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    Adaptive load balancing for single active redundancy using EVPN designated forwarder election
    2.
    发明授权
    Adaptive load balancing for single active redundancy using EVPN designated forwarder election 有权

    公开(公告)号：US09735983B1

    公开(公告)日：2017-08-15

    申请号：US14500120

    申请日：2014-09-29

    Applicant: Juniper Networks, Inc.

    Inventor： Manoj Sharma ,  Shrinivasa Kini ,  Siddharth A. Tuli ,  Tapraj Singh ,  Sunesh Rustagi

    IPC: H04L12/28 ,  H04L12/46

    CPC classification number: H04L12/4675

    Abstract: A provider edge (PE) device may receive an indication to perform a designated forwarder (DF) election associated with a network segment that includes the PE device, one or more other PE devices, and a client edge (CE) device. The PE device, the one or more other PE devices, and the CE device may be associated with an Ethernet virtual private network (EVPN) that includes a group of EVPN instances (EVIs). The PE device may perform the DF election in order to determine election information associated with the PE device. The election information may include information associated with a particular EVI, of the group of EVIs, for which the PE device is to act as a DF. The PE device may provide the election information to the CE device to cause the CE device to provide traffic, associated with a particular VLAN included in the particular EVI, to the PE device.

    Distributed network subnet
    4.
    发明授权
    Distributed network subnet 有权
    分布式网络子网

    公开(公告)号：US09055000B1

    公开(公告)日：2015-06-09

    申请号：US13717533

    申请日：2012-12-17

    Applicant: Juniper Networks, Inc.

    Inventor： Kaushik Ghosh ,  Ramasamy Ramanathan ,  Anil Lohiya ,  Manoj Sharma ,  Shrinivasa Kini ,  Cunzhi Lu

    IPC: H04L12/56 ,  H04L12/721

    CPC classification number: H04L45/66 ,  H04L45/00 ,  H04L45/50 ,  H04L45/74 ,  H04L49/604 ,  H04L61/2015

    Abstract: In general, techniques for facilitating a distributed network (L3) subnet by which multiple independent control planes of network devices connected to physically separate L2 networks provide L2 reachability to/from a single L3 subnet. In some examples, a shared L2 network physically situated to connect a plurality of physically separate L2 networks “stitches” the L2 networks together within the respective, independent control planes of switches such that the control planes bridge L2 traffic for a single bridge domain for the separate L2 networks to the shared L2 network and visa-versa. Each of the independent control planes may be configured with a virtual IRB instance associated with the bridge domain and with a common network subnet. Each of the virtual IRBs provides a functionally similar routing interface for the single bridge domain for the separate L2 networks and allows the shared network subnet to be distributed among the independent control planes.

    Abstract translation: 通常，用于促进分布式网络（L3）子网的技术通过其连接到物理上分离的L2网络的网络设备的多个独立控制平面提供到/来自单个L3子网的L2可达性。 在一些示例中，物理地定位以连接多个物理上分离的L2网络的共享L2网络将L2网络在交换机的相应的独立控制平面内“联结”在一起，使得控制平面桥接用于单桥域的L2业务 将L2网络分离到共享的L2网络，反之亦然。 每个独立控制平面可以配置有与网桥域相关联的虚拟IRB实例以及公共网络子网。 每个虚拟IRB为单独的L2网络的单桥域提供功能相似的路由接口，并允许共享网络子网在独立控制平面之间分布。

    Distributed network subnet
    6.
    发明授权
    Distributed network subnet 有权

    公开(公告)号：US09838309B1

    公开(公告)日：2017-12-05

    申请号：US14733532

    申请日：2015-06-08

    Applicant: Juniper Networks, Inc.

    Inventor： Kaushik Ghosh ,  Ramasamy Ramanathan ,  Anil Lohiya ,  Manoj Sharma ,  Shrinivasa Kini ,  Cunzhi Lu

    IPC: H04L12/721 ,  H04L12/741 ,  H04L29/12 ,  H04L12/701 ,  H04L12/723 ,  H04L12/931

    CPC classification number: H04L45/66 ,  H04L45/00 ,  H04L45/50 ,  H04L45/74 ,  H04L49/604 ,  H04L61/2015

    Abstract: In general, techniques for facilitating a distributed network (L3) subnet by which multiple independent control planes of network devices connected to physically separate L2 networks provide L2 reachability to/from a single L3 subnet. In some examples, a shared L2 network physically situated to connect a plurality of physically separate L2 networks “stitches” the L2 networks together within the respective, independent control planes of switches such that the control planes bridge L2 traffic for a single bridge domain for the separate L2 networks to the shared L2 network and visa-versa. Each of the independent control planes may be configured with a virtual IRB instance associated with the bridge domain and with a common network subnet. Each of the virtual IRBs provides a functionally similar routing interface for the single bridge domain for the separate L2 networks and allows the shared network subnet to be distributed among the independent control planes.

    FAST CONVERGENCE ON LINK FAILURE IN MULTI-HOMED ETHERNET VIRTUAL PRIVATE NETWORKS
    7.
    发明申请
    FAST CONVERGENCE ON LINK FAILURE IN MULTI-HOMED ETHERNET VIRTUAL PRIVATE NETWORKS 有权
    多重以太网虚拟网络中链路故障的快速融合

    公开(公告)号：US20160191374A1

    公开(公告)日：2016-06-30

    申请号：US14587839

    申请日：2014-12-31

    Applicant: Juniper Networks, Inc.

    Inventor： Nitin Singh ,  Anshu Verma ,  Sudha Madhavi Yeevani ,  Manoj Sharma ,  Hassan C. Hosseini ,  Prasantha Kumar Gudipati

    IPC: H04L12/707 ,  H04L12/721 ,  H04L12/709 ,  H04L12/24 ,  H04L12/46 ,  H04L12/703 ,  H04L12/723

    CPC classification number: H04L45/22 ,  H04L12/4641 ,  H04L41/00 ,  H04L41/0654 ,  H04L45/24 ,  H04L45/245 ,  H04L45/28

    Abstract: Techniques are described for providing fast convergence in the event of a link failure in an all-active multi-homed Ethernet virtual private network. A provide edge (PE) network device may pre-configure an interface next hop and secondary next hops. The secondary next hops may be logical links to other PE network devices in the same Ethernet segment. In the event of a link failure in the interface next hop between the PE network device and a customer edge (CE) network device, the PE network device may be configured to forward data traffic to the CE network device using the secondary next hops. In the event of a link failure between the PE network device and a core network, the PE network device may be configured to send an out-of-service message to the CE network device that instructs the CE network device to stop sending traffic to the PE network device.

    Abstract translation: 描述了在所有活动的多宿主以太网虚拟专用网络中的链路故障的情况下提供快速收敛的技术。 提供边缘（PE）网络设备可以预先配置接口下一跳和次级下一跳。 次级下一跳可以是到相同以太网段中的其他PE网络设备的逻辑链路。 在PE网络设备和客户端（CE）网络设备之间的接口下一跳链路故障的情况下，PE网络设备可以被配置为使用次级下一跳将数据业务转发到CE网络设备。 在PE网络设备与核心网络发生链路故障的情况下，可以将PE网络设备配置为向CE网络设备发送失效消息，指示CE网络设备停止向 PE网络设备。

    Processing inter-VLAN traffic in an ethernet tree
    8.
    发明授权
    Processing inter-VLAN traffic in an ethernet tree 有权

    公开(公告)号：US10187304B2

    公开(公告)日：2019-01-22

    申请号：US15058416

    申请日：2016-03-02

    Applicant: Juniper Networks, Inc.

    Inventor： Manoj Sharma ,  Wen Lin ,  Nitin Singh ,  John E. Drake

    IPC: H04L12/753 ,  H04L12/46 ,  H04L12/715 ,  H04L12/18 ,  H04L12/741 ,  H04L12/721

    Abstract: A device may receive, from a first device associated with a first LAN, network traffic destined for a second LAN. The device may provide the first LAN with access to a core network. The device may not provide the second LAN with access to the core network. The device may identify, based on the network traffic, a Layer 3 address associated with a second device. The second device may be associated with the second LAN. The device may determine that the first device is categorized as a leaf device within an Ethernet Tree provided by the device. The device may determine, based on the Layer 3 address, that the second device is categorized as a leaf device within the Ethernet Tree. The device may drop the network traffic based on determining that the first device and the second device are categorized as leaf devices within the Ethernet Tree.

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