ,  Thomas F. Telkamp ,  Alan Thornton Gous

    IPC: H04L1/00 ,  H04L12/803

    CPC classification number: H04L47/125 ,  H04L12/2854 ,  H04L12/4633 ,  H04L12/66 ,  H04L45/028 ,  H04L45/24 ,  H04L47/122 ,  H04L47/20

    Abstract: An example method for segment routing based wide area network (WAN) orchestration in a network environment is provided and includes monitoring a segment routing (SR) enabled WAN environment in at least near real-time by a path computation element (PCE) located outside the WAN, receiving an event notification at the PCE, and performing traffic engineering using SR to reroute traffic off shortest paths. In one embodiment, where a current state of the WAN is not pre-computed, performing traffic engineering comprises optimizing routes to remove violation of any utilization policies, deploying the optimized routes in the WAN, re-optimizing routes for other parameters, and further deploying the re-optimized routes in the WAN. In another embodiment, performing traffic engineering comprises optimizing routes to remove violation of any utilization policies and for other parameters, and deploying the optimized routes in the WAN. In another embodiment, performing traffic engineering comprises deploying optimized routes in the WAN.

    Abstract translation: 提供了一种用于在网络环境中基于广域网（WAN）业务流程的分段路由的示例方法，并且包括通过位于外部网络（WAN）上的路径计算元件（PCE）至少近实时地监视启用了分段路由（SR）的WAN环境 WAN，在PCE接收到事件通知，并使用SR进行流量工程，将流量从最短路径重新路由。 在一个实施例中，当WAN的当前状态未预先计算时，执行流量工程包括优化路由以消除违反任何利用策略，在WAN中部署优化的路由，为其他参数重新优化路由，以及进一步部署 在WAN中重新优化的路由。 在另一个实施例中，执行流量工程包括优化路由以消除违反任何利用策略和其他参数，以及在WAN中部署优化的路由。 在另一个实施例中，执行流量工程包括在WAN中部署优化的路由。

    SEGMENT ROUTING BASED WIDE AREA NETWORK ORCHESTRATION IN A NETWORK ENVIRONMENT
    4.
    发明申请
    SEGMENT ROUTING BASED WIDE AREA NETWORK ORCHESTRATION IN A NETWORK ENVIRONMENT 有权
    网络环境下的基于区域路由的网络路由

    公开(公告)号：US20150117203A1

    公开(公告)日：2015-04-30

    申请号：US14244502

    申请日：2014-04-03

    Applicant: CISCO TECHNOLOGY, INC.

    Inventor： Clarence Filsfils ,  Thomas F. Telkamp ,  Alan Thornton Gous

    IPC: H04L12/707 ,  H04L12/803 ,  H04L12/721

    CPC classification number: H04L47/125 ,  H04L12/2854 ,  H04L12/4633 ,  H04L12/66 ,  H04L45/028 ,  H04L45/24 ,  H04L47/122 ,  H04L47/20

    Abstract: An example method for segment routing based wide area network (WAN) orchestration in a network environment is provided and includes monitoring a segment routing (SR) enabled WAN environment in at least near real-time by a path computation element (PCE) located outside the WAN, receiving an event notification at the PCE, and performing traffic engineering using SR to reroute traffic off shortest paths. In one embodiment, where a current state of the WAN is not pre-computed, performing traffic engineering comprises optimizing routes to remove violation of any utilization policies, deploying the optimized routes in the WAN, re-optimizing routes for other parameters, and further deploying the re-optimized routes in the WAN. In another embodiment, performing traffic engineering comprises optimizing routes to remove violation of any utilization policies and for other parameters, and deploying the optimized routes in the WAN. In another embodiment, performing traffic engineering comprises deploying optimized routes in the WAN.

    Abstract translation: 提供了一种用于在网络环境中基于广域网（WAN）业务流程的分段路由的示例方法，并且包括通过位于外部网络（WAN）的路径计算元件（PCE），至少近实时地监视启用了分段路由（SR）的WAN环境 WAN，在PCE接收到事件通知，并使用SR进行流量工程，将流量从最短路径重新路由。 在一个实施例中，当WAN的当前状态未预先计算时，执行流量工程包括优化路由以消除违反任何利用策略，在WAN中部署优化的路由，为其他参数重新优化路由，以及进一步部署 在WAN中重新优化的路由。 在另一个实施例中，执行流量工程包括优化路由以消除违反任何利用策略和其他参数，以及在WAN中部署优化的路由。 在另一个实施例中，执行流量工程包括在WAN中部署优化的路由。

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