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1. 发明授权

US10103902B1 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
申请人： Juniper Networks, Inc.
发明人： Prabakaran Thirumali Sampath , SelvaKumar Sivaraj , Ravi Shekhar
IPC分类号： H04L12/28 , H04L12/46 , H04L12/721 , H04L12/741 , H04L12/947 , H04L29/06 , H04L12/66
摘要： 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.

2. 发明授权

US09900247B2 Media access control address and internet protocol address binding proxy advertisement for network devices of a network 有权
公开(公告)号：US09900247B2
公开(公告)日：2018-02-20
申请号：US15012057
申请日：2016-02-01
申请人： Juniper Networks, Inc.
发明人： Selvakumar Sivaraj , Wen Lin , Ravi Shekhar , Vasudevan Venkatraman
IPC分类号： H04L12/721 , H04L29/12 , H04W48/16
CPC分类号： H04L45/66 , H04L61/103 , H04L61/2007 , H04L61/6022 , H04W48/16
摘要： A device may receive, via a first message, first route information for directing network traffic for a network. The first route information may identify a media access control (MAC) route corresponding to a MAC address associated with a host device connecting to a subnet of the network. The first route information may fail to include Internet protocol (IP)/MAC binding information associated with the host device. The device may transmit a request for IP/MAC binding information associated with the host device. The device may receive a response, to the request for IP/MAC binding information, identifying the IP/MAC binding information. The device may advertise, via a second message, second route information for directing network traffic for the network based on receiving the response identifying the IP/MAC binding information. The second route information may identify the IP/MAC binding information associated with the host device.

3. 发明授权

US09491090B1 Methods and apparatus for using virtual local area networks in a switch fabric 有权
标题翻译：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
申请人： Juniper Networks, Inc.
发明人： Abhay Kumar , Pavan Kumar Tappal Ramakrishnaiah , Ravi Shekhar , Amit Kumar Saha , Easwar Swaminathan
IPC分类号： H04L12/761 , H04L12/46
CPC分类号： H04L12/18 , H04L12/4641 , H04L12/4645 , H04L45/16 , H04L45/24 , H04L45/72 , H04L49/25
摘要： 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.
摘要翻译：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。

4. 发明申请

US20160134565A1 METHODS AND APPARATUS FOR AUTOMATICALLY PROVISIONING RESOURCES WITHIN A DISTRIBUTED CONTROL PLANE OF A SWITCH 审中-公开
标题翻译：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
申请人： Juniper Networks, Inc.
发明人： Quaizar Vohra , Ravi Shekhar , Umesh Kondur , Arijit Sarcar
IPC分类号： H04L12/947 , H04L29/12 , H04L12/931 , H04L12/24
CPC分类号： H04L49/25 , H04L29/12207 , H04L41/0806 , H04L41/12 , H04L49/70 , H04L61/20
摘要： 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.
摘要翻译：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。

5. 发明授权

US11088871B1 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
申请人： Juniper Networks, Inc.
发明人： Wen Lin , Ravi Shekhar , Vamshi Krishna Voruganti , Aldrin Isaac , SelvaKumar Sivaraj , Sean A. Mentzer , John E. Drake
IPC分类号： H04L12/46 , H04L29/12 , H04L12/66 , H04L12/723
摘要： 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.

6. 发明授权

US09819614B2 Methods and apparatus for a distributed fibre channel control plane 有权
公开(公告)号：US09819614B2
公开(公告)日：2017-11-14
申请号：US15349875
申请日：2016-11-11
申请人： Juniper Networks, Inc.
发明人： Amit Shukla , Suresh Boddapati , Joseph White , Ravi Shekhar , Jeevan Kamisetty
IPC分类号： H04L12/931 , H04L29/12 , H04L12/46 , H04L12/935 , H04L29/06
CPC分类号： H04L49/357 , H04L12/4675 , H04L12/4679 , H04L49/30 , H04L49/351 , H04L49/354 , H04L61/2038 , H04L61/6022 , H04L61/6045 , H04L65/102
摘要： In some embodiments, a system includes a set of network control entities associated with a distributed multi-stage switch. Each network control entity from the set of network control entities is configured to manage at least one edge device having a set of ports and coupled to the distributed multi-stage switch. Each network control entity from the set of network control entities is associated with a unique set of identifiers. A network control entity from the set of network control entities is configured to assign a unique identifier from its unique set of identifiers to a port from the set of ports of the at least one edge device in response to the network control entity receiving a login request associated with the port.

7. 发明授权

US09509637B1 Methods and apparatus for virtualizing switch control plane engine 有权
公开(公告)号：US09509637B1
公开(公告)日：2016-11-29
申请号：US14621878
申请日：2015-02-13
申请人： Juniper Networks, Inc.
发明人： Ravi Shekhar , Quaizar Vohra , Michael O'Gorman , Aleksandar Ratkovic , Jean-Marc Frailong , Shesha Sreenivasamurthy
IPC分类号： H04L12/24 , H04L12/947 , H04L12/50 , H04L12/46
CPC分类号： G06F9/45558 , G06F2009/4557 , G06F2009/45595 , H04L12/4641 , H04L12/50 , H04L41/0896 , H04L49/25
摘要： In some embodiments, an apparatus includes a scheduler disposed at a control device of a switch fabric system. The scheduler is configured to receive a control plane request associated with the switch fabric system having a data plane and a control plane separate from the data plane. The scheduler is configured to designate a control plane entity based on the control plane request and state information of each control plane entity from a set of control plane entities associated with the control plane and instantiated as a virtual machine. The scheduler is configured to send a signal to a compute device of the switch fabric system in response to the control plane request such that the control plane entity is instantiated as a virtual machine at the compute device.

8. 发明申请

US20190149452A1 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
申请人： Juniper Networks, Inc.
发明人： Vijayananda Jayaraman , Ravi Shekhar , Sri Ram N. Bathina , Shashvat A. Thakor
IPC分类号： H04L12/761 , H04L12/701 , H04L12/18 , H04L12/46 , H04L12/733
摘要： 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.

9. 发明授权

US09992137B2 Methods and apparatus for a distributed Fibre Channel control plane 有权
公开(公告)号：US09992137B2
公开(公告)日：2018-06-05
申请号：US15402529
申请日：2017-01-10
申请人： Juniper Networks, Inc.
发明人： Amit Shukla , Suresh Boddapati , Joseph White , Ravi Shekhar , Jeevan Kamisetty
IPC分类号： H04L12/931 , H04L29/12
CPC分类号： H04L49/357 , H04L12/4675 , H04L12/4679 , H04L49/30 , H04L49/351 , H04L49/354 , H04L61/2038 , H04L61/6022 , H04L61/6045 , H04L65/102
摘要： In some embodiments, an apparatus includes a management module configured to assign a unique set of identifiers to each network control entity from a set of network control entities. As a result, a network control entity from the set of network control entities can assign an identifier from its unique set of identifiers to a port in response to that network control entity receiving a login request from the port. The set of network control entities is associated with a distributed multi-stage switch. The management module is also configured to store a zone set database associated with the distributed multi-stage switch. The management module is configured to send an instance of an active zone set stored within the zone set database to each network control entity from the set of network control entities such that each network control entity can enforce the active zone set.

10. 发明授权

US10887119B2 Multicasting within distributed control plane of a switch 有权
公开(公告)号：US10887119B2
公开(公告)日：2021-01-05
申请号：US15799592
申请日：2017-10-31
申请人： Juniper Networks, Inc.
发明人： Sreekanth Reddy , Ravi Shekhar , Jeelani Syed , Quaizar Vohra
IPC分类号： H04L12/00 , H04L12/18 , H04L12/931 , H04L12/46
摘要： In some embodiments, a non-transitory processor-readable medium stores code representing instructions configured to cause a processor to receive, from an access switch, a first signal including forwarding state information associated with a first peripheral processing device from a set of peripheral processing devices. The code can further represent instructions configured to cause the processor to receive, from the first peripheral processing device, a second signal including a data packet. The code can further represent instructions configured to cause the processor to send, to a replication engine associated with the set of peripheral processing devices, a third signal such that the replication engine (1) defines a copy of the data packet, which is included within the third signal, and (2) sends, to a second peripheral processing device from the set of peripheral processing devices, a fourth signal including the copy of the data packet.

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