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21. 发明申请

US20130070761A1 SYSTEMS AND METHODS FOR CONTROLLING A NETWORK SWITCH 审中-公开
标题翻译：用于控制网络开关的系统和方法
公开(公告)号：US20130070761A1
公开(公告)日：2013-03-21
申请号：US13237143
申请日：2011-09-20
申请人： Keshav Govind Kamble , Vijoy A. Pandey , Dar-Ren Leu , Jayakrishua Kidambi , Dayavanti G. Kamath , Amitabha Biswas , Nilanjan Mukherjee
发明人： Keshav Govind Kamble , Vijoy A. Pandey , Dar-Ren Leu , Jayakrishua Kidambi , Dayavanti G. Kamath , Amitabha Biswas , Nilanjan Mukherjee
IPC分类号： H04L12/56
CPC分类号： H04L49/253
摘要： Systems and methods are provided for controlling a network switch. At least one forwarding element of the distributed switch is positioned at a first location of a network. A control element of the distributed switch is positioned at a second location of the network. The at least one forwarding element is controlled from the control element by establishing a communication between the forwarding element and the control element via the network.
摘要翻译：提供了用于控制网络交换机的系统和方法。分布式交换机的至少一个转发元件位于网络的第一位置。分布式交换机的控制元件位于网络的第二位置。通过经由网络建立转发元件和控制元件之间的通信，从控制元件控制至少一个转发元件。

22. 发明授权

US08929361B2 Switch discovery protocol for a distributed fabric system 有权
标题翻译：分布式架构系统的交换机发现协议
公开(公告)号：US08929361B2
公开(公告)日：2015-01-06
申请号：US13454120
申请日：2012-04-24
申请人： Nirapada Ghosh , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
发明人： Nirapada Ghosh , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
IPC分类号： H04L12/50
CPC分类号： H04L43/0811 , H04L41/0663 , H04L43/103 , H04L43/16 , H04L49/356
摘要： A distributed fabric system comprises a plurality of independent network elements interconnected by inter-switch links and assigned to a same group. Each network element includes one or more switching chips, a processor, and memory storing program code that is executed by the processor. The program code of each network element includes a switch discovery protocol (SDP) module. The SDP module of each network element, when executed, periodically multicasts SDP data units (SDPDUs) using one of a plurality of transmission rates. The plurality of transmission rates includes a fast transmission rate and a slow transmission rate. The transmission rate used by the SDP module of each network element is the fast transmission rate until the SDP module of that network element determines a criterion is met, in response to which the transmission rate used by the SDP module of that network element changes to the slow transmission rate.
摘要翻译：分布式结构系统包括通过交换机间链路互连并分配给相同组的多个独立网络元件。每个网络元件包括由处理器执行的一个或多个切换芯片，处理器和存储程序代码的存储器。每个网元的程序代码包括交换机发现协议（SDP）模块。每个网元的SDP模块在执行时，使用多个传输速率之一周期性地组播SDP数据单元（SDPDU）。多个传输速率包括快速传输速率和慢速传输速率。每个网元的SDP模块使用的传输速率是直到该网元的SDP模块确定满足标准的快速传输速率，响应于该网元的SDP模块使用的传输速率改变为传输速度慢

23. 发明申请

US20130100858A1 DISTRIBUTED SWITCH SYSTEMS IN A TRILL NETWORK 有权
标题翻译：分布式交换机系统在一个TRILL网络
公开(公告)号：US20130100858A1
公开(公告)日：2013-04-25
申请号：US13280802
申请日：2011-10-25
申请人： Dayavanti Gopal Kamath , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
发明人： Dayavanti Gopal Kamath , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
IPC分类号： H04L12/28
CPC分类号： H04L49/25 , H04L49/356
摘要： Featured are a system and method for providing a distributed switch system (DSS) in a TRILL-compliant network. An ingress network device in the TRILL-compliant network provides data to a received packet. The data includes instructions related to a feature of the DSS. The instructions are inserted into a TRILL header generated at the ingress network device. The TRILL header is output to an egress network device in the TRILL-compliant network. A determination is made whether the ingress network device and the egress network device are members of the DSS. The instructions are processed by the egress network device in response to determining that ingress and egress devices are members of the DSS.
摘要翻译：特色是在符合TRILL的网络中提供分布式交换系统（DSS）的系统和方法。 TRILL兼容网络中的入口网络设备向接收的分组提供数据。数据包括与DSS的特征相关的指令。这些指令被插入到在入口网络设备处产生的TRILL头部中。 TRILL标头输出到TRILL兼容网络中的出口网络设备。确定入口网络设备和出口网络设备是否是DSS的成员。响应于确定入口和出口设备是DSS的成员，出口网络设备处理指令。

24. 发明申请

US20120093034A1 VIRTUAL SWITCHING PORTS ON HIGH-BANDWIDTH LINKS 有权
标题翻译：虚拟切换端口在高带宽链路上
公开(公告)号：US20120093034A1
公开(公告)日：2012-04-19
申请号：US13273291
申请日：2011-10-14
申请人： Dayavanti Gopal Kamath , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
发明人： Dayavanti Gopal Kamath , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
IPC分类号： H04L12/28
CPC分类号： H04L47/522 , H04L49/30 , H04L49/70
摘要： Method and apparatus for managing traffic of a switch include logically partitioning a physical port of the switch into a plurality of virtual ports. One or more virtual output queues are uniquely associated with each virtual port. Switching resources of the switch are assigned to each of the virtual ports. A source virtual port is derived from a frame arriving at the physical port. The frame is placed in a given one of the one or more virtual output queues uniquely associated with the source virtual port derived from the frame. A destination virtual port for the frame is determined. The frame is transferred from the virtual output queue in which the frame is placed to an egress queue associated with the destination virtual port and forwarded from the egress queue to a destination physical port of the switch.
摘要翻译：用于管理交换机的流量的方法和装置包括将交换机的物理端口逻辑地划分成多个虚拟端口。一个或多个虚拟输出队列与每个虚拟端口唯一关联。交换机的交换资源被分配给每个虚拟端口。源虚拟端口是从到达物理端口的帧导出的。帧被放置在与从帧导出的源虚拟端口唯一相关联的一个或多个虚拟输出队列中的给定一个中。确定帧的目的地虚拟端口。该帧从其中放置帧的虚拟输出队列传送到与目的地虚拟端口相关联的出口队列，并从出口队列转发到交换机的目的物理端口。

25. 发明授权

US09071508B2 Distributed fabric management protocol 有权
公开(公告)号：US09071508B2
公开(公告)日：2015-06-30
申请号：US13453644
申请日：2012-04-23
申请人： Sushma Anantharam , Nirapada Ghosh , Keshav Govind Kamble , Dar-Ren Leu , Chandarani J. Mendon , Vijoy A. Pandey , Nandakumar Peethambaram
发明人： Sushma Anantharam , Nirapada Ghosh , Keshav Govind Kamble , Dar-Ren Leu , Chandarani J. Mendon , Vijoy A. Pandey , Nandakumar Peethambaram
IPC分类号： H04L12/28 , H04L12/24
CPC分类号： H04L41/0246 , H04L41/044
摘要： A distributed fabric system comprises a plurality of independent network elements interconnected by inter-switch links and assigned to a same group. Each network element includes a switching chip, a processor, and memory storing program code that is executed by the processor. The program code of each network element includes a device configuration (DC) stacking module and a switch discovery protocol (SDP) module. The SDP module of each network element, when executed, discovers each other network element in the group and elects one of the network elements as a master network element. The SDP module of the master network element, when executed, sends messages to the DC-stacking module of the master network element. Each sent message identifies one of the network elements in the group. The DC stacking module of the master network element, when executed, maintains a record of all network elements that are currently members in the group.

26. 发明申请

US20140050216A1 RELAYING FRAMES IN A LARGE LAYER 2 NETWORK FABRIC 有权
公开(公告)号：US20140050216A1
公开(公告)日：2014-02-20
申请号：US13585859
申请日：2012-08-15
申请人： Stephan Benny , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
发明人： Stephan Benny , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
IPC分类号： H04L12/56
CPC分类号： H04L45/20 , H04L45/00
摘要： A network fabric includes interconnected network nodes, each having access to a database containing predetermined paths from each network node to each other network node in the network fabric. Each network node determines, in response to an incoming frame, whether the frame is a fabric protocol data unit (PDU) having a header containing path attributes including a destination node address. If the frame is a fabric PDU, the node selects a first path to the destination node from the database, and forwards the fabric PDU to a next hop in accordance with the selected path. If the frame is not a fabric PDU, the node selects a second path through the network fabric to the destination node from the database, adds the header with the path attributes to the frame to produce the fabric PDU, and forwards the fabric PDU to the next hop in accordance with the second path.

27. 发明授权

US09225550B2 Switch monitoring statistics gathering at servers and gateways for overlay networks 有权
标题翻译：在覆盖网络的服务器和网关上切换监控统计信息
公开(公告)号：US09225550B2
公开(公告)日：2015-12-29
申请号：US13530031
申请日：2012-06-21
申请人： Keshav G. Kamble , Vijoy A. Pandey
发明人： Keshav G. Kamble , Vijoy A. Pandey
IPC分类号： G06F15/173 , H04L12/46
CPC分类号： H04L43/0894 , H04L12/4633 , H04L12/4645
摘要： In one embodiment, a system includes a plurality of overlay-capable devices, each overlay-capable device having an interface adapted for terminating and/or originating tunnels in an overlay network with other overlay-capable devices, logic adapted for creating statistics about overlay-encapsulated packets which are received by or sent by the overlay-capable device, logic adapted for accumulating the statistics, and logic adapted for storing the statistics in an accessible memory of the overlay-capable device. In another embodiment, a method for generating statistics about encapsulated packets within a virtual overlay network includes creating statistics about overlay-encapsulated packets which are received by or sent by each overlay-capable device in an overlay network, accumulating the statistics for each overlay-capable device through which the overlay-encapsulated packets passed, and storing the statistics in an accessible manner.
摘要翻译：在一个实施例中，系统包括多个覆盖能力的设备，每个覆盖能力的设备具有适于在覆盖网络中终止和/或发起隧道与其他覆盖能力的设备的接口，适用于创建关于覆盖层的统计的逻辑，由覆盖能力设备接收或发送的封装分组，适于累积统计的逻辑，以及适用于将统计信息存储在覆盖能力设备的可访问存储器中的逻辑。在另一个实施例中，一种用于生成虚拟覆盖网络内的封装分组的统计信息的方法包括创建关于覆盖封装分组的统计信息，所述分组由覆盖网络中的每个覆盖能力的设备接收或发送，累积每个覆盖能力的统计信息覆盖封装的数据包通过的设备，并以可访问的方式存储统计信息。

28. 发明授权

US09009831B2 Scalable virtual appliance cloud (SVAC) and methods usable in an SVAC 有权
标题翻译：可扩展虚拟设备云（SVAC）和SVAC中可用的方法
公开(公告)号：US09009831B2
公开(公告)日：2015-04-14
申请号：US13484216
申请日：2012-05-30
申请人： Keshav G. Kamble , Dar-Ren Leu , Nilanjan Mukherjee , Vijoy A. Pandey
发明人： Keshav G. Kamble , Dar-Ren Leu , Nilanjan Mukherjee , Vijoy A. Pandey
IPC分类号： H04L12/56 , G06F9/455
CPC分类号： H04L63/101 , G06F9/45558 , H04L45/64 , H04L47/125
摘要： According to one embodiment, a method for providing scalable virtual appliance cloud (SVAC) services includes receiving incoming data traffic having multiple packets directed toward a SVAC using at least one switching distributed line card (DLC), determining that a packet satisfies a condition of an access control list (ACL), designating a destination port to send the packet based on the condition of the ACL being satisfied, fragmenting the packet into cells, wherein the designated destination port is stored in a cell header of the cells, sending the cells to the destination port via at least one switch fabric controller (SFC), receiving the cells at a fabric interface of an appliance DLC, reassembling the cells into a second packet, performing one or more services on the second packet using the appliance DLC, and sending the second packet to its intended port.
摘要翻译：根据一个实施例，一种用于提供可伸缩虚拟设备云（SVAC）服务的方法包括使用至少一个交换分布式线卡（DLC）接收具有指向SVAC的多个分组的输入数据业务，确定分组满足条件访问控制列表（ACL），根据满足ACL的条件指定发送分组的目的地端口，将分组分段成小区，其中指定的目的地端口存储在小区的小区头部中，将小区发送到经由至少一个交换结构控制器（SFC）的目的地端口，在设备DLC的结构接口处接收小区，将小区重新组合成第二分组，使用设备DLC在第二分组上执行一个或多个服务，以及发送第二个数据包到其预定端口。

29. 发明授权

US08966148B2 Providing real-time interrupts over Ethernet 有权
标题翻译：通过以太网提供实时中断
公开(公告)号：US08966148B2
公开(公告)日：2015-02-24
申请号：US13487082
申请日：2012-06-01
申请人： Alexander P. Campbell , Keshav G. Kamble , Vijoy A. Pandey
发明人： Alexander P. Campbell , Keshav G. Kamble , Vijoy A. Pandey
IPC分类号： G06F13/24 , G06F13/32
CPC分类号： H04L49/351 , G06F13/24 , G06F13/32 , H04L12/4633 , H04L45/44 , H04L49/35 , H04L49/70
摘要： In one embodiment, a method includes sending a request to one or more distributed fabric protocol (DFP) system members in order to retrieve one or more events from the one or more DFP system members, wherein the one or more events are received as data encapsulated in a packet(s), receiving one or more acknowledgements to the request from the one or more DFP system members at a local network switch of the DFP system master, upon receipt of the at least one packet: decoding the at least one packet to retrieve details of the one or more events using a dedicated processor of the DFP system master, creating and sending a message signaled interrupt (MSI) comprising the details of the one or more events to a local processor of the DFP system master using the dedicated processor, and reading the MSI using the local processor of the DFP system master.
摘要翻译：在一个实施例中，一种方法包括向一个或多个分布式结构协议（DFP）系统成员发送请求以从一个或多个DFP系统成员检索一个或多个事件，其中一个或多个事件作为数据封装接收在分组中，在接收到所述至少一个分组时，在所述DFP系统主机的本地网络交换机处接收来自所述一个或多个DFP系统成员的所述请求的一个或多个确认：将所述至少一个分组解码为使用DFP系统主机的专用处理器检索一个或多个事件的细节，使用专用处理器创建和发送包含一个或多个事件的细节的消息信号中断（MSI）到DFP系统主站的本地处理器，并使用DFP系统主站的本地处理器读取MSI。

30. 发明授权

US08867403B2 Virtual network overlays 有权
标题翻译：虚拟网络覆盖
公开(公告)号：US08867403B2
公开(公告)日：2014-10-21
申请号：US13212790
申请日：2011-08-18
申请人： Amitabha Biswas , Jayakrishna Kidambi , Nilanjan Mukherjee , Vijoy A. Pandey
发明人： Amitabha Biswas , Jayakrishna Kidambi , Nilanjan Mukherjee , Vijoy A. Pandey
IPC分类号： H04L12/28 , H04L12/931 , H04L12/715 , H04L12/46 , H04L29/08
CPC分类号： H04L12/4641 , G06F9/45558 , G06F2009/45595 , H04L12/4633 , H04L12/4679 , H04L45/64 , H04L45/74 , H04L49/00 , H04L49/356 , H04L49/70 , H04L67/2804
摘要： Systems are provided for overlaying a virtual network on a physical network in a data center environment. An overlay system is arranged in an overlay virtual network to include an overlay agent and an overlay helper. The overlay agent is implemented in an access switch. The overlay helper is implemented in an end station that is in communication with the access switch. Overlay parameters in compliance with an in-band protocol are transmitted between the overlay agent and the overlay helper.
摘要翻译：提供系统以在数据中心环境中的物理网络上覆盖虚拟网络。覆盖系统布置在覆盖虚拟网络中以包括覆盖代理和覆盖帮助器。覆盖代理在接入交换机中实现。覆盖帮助器在与接入交换机通信的终端站中实现。覆盖代理和覆盖帮助器之间传输符合带内协议的覆盖参数。

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