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    Fast convergence for MAC mobility
    1.
    发明授权
    Fast convergence for MAC mobility 有权

    公开(公告)号：US11088871B1

    公开(公告)日：2021-08-10

    申请号：US16788072

    申请日：2020-02-11

    Applicant: Juniper Networks, Inc.

    Inventor： Wen Lin ,  Ravi Shekhar ,  Vamshi Krishna Voruganti ,  Aldrin Isaac ,  SelvaKumar Sivaraj ,  Sean A. Mentzer ,  John E. Drake

    IPC: H04L12/46 ,  H04L29/12 ,  H04L12/66 ,  H04L12/723

    Abstract: A first provider edge device may receive device information from a second provider edge device included in an Ethernet virtual private network (EVPN). The device information may identify a media access control (MAC) address and may indicate that the device is connected to the second provider edge device. The first provider edge device may receive data transmitted by the device and may determine, based on information included in the data, that the device has moved from the second provider edge device to the first provider edge device. The first provider edge device may generate a data packet including mobility information indicating that the device has moved to the first provider edge device. The first provider edge device may transmit, via a data plane of the EVPN, the data packet to the second provider edge device to permit the second provider edge device to update routing information for the device.

    Auto-discovery of replication node and remote VTEPs in VXLANs
    4.
    发明授权
    Auto-discovery of replication node and remote VTEPs in VXLANs 有权

    公开(公告)号：US10103902B1

    公开(公告)日：2018-10-16

    申请号：US14674285

    申请日：2015-03-31

    Applicant: Juniper Networks, Inc.

    Inventor： Prabakaran Thirumali Sampath ,  SelvaKumar Sivaraj ,  Ravi Shekhar

    IPC: H04L12/28 ,  H04L12/46 ,  H04L12/721 ,  H04L12/741 ,  H04L12/947 ,  H04L29/06 ,  H04L12/66

    Abstract: This disclosure describes techniques for utilizing VXLANs within a network, such as a data center, for transporting L2 customer communications. Moreover, the disclosure describes techniques for auto-discovering, for each VXLAN, a corresponding replication node for replicating and distributing unknown destination, broadcast, and multicast frames to VXLAN Tunnel Endpoints (“VTEPs”) within the data center. Further, the techniques facilitate, by the replication node, discovery and auto-registration of the VTEPs for the respective customer network. As such, the techniques may facilitate configuration of VXLANs without necessarily relying on multicast protocols to provide such functionality. In this way, the techniques described herein may be used to supplement or even replace reliance on multicast protocols, such as the Protocol Independent Multicast (PIM) protocol, when configuring VXLANs within a network.

    Methods and apparatus for using virtual local area networks in a switch fabric
    6.
    发明授权
    Methods and apparatus for using virtual local area networks in a switch fabric 有权
    在交换结构中使用虚拟局域网的方法和装置

    公开(公告)号：US09491090B1

    公开(公告)日：2016-11-08

    申请号：US13722094

    申请日：2012-12-20

    Applicant: Juniper Networks, Inc.

    Inventor： Abhay Kumar ,  Pavan Kumar Tappal Ramakrishnaiah ,  Ravi Shekhar ,  Amit Kumar Saha ,  Easwar Swaminathan

    IPC: H04L12/761 ,  H04L12/46

    CPC classification number: H04L12/18 ,  H04L12/4641 ,  H04L12/4645 ,  H04L45/16 ,  H04L45/24 ,  H04L45/72 ,  H04L49/25

    Abstract: In some embodiments, a switch module is configured to receive from a first edge device a multicast data unit having a VLAN identifier. The switch module is configured to select a set of port modules based on the VLAN identifier. The switch module is configured to define an unmodified instance of the multicast data unit for each port module from the set of port modules. The switch module is configured to send the unmodified instance of the multicast data unit to each port module from the set of port modules, such that each port module applies a filter to the received instance of the multicast data unit to restrict that received instance of the multicast data unit from being sent to a second edge device via that port module if the second edge device is associated with a VLAN domain different than a VLAN domain of the first edge device.

    Abstract translation: 在一些实施例中，交换机模块被配置为从第一边缘设备接收具有VLAN标识符的多播数据单元。 交换机模块配置为根据VLAN标识选择一组端口模块。 交换机模块被配置为从该组端口模块为每个端口模块定义组播数据单元的未修改实例。 所述交换机模块被配置为从所述端口模块集合向所述端口模块发送所述多播数据单元的未修改实例，使得每个端口模块向接收到的所述多播数据单元的实例应用过滤器，以限制所接收的所述实例 多播数据单元如果第二边缘设备与不同于第一边缘设备的VLAN域的VLAN域相关联，则经由该端口模块被发送到第二边缘设备。

    METHODS AND APPARATUS FOR AUTOMATICALLY PROVISIONING RESOURCES WITHIN A DISTRIBUTED CONTROL PLANE OF A SWITCH
    7.
    发明申请
    METHODS AND APPARATUS FOR AUTOMATICALLY PROVISIONING RESOURCES WITHIN A DISTRIBUTED CONTROL PLANE OF A SWITCH 审中-公开
    用于在开关的分布式控制平面中自动提供资源的方法和装置

    公开(公告)号：US20160134565A1

    公开(公告)日：2016-05-12

    申请号：US14997194

    申请日：2016-01-15

    Applicant: Juniper Networks, Inc.

    Inventor： Quaizar Vohra ,  Ravi Shekhar ,  Umesh Kondur ,  Arijit Sarcar

    IPC: H04L12/947 ,  H04L29/12 ,  H04L12/931 ,  H04L12/24

    CPC classification number: H04L49/25 ,  H04L29/12207 ,  H04L41/0806 ,  H04L41/12 ,  H04L49/70 ,  H04L61/20

    Abstract: In some embodiments, a network management module is operatively coupled to a set of edge devices that are coupled to a set of peripheral processing devices. The network management module can receive a signal associated with a broadcast protocol from an edge device from the set of edge devices in response to that edge device being operatively coupled to a switch fabric. The network management module can provision that edge device in response to receiving the signal. The network management module can define multiple network control entities at the set of edge devices such that each network control entity from the multiple network control entities can provide forwarding-state information associated with at least one peripheral processing device from the set of peripheral processing devices to at least one remaining network control entity from the multiple network control entities using a selective protocol.

    Abstract translation: 在一些实施例中，网络管理模块可操作地耦合到耦合到一组外围处理设备的一组边缘设备。 响应于该边缘设备可操作地耦合到交换结构，网络管理模块可以从边缘设备集合边缘设备接收与广播协议相关联的信号。 网络管理模块可以根据接收到的信号来配置边缘设备。 网络管理模块可以在边缘设备集合上定义多个网络控制实体，使得来自多个网络控制实体的每个网络控制实体可以提供与至少一个外围处理设备相关联的转发状态信息，从外围处理设备组到 使用选择性协议来自多个网络控制实体的至少一个剩余的网络控制实体。

    OPTIMIZING INFORMATION RELATED TO A ROUTE AND/OR A NEXT HOP FOR MULTICAST TRAFFIC
    9.
    发明申请
    OPTIMIZING INFORMATION RELATED TO A ROUTE AND/OR A NEXT HOP FOR MULTICAST TRAFFIC 审中-公开

    公开(公告)号：US20190149452A1

    公开(公告)日：2019-05-16

    申请号：US16245385

    申请日：2019-01-11

    Applicant: Juniper Networks, Inc.

    Inventor： Vijayananda Jayaraman ,  Ravi Shekhar ,  Sri Ram N. Bathina ,  Shashvat A. Thakor

    IPC: H04L12/761 ,  H04L12/701 ,  H04L12/18 ,  H04L12/46 ,  H04L12/733

    Abstract: A first device may receive information that identifies a second device. The second device may be connected to the first device or a third device. The second device may be a source of traffic to be received by the first device. The first device may determine whether the second device is local or remote to the first device based on receiving the information. The first device may store first information or second information based on determining whether the second device is local or remote. The first information may identify a route associated with the second device. The second information may identify a single route associated with multiple second devices. The first device may provide the traffic using the first information or the second information after storing the first information or the second information.

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