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41. 发明授权

US09294304B2 Host network accelerator for data center overlay network 有权
标题翻译：主机网络加速器用于数据中心覆盖网络
公开(公告)号：US09294304B2
公开(公告)日：2016-03-22
申请号：US14309629
申请日：2014-06-19
申请人： Juniper Networks, Inc.
发明人： Pradeep Sindhu
IPC分类号： G06F9/455 , H04L12/28 , H04L12/56 , H04L12/46 , H04L12/801 , H04L12/863
CPC分类号： H04L12/4641 , G06F13/385 , H04L12/4633 , H04L47/12 , H04L47/50 , 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。

42. 发明授权

US09118411B1 Method and apparatus for detection and correction of channel failure in an optical transceiver system 有权
标题翻译：用于在光收发器系统中检测和校正信道故障的方法和装置
公开(公告)号：US09118411B1
公开(公告)日：2015-08-25
申请号：US14042068
申请日：2013-09-30
申请人： Juniper Networks, Inc.
发明人： Theodore J. Schmidt , Pradeep Sindhu , George R. Sosnowski , Christian Malouin , Roberto Marcoccia , Valery Kugel , Gunes Aybay
IPC分类号： G02F1/00 , H04B10/032
CPC分类号： H04B10/035 , H04B10/032
摘要： In some embodiments, an apparatus includes an optical transceiver system that includes a set of optical transmitters and a backup optical transmitter. In such embodiments, each optical transmitter from the set of optical transmitter can transmit at a unique wavelength from a set of wavelengths. The backup optical transmitter can transmit at a wavelength from the set of wavelengths when an optical transmitter from the set of optical transmitters associated with that wavelength fails. In other embodiments, an apparatus includes an optical transceiver system that includes a set of optical receivers and a backup optical receiver. The backup optical receiver can receive at a wavelength from the set of wavelengths when an optical receiver from the set of optical receivers associated with that wavelength fails.
摘要翻译：在一些实施例中，装置包括光收发器系统，其包括一组光发射器和备用光发射器。在这样的实施例中，来自一组光发射机的每个光发射机可以从一组波长以独特的波长传输。当来自与该波长相关联的一组光发射机的光发射机发生故障时，备用光发射机可以从一组波长的波长发射。在其他实施例中，一种装置包括光收发器系统，其包括一组光接收器和备用光接收器。当来自与该波长相关联的一组光接收机的光接收机失效时，备用光接收机可以从一组波长的波长接收。

43. 发明申请

US20150163171A1 METHODS AND APPARATUS RELATED TO A FLEXIBLE DATA CENTER SECURITY ARCHITECTURE 有权
标题翻译：与灵活数据中心安全架构相关的方法和装置
公开(公告)号：US20150163171A1
公开(公告)日：2015-06-11
申请号：US14621892
申请日：2015-02-13
申请人： Juniper Networks, Inc.
发明人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
IPC分类号： H04L12/935
CPC分类号： H04L49/30 , H04L41/0806 , H04L41/0846 , H04L49/257 , H04L49/35 , H04L49/356 , H04L63/101
摘要： In one embodiment, edge devices can be configured to be coupled to a multi-stage switch fabric and peripheral processing devices. The edge devices and the multi-stage switch fabric can collectively define a single logical entity. A first edge device from the edge devices can be configured to be coupled to a first peripheral processing device from the peripheral processing devices. The second edge device from the edge devices can be configured to be coupled to a second peripheral processing device from the peripheral processing devices. The first edge device can be configured such that virtual resources including a first virtual resource can be defined at the first peripheral processing device. A network management module coupled to the edge devices and configured to provision the virtual resources such that the first virtual resource can be migrated from the first peripheral processing device to the second peripheral processing device.
摘要翻译：在一个实施例中，边缘设备可被配置为耦合到多级交换结构和外围处理设备。边缘设备和多级交换结构可以共同定义单个逻辑实体。来自边缘设备的第一边缘设备可以被配置为从外围处理设备耦合到第一外围处理设备。来自边缘设备的第二边缘设备可以被配置为从外围处理设备耦合到第二外围处理设备。第一边缘设备可以被配置为使得可以在第一外围处理设备处定义包括第一虚拟资源的虚拟资源。网络管理模块，其耦合到所述边缘设备并且被配置为提供所述虚拟资源，使得所述第一虚拟资源可以从所述第一外围处理设备迁移到所述第二外围处理设备。

44. 发明申请

US20140212138A1 OPTICAL ACCESS NETWORK HAVING EMITTER-FREE CUSTOMER PREMISE EQUIPMENT AND ADAPTIVE COMMUNICATION SCHEDULING 审中-公开
标题翻译：具有无发射器客户设备和自适应通信调度的光接入网络
公开(公告)号：US20140212138A1
公开(公告)日：2014-07-31
申请号：US14231320
申请日：2014-03-31
申请人： Juniper Networks, Inc.
发明人： Pradeep Sindhu , Jayabharat Boddu , Roberto Marcoccia , Theodore John Schmidt , Christian Malouin , Abhijit Kumar Choudhury , James Michael Murphy
IPC分类号： H04B10/27
CPC分类号： H04B10/27 , H04B10/2587 , H04B10/272 , H04J3/0682 , H04J14/0239 , H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0252 , H04J2014/0253 , H04L7/0012 , H04L45/62
摘要： An access network includes an access device having an optical interface module that outputs a plurality of pairs of optical communication signals, each of the pairs of optical communication signals comprising a modulated optical transmit signal and an unmodulated optical receive signal, each of the pairs of optical communication signals having a different wavelength. A customer premise equipment (CPE) comprises an optical interface module to receive the modulated optical transmit signal and the unmodulated optical receive signal for any of the plurality of pairs of optical communication signals. The optical interface module includes a receive module to demodulate the modulated optical transmit signal into inbound symbols and a transmit module having an optical modulator and reflective optics to modulate the unmodulated optical receive signal in accordance with a data signal and reflect a modulated optical receive signal to communicate outbound data symbols to the access device.
摘要翻译：接入网络包括具有输出多对光通信信号的光接口模块的接入设备，每对光通信信号包括调制的光发射信号和未调制的光接收信号，每对光学具有不同波长的通信信号。客户驻地设备（CPE）包括光接口模块，用于接收调制的光发射信号和用于多对光通信信号中的任何一个的未调制的光接收信号。光接口模块包括接收模块，用于将经调制的光发射信号解调为入射符号，以及具有光调制器和反射光学器件的发射模块，用于根据数据信号调制未调制的光接收信号，并将调制的光接收信号反射到将出站数据符号传送到访问设备。

45. 发明申请

US20130121343A1 METHODS AND APPARATUS FOR TRANSMISSION OF GROUPS OF CELLS VIA A SWITCH FABRIC 有权
标题翻译：用于通过开关织物传输细胞群的方法和装置
公开(公告)号：US20130121343A1
公开(公告)日：2013-05-16
申请号：US13692425
申请日：2012-12-03
申请人： Juniper Networks, Inc.
发明人： Sarin Thomas , Srihari Vegesna , Pradeep Sindhu , Chi-Chung Kenny Chen , Jean-Marc Frailong , David J. Ofelt , Philip A. Thomas , Chang-Hong Wu
IPC分类号： H04J3/00
CPC分类号： H04J3/00 , H04L49/251 , H04L49/254
摘要： In one embodiment, a method can include receiving at an egress schedule module a request to schedule transmission of a group of cells from an ingress queue through a switch fabric of a multi-stage switch. The ingress queue can be associated with an ingress stage of the multi-stage switch. The egress schedule module can be associated with an egress stage of the multi-stage switch. The method can also include determining, in response to the request, that an egress port at the egress stage of the multi-stage switch is available to transmit the group of cells from the multi-stage switch.
摘要翻译：在一个实施例中，一种方法可以包括在出口调度模块处接收通过多级交换机的交换结构调度来自进入队列的小区的传输的请求。入站队列可以与多级交换机的进入级相关联。出口调度模块可以与多级交换机的出口级相关联。该方法还可以包括响应于该请求确定多级交换机的出口级的出口端口可用于从多级交换机发送该小区组。

46. 发明授权

US12068978B2 Methods and apparatus related to a flexible data center security architecture 有权
公开(公告)号：US12068978B2
公开(公告)日：2024-08-20
申请号：US17585882
申请日：2022-01-27
申请人： Juniper Networks, Inc.
发明人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
IPC分类号： H04L49/1515 , H04L41/0806 , H04L41/084 , H04L49/00 , H04L49/25 , H04L49/35 , H04L49/356 , H04L49/9057 , H04L69/22 , H04L9/40
CPC分类号： H04L49/30 , H04L41/0806 , H04L41/0846 , H04L49/257 , H04L49/35 , H04L49/356 , H04L63/101 , Y02D30/00
摘要： In one embodiment, edge devices can be configured to be coupled to a multi-stage switch fabric and peripheral processing devices. The edge devices and the multi-stage switch fabric can collectively define a single logical entity. A first edge device from the edge devices can be configured to be coupled to a first peripheral processing device from the peripheral processing devices. The second edge device from the edge devices can be configured to be coupled to a second peripheral processing device from the peripheral processing devices. The first edge device can be configured such that virtual resources including a first virtual resource can be defined at the first peripheral processing device. A network management module coupled to the edge devices and configured to provision the virtual resources such that the first virtual resource can be migrated from the first peripheral processing device to the second peripheral processing device.

47. 发明授权

US10931589B2 Methods and apparatus for flow-controllable multi-staged queues 有权
公开(公告)号：US10931589B2
公开(公告)日：2021-02-23
申请号：US15876958
申请日：2018-01-22
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 , H04L12/863 , H04L12/861 , H04L12/931
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.

48. 发明授权

US10848414B1 Methods and apparatus for a scalable network with efficient link utilization 有权
公开(公告)号：US10848414B1
公开(公告)日：2020-11-24
申请号：US16167865
申请日：2018-10-23
申请人： Juniper Networks, Inc.
发明人： James Murphy , Nischal Sheth , Abhijit Choudhury , Raghavendra Mallya , Pranay Pogde , Phalguni Nanda , Jayabharat Boddu , Pradeep Sindhu
IPC分类号： H04L12/721 , H04W88/04
CPC分类号： H04L45/12 , H04W88/04
摘要： In some embodiments, an apparatus includes a network node configured to be included in a set of network nodes operatively coupled to a core network node. The network node is configured to receive a first packet and a second packet from a host device operatively coupled to the network node. The network node is configured to send the first packet to the core network node via a first path of a tunnel between the network node and the core network node. The first path of the tunnel has a first cost. The network node is configured to send the second packet to the core network node via a second path of the tunnel. The second path has a second cost different than the first cost.

49. 发明申请

US20180241696A1 NETWORK SERVER HAVING HARDWARE-BASED VIRTUAL ROUTER INTEGRATED CIRCUIT FOR VIRTUAL NETWORKING 审中-公开
公开(公告)号：US20180241696A1
公开(公告)日：2018-08-23
申请号：US15953112
申请日：2018-04-13
申请人： Juniper Networks, Inc.
发明人： Pradeep Sindhu
IPC分类号： H04L12/937 , H04L12/931 , H04L12/46 , H04L12/863 , H04L12/715 , H04L12/933
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.

50. 发明授权

US10015046B2 Methods and apparatus for a self-organized layer-2 enterprise network architecture 有权
公开(公告)号：US10015046B2
公开(公告)日：2018-07-03
申请号：US15587860
申请日：2017-05-05
申请人： Juniper Networks, Inc.
发明人： James Murphy , Nischal Sheth , Abhijit Choudhury , Raghavendra Mallya , Pranay Pogde , Phalguni Nanda , Jayabharat Boddu , Pradeep Sindhu
IPC分类号： H04L12/28 , H04L12/24 , H04W12/06 , H04L29/06 , H04W84/18
CPC分类号： H04L41/0809 , H04L41/0806 , H04L41/0853 , H04L41/0886 , H04L41/0893 , H04L41/12 , H04L63/162 , H04W12/06 , H04W84/18
摘要： In some embodiments, an apparatus includes a network node operatively coupled within a network. The network node is configured to send a first authentication message upon boot up, and receive, in response to the first authentication message, a second authentication message configured to be used to authenticate the network node. The network node is configured to send a first discovery message, and receive, based on the first discovery message, a second discovery message configured to be used by the network node to identify an address of the network node and an address of a core network node within the network. The network node is configured to set up a control-plane tunnel to the core network node based on the address of the network node and the address for the core network node and receive configuration information from the core network node through the control-plane tunnel.

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