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51. 发明授权

US09882776B2 Methods and apparatus for configuring a virtual network switch 有权
公开(公告)号：US09882776B2
公开(公告)日：2018-01-30
申请号：US14566179
申请日：2014-12-10
申请人： Juniper Networks, Inc.
发明人： Gunes Aybay , Pradeep Sindhu , Anjan Venkatramani
IPC分类号： H04L12/24 , H04L12/725 , H04L12/26 , H04L12/801 , H04L12/931 , H04L29/06
CPC分类号： H04L41/0813 , H04L41/0806 , H04L43/0817 , H04L45/306 , H04L47/12 , H04L49/35 , H04L49/65 , H04L49/70 , H04L63/0263
摘要： In one embodiment, a method includes sending a configuration signal to a virtual network switch module within a control plane of a communications network. The configuration signal is configured to define a first network rule at the virtual network switch module. The method also includes configuring a packet forwarding module such that the packet forwarding module implements a second network rule, and receiving status information from the virtual network switch module and status information from the packet forwarding module. The status information is received via the control plane.

52. 发明授权

US09876725B2 Methods and apparatus for flow-controllable multi-staged queues 有权
公开(公告)号：US09876725B2
公开(公告)日：2018-01-23
申请号：US14628726
申请日：2015-02-23
申请人： Juniper Networks, Inc.
发明人： Avanindra Godbole , Pradeep Sindhu , Jean-Marc Frailong
IPC分类号： H04L12/26 , H04L12/835 , H04L12/801 , H04L12/825 , H04L12/869 , H04L12/861 , H04L12/863 , H04L12/931
CPC分类号： H04L47/30 , H04L47/10 , H04L47/11 , H04L47/26 , H04L47/263 , H04L47/266 , H04L47/50 , H04L47/60 , H04L49/505 , H04L49/90
摘要： In one embodiment, a method includes sending a first flow control signal to a first stage of transmit queues when a receive queue is in a congestion state. The method also includes sending a second flow control signal to a second stage of transmit queues different from the first stage of transmit queues when the receive queue is in the congestion state.

53. 发明授权

US09800494B2 Method and media for a tunneled wired/wireless network 有权
公开(公告)号：US09800494B2
公开(公告)日：2017-10-24
申请号：US15196676
申请日：2016-06-29
申请人： Juniper Networks, Inc.
发明人： Pradeep Sindhu , Abhijit Choudhury , James Murphy , Raghavendra Mallya , Pranay Pogde , Phalguni Nanda , Jayabharat Boddu , Gunes Aybay , Anjan Venkatramani
IPC分类号： H04L12/723 , H04L12/46 , H04W84/12 , H04W88/08
CPC分类号： H04L45/50 , H04L12/4633 , H04W84/12 , H04W88/08
摘要： In some embodiments, an apparatus comprises a core network node and a control module within an enterprise network architecture. The core network node is configured to be operatively coupled to a set of wired network nodes and a set of wireless network nodes. The core network node is configured to receive a first tunneled packet associated with a first session from a wired network node from the set of wired network nodes. The core network node is configured to also receive a second tunneled packet associated with a second session from a wireless network node from the set of wireless network nodes through intervening wired network nodes from the set of wired network nodes. The control module is operatively coupled to the core network node. The control module is configured to manage the first session and the second session.

54. 发明授权

US09667492B2 Methods and apparatus for selecting a master virtual processor within a switch fabric element 有权
公开(公告)号：US09667492B2
公开(公告)日：2017-05-30
申请号：US14603901
申请日：2015-01-23
申请人： Juniper Networks, Inc.
发明人： Gunes Aybay , Pradeep Sindhu , Anjan Venkatramani
IPC分类号： H04L12/24 , H04L12/28 , G06F13/40 , H04L12/771 , H04L1/00
CPC分类号： H04L41/082 , G06F13/4022 , G06F2213/0058 , H04L1/00 , H04L12/28 , H04L41/12 , H04L45/563
摘要： In some embodiments, an apparatus comprises a processing module, disposed within a first switch fabric element, configured to detect a second switch fabric element having a routing module when the second switch fabric element is operatively coupled to the first switch fabric element. The processing module is configured to define a virtual processing module configured to be operatively coupled to the second switch fabric element. The virtual processing module is configured to receive a request from the second switch fabric element for forwarding information and the virtual processing module is configured to send the forwarding information to the routing module.

55. 发明申请

US20170134836A1 METHODS AND APPARATUS FOR A FLATTENED DATA CENTER NETWORK EMPLOYING WAVELENGTH-AGNOSTIC ENDPOINTS 有权
公开(公告)号：US20170134836A1
公开(公告)日：2017-05-11
申请号：US14938592
申请日：2015-11-11
申请人： Juniper Networks, Inc.
发明人： Pradeep Sindhu , Roberto Marcoccia , Theodore J. Schmidt , George R. Sosnowski , Christian Malouin
IPC分类号： H04Q11/00
CPC分类号： H04Q11/0066 , H04B10/572 , H04J14/02 , H04J14/021 , H04J14/0212 , H04J14/0216 , H04J14/0286 , H04Q11/0005 , H04Q11/0071 , H04Q2011/0016 , H04Q2011/0018 , H04Q2011/006 , H04Q2011/0086
摘要： In some embodiments, a system includes a set of servers, a set of switches within a switch fabric, and an optical device. The optical device is operatively coupled to the set of servers via a first set of optical fibers. Each server from the set of servers is associated with at least one wavelength from a set of wavelengths upon connection to the optical device. The optical device is operatively coupled to each switch from a set of switches via an optical fiber from a second set of optical fibers. The optical device, when operative, wavelength demultiplexes optical signals received from each switch from the set of switches, and sends, for each wavelength from the set of wavelengths, optical signals for that wavelength to the server from the set of servers.

56. 发明授权

US09634928B2 Mesh network of simple nodes with centralized control 有权
公开(公告)号：US09634928B2
公开(公告)日：2017-04-25
申请号：US14500793
申请日：2014-09-29
申请人： Juniper Networks, Inc.
发明人： Abhijit Kumar Choudhury , James Michael Murphy , Jayabharat Boddu , Pradeep Sindhu
IPC分类号： H04L12/717 , H04W40/04 , H04W40/24 , H04L12/751 , H04L12/703 , H04W84/18
CPC分类号： H04L45/42 , H04L45/02 , H04L45/28 , H04W40/04 , H04W40/24 , H04W84/18
摘要： A mesh network of wired and/or wireless nodes is described in which a centralized controller provides seamless end-to-end service from the edge of the mesh network to mesh nodes located proximate to subscriber devices. The controller operates to provide a central configuration point for configuring forwarding planes of the mesh nodes of the mesh network, so as to set up transport data channels to transport traffic from the edge nodes via the mesh nodes to the subscriber devices.

57. 发明授权

US09596169B2 Dynamic control channel establishment for software-defined networks having centralized control 有权
标题翻译：具有集中控制的软件定义网络的动态控制信道建立
公开(公告)号：US09596169B2
公开(公告)日：2017-03-14
申请号：US14788282
申请日：2015-06-30
申请人： Juniper Networks, Inc.
发明人： Abhijit K. Choudhury , James M. Murphy , Pradeep Sindhu , Jayabharat Boddu
IPC分类号： H04L12/28 , H04L12/721 , H04L12/751 , H04L12/733 , H04L12/723 , H04L12/755 , H04L12/717 , H04L12/801 , H04L12/24
CPC分类号： H04L45/26 , H04L41/0654 , H04L41/12 , H04L45/02 , H04L45/021 , H04L45/026 , H04L45/122 , H04L45/42 , H04L45/50 , H04L45/507 , H04L45/68 , H04L47/12
摘要： Dynamic control channel establishment for an access network is described in which a centralized controller provides seamless end-to-end service from a core-facing edge of a network to access nodes. For example, a method includes receiving, by the centralized controller, a discover message originating from a network node, which includes an intermediate node list that specifies a plurality of network nodes the discover message traversed from the network node to an edge node, determining, based on the plurality of nodes specified by the discover message, a path from the edge node to the network node, allocating each of a plurality of Multi-protocol Label Switching (MPLS) labels to a respective outgoing interface of each of the plurality of network nodes, and outputting one or more control messages for configuring the network node, wherein the control messages are encapsulated within a label stack comprising the allocated plurality of labels.
摘要翻译：描述了用于接入网络的动态控制信道建立，其中集中控制器从网络的面向核心的边缘到接入节点提供无缝的端到端服务。例如，一种方法包括由集中式控制器接收源自网络节点的发现消息，该消息包括指定多个网络节点的中间节点列表，该发现消息从网络节点穿过到边缘节点，基于由所述发现消息指定的所述多个节点，从所述边缘节点到所述网络节点的路径，将多个多协议标签交换（MPLS）标签中的每一个分配给所述多个网络中的每一个的相应输出接口并且输出用于配置网络节点的一个或多个控制消息，其中所述控制消息被封装在包括所分配的多个标签的标签堆栈内。

58. 发明申请

US20170019351A1 NETWORK INTERFACE CARD HAVING EMBEDDED VIRTUAL ROUTER 审中-公开
标题翻译：具有嵌入式虚拟路由器的网络接口卡
公开(公告)号：US20170019351A1
公开(公告)日：2017-01-19
申请号：US15281021
申请日：2016-09-29
申请人： Juniper Networks, Inc.
发明人： Pradeep Sindhu
IPC分类号： H04L12/937 , H04L12/715 , H04L12/46 , H04L12/933 , H04L12/931
CPC分类号： H04L49/253 , H04L12/4633 , H04L45/64 , H04L47/6215 , H04L49/10 , H04L49/70
摘要： A high-performance, scalable and drop-free data center switch fabric and infrastructure is described. The data center switch fabric may leverage low cost, off-the-shelf packet-based switching components (e.g., IP over Ethernet (IPoE)) and overlay forwarding technologies rather than proprietary switch fabric. In one example, host network accelerators (HNAs) are positioned between servers (e.g., virtual machines or dedicated servers) of the data center and an IPoE core network that provides point-to-point connectivity between the servers. The HNAs are hardware devices that embed virtual routers on one or more integrated circuits, where the virtual router are configured to extend the one or more virtual networks to the virtual machines and to seamlessly transport packets over the switch fabric using an overlay network. In other words, the HNAs provide hardware-based, seamless access interfaces to overlay technologies used for communicating packet flows through the core switching network of the data center.
摘要翻译：描述了高性能，可扩展和无丢包的数据中心交换结构和基础架构。数据中心交换结构可以利用低成本，现成的基于分组的交换组件（例如，IP over Ethernet（IPoE））和覆盖转发技术而不是专有交换结构。在一个示例中，主机网络加速器（HNA）位于数据中心的服务器（例如，虚拟机或专用服务器）之间，以及提供服务器之间的点对点连接的IPoE核心网络。 HNA是将虚拟路由器嵌入到一个或多个集成电路上的硬件设备，其中虚拟路由器被配置为将一个或多个虚拟网络扩展到虚拟机，并且使用覆盖网络通过交换结构无缝地传输分组。换句话说，HNA提供基于硬件的无缝接入接口，用于通过数据中心的核心交换网络传送分组流的覆盖技术。

59. 发明授权

US09178787B2 Distributed admission control 有权
标题翻译：分布式准入控制
公开(公告)号：US09178787B2
公开(公告)日：2015-11-03
申请号：US14092332
申请日：2013-11-27
申请人： JUNIPER NETWORKS, INC.
发明人： Pradeep Sindhu
IPC分类号： H04L12/26 , H04L12/54 , H04L12/911 , H04L12/927 , H04L5/00
CPC分类号： H04L43/0852 , H04L5/0058 , H04L43/0829 , H04L47/70 , H04L47/726 , H04L47/743 , H04L47/745 , H04L47/783 , H04L47/801 , H04L47/822
摘要： A first network client requests initiation of a data transfer with a second network client. An admission control facility (ACF) responds to the initiation request by performing admission analysis to determine whether to initiate the data transfer. The ACF sends one or more packets to the second network client. In response, the second network client sends acknowledgment packets back to the ACF. The ACF performs admission analysis based on the packets sent and the acknowledgment packets, and determines whether the data transfer should be initiated based on the analysis. The admission analysis may be based on a variety of factors, such as the average time to receive an acknowledgment for each packet, the variance of the time to receive an acknowledgment for each packet, a combination of these factors, or a combination of these and other factors.
摘要翻译：第一网络客户端请求与第二网络客户端发起数据传输。准入控制设备（ACF）通过执行准入分析来响应发起请求，以确定是否启动数据传输。 ACF向第二个网络客户端发送一个或多个数据包。作为响应，第二网络客户端将确认分组发送回ACF。 ACF根据发送的分组和确认分组进行准入分析，并根据分析确定是否应启动数据传输。录入分析可以基于各种因素，例如接收每个分组的确认的平均时间，接收每个分组的确认时间的方差，这些因素的组合，或这些因素的组合其他因素。

60. 发明申请

US20150304209A1 DYNAMIC CONTROL CHANNEL ESTABLISHMENT FOR SOFTWARE-DEFINED NETWORKS HAVING CENTRALIZED CONTROL 审中-公开
公开(公告)号：US20150304209A1
公开(公告)日：2015-10-22
申请号：US14788282
申请日：2015-06-30
申请人： Juniper Networks, Inc.
发明人： Abhijit K. Choudhury , James M. Murphy , Pradeep Sindhu , Jayabharat Boddu
IPC分类号： H04L12/721 , H04L12/723 , H04L12/751
CPC分类号： H04L45/26 , H04L41/0654 , H04L41/12 , H04L45/02 , H04L45/021 , H04L45/026 , H04L45/122 , H04L45/42 , H04L45/50 , H04L45/507 , H04L45/68 , H04L47/12
摘要： Dynamic control channel establishment for an access network is described in which a centralized controller provides seamless end-to-end service from a core-facing edge of a network to access nodes. For example, a method includes receiving, by the centralized controller, a discover message originating from a network node, which includes an intermediate node list that specifies a plurality of network nodes the discover message traversed from the network node to an edge node, determining, based on the plurality of nodes specified by the discover message, a path from the edge node to the network node, allocating each of a plurality of Multi-protocol Label Switching (MPLS) labels to a respective outgoing interface of each of the plurality of network nodes, and outputting one or more control messages for configuring the network node, wherein the control messages are encapsulated within a label stack comprising the allocated plurality of labels.

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