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    Distributed Routing Controllers for Multi-Region SDWAN
    1.
    发明申请
    Distributed Routing Controllers for Multi-Region SDWAN 有权

    公开(公告)号：US20230052974A1

    公开(公告)日：2023-02-16

    申请号：US17586204

    申请日：2022-01-27

    Applicant: Cisco Technology, Inc.

    Inventor： Samir Thoria ,  Vivek Agarwal ,  Satish Kumar Mahadevan ,  Laxmikantha Reddy Ponnuru ,  Jean-Marc Barozet ,  Hamzah Kardame

    IPC: H04L45/64 ,  H04L9/40

    Abstract: According to some embodiments, a software defined wide area network (SD-WAN) includes a first region and a second region. The first region includes multiple first routing controllers and multiple first SD-WAN edge routers. The second region includes multiple second routing controllers and multiple second SD-WAN edge routers. Each first SD-WAN edge router of the first region is configured to establish Overlay Management Protocol (OMP) peering connections with the plurality of first routing controllers of the first region but to avoid establishing OMP peering connections with the plurality of second routing controllers of the second region. Each second SD-WAN edge router of the second region is configured to establish OMP peering connections with the plurality of second routing controllers of the second region but to avoid establishing OMP peering connections with the plurality of first routing controllers of the first region.

    Systems and methods for asymmetrical peer forwarding in an SD-WAN environment
    5.
    发明授权
    Systems and methods for asymmetrical peer forwarding in an SD-WAN environment 有权

    公开(公告)号：US12289232B2

    公开(公告)日：2025-04-29

    申请号：US18504576

    申请日：2023-11-08

    Applicant: Cisco Technology, Inc.

    Inventor： Laxmikantha Reddy Ponnuru ,  Arul Murugan Manickam ,  Michael David Tracy ,  Kannan Kumar ,  Hamzah Kardame

    IPC: H04L45/00 ,  H04L45/028 ,  H04L45/44

    Abstract: In one embodiment, a method includes receiving, by a first node of a node cluster in a software-defined wide area network (SD-WAN), traffic from a wide area network (WAN), assigning, by the first node of the node cluster, flow ownership of the traffic to the first node, and communicating, by the first node of the node cluster, the traffic to a local area network (LAN). The method also includes receiving, by the first node of the node cluster, return traffic from a second node of the node cluster and detecting, by the first node of the node cluster, a diversion of the return traffic. The method further includes relinquishing, by the first node of the node cluster, the flow ownership and assigning, by the first node of the node cluster, the flow ownership to the second node of the node cluster.

    Distributed routing controllers for multi-region SDWAN
    6.
    发明授权
    Distributed routing controllers for multi-region SDWAN 有权

    公开(公告)号：US11916786B2

    公开(公告)日：2024-02-27

    申请号：US17586204

    申请日：2022-01-27

    Applicant: Cisco Technology, Inc.

    Inventor： Samir Thoria ,  Vivek Agarwal ,  Satish Kumar Mahadevan ,  Laxmikantha Reddy Ponnuru ,  Jean-Marc Barozet ,  Hamzah Kardame

    IPC: H04L45/64 ,  H04L9/40 ,  H04L45/02 ,  H04L41/0894

    CPC classification number: H04L45/64 ,  H04L41/0894 ,  H04L45/02 ,  H04L63/029

    Abstract: According to some embodiments, a software defined wide area network (SD-WAN) includes a first region and a second region. The first region includes multiple first routing controllers and multiple first SD-WAN edge routers. The second region includes multiple second routing controllers and multiple second SD-WAN edge routers. Each first SD-WAN edge router of the first region is configured to establish Overlay Management Protocol (OMP) peering connections with the plurality of first routing controllers of the first region but to avoid establishing OMP peering connections with the plurality of second routing controllers of the second region. Each second SD-WAN edge router of the second region is configured to establish OMP peering connections with the plurality of second routing controllers of the second region but to avoid establishing OMP peering connections with the plurality of first routing controllers of the first region.

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