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51. 发明授权

US08588224B2 Priority based flow control in a distributed fabric protocol (DFP) switching network architecture 有权
标题翻译：分布式结构协议（DFP）交换网络架构中基于优先级的流量控制
公开(公告)号：US08588224B2
公开(公告)日：2013-11-19
申请号：US13107893
申请日：2011-05-14
申请人： Keshav Kamble , Dayavanti G. Kamath , Jayakrishna Kidambi , Dar-Ren Leu , Chandarani J. Mendon , Vijoy Pandey
发明人： Keshav Kamble , Dayavanti G. Kamath , Jayakrishna Kidambi , Dar-Ren Leu , Chandarani J. Mendon , Vijoy Pandey
IPC分类号： H04L12/58
CPC分类号： H04L49/70 , H04L49/201 , H04L49/205
摘要： A switching network includes an upper tier and a lower tier including a plurality of lower tier entities. A master switch in the upper tier, which has a plurality of ports each coupled to a respective lower tier entity, implements on each of the ports a plurality of virtual ports each corresponding to a respective one of a plurality of remote physical interfaces (RPIs) at the lower tier entity coupled to that port. Data traffic communicated between the master switch and RPIs is queued within virtual ports that correspond to the RPIs on lower tier entities with which the data traffic is communicated. The master switch enforces priority-based flow control (PFC) on data traffic of a given virtual port by transmitting, to a lower tier entity on which a corresponding RPI resides, a PFC data frame specifying priorities for at least two different classes of data traffic communicated by the particular RPI.
摘要翻译：交换网络包括包括多个下层实体的上层和下层。上层的主交换机具有多个端口，每个端口各自耦合到相应的下层实体，在每个端口上实现多个虚拟端口，每个虚拟端口对应于多个远程物理接口（RPI）中的相应的一个，在与该端口相连的较低层实体上。在主交换机和RPI之间通信的数据业务在虚拟端口内排队，对应于数据业务与之通信的较低层实体上的RPI。主交换机通过向对应的RPI所驻留的较低层实体发送指定至少两个不同类别的数据业务的优先级的PFC数据帧来对给定虚拟端口的数据流量执行基于优先级的流控制（PFC）由特定RPI传达。

52. 发明申请

US20130235762A1 MANAGEMENT OF A DISTRIBUTED FABRIC SYSTEM 有权
标题翻译：分布式织物系统的管理
公开(公告)号：US20130235762A1
公开(公告)日：2013-09-12
申请号：US13414677
申请日：2012-03-07
申请人： Sushma Anantharam , Nirapada Ghosh , Dayavanti Gopal Kamath , Keshav Govind Kamble , Dar-Ren Leu , Chandarani J. Mendon , Vijoy Pandey , Nandakumar Peethambaram
发明人： Sushma Anantharam , Nirapada Ghosh , Dayavanti Gopal Kamath , Keshav Govind Kamble , Dar-Ren Leu , Chandarani J. Mendon , Vijoy Pandey , Nandakumar Peethambaram
IPC分类号： H04L12/28
CPC分类号： H04L49/356 , H04L12/413 , H04L41/12 , H04L41/22 , H04L49/256 , H04L49/65 , H04W36/22
摘要： A distributed fabric system has distributed line card (DLC) chassis and scaled-out fabric coupler (SFC) chassis. Each DLC includes a network processor and fabric ports. Each network processor of each DLC includes a fabric interface in communication with the fabric ports of that DLC. Each SFC includes at least one fabric element and SFC fabric ports. A fabric communication link connects each SFC fabric port to one DLC fabric port. Each fabric communication link includes cell-carrying lanes. Each fabric element of each SFC detects connectivity between each SFC fabric port of that SFC and one DLC fabric port over a fabric communication link. Each SFC includes program code that reads connectivity matrix from fabric element chips and sends connection information corresponding to the detected connectivity from that SFC to a central agent. A network element includes the central agent, which, when executed, constructs a topology of the distributed fabric system from the connection information sent from each SFC.
摘要翻译：分布式架构系统具有分布式线卡（DLC）机箱和扩展架构耦合器（SFC）机箱。每个DLC包括一个网络处理器和fabric端口。每个DLC的每个网络处理器包括与该DLC的结构端口通信的结构接口。每个SFC包括至少一个fabric元素和SFC fabric端口。 Fabric通信链路将每个SFC Fabric端口连接到一个DLC fabric端口。每个结构通信链路包括蜂窝载波通道。每个SFC的每个结构元素检测该SFC的每个SFC结构端口与一个DLC结构端口之间通过Fabric通信链路的连通性。每个SFC包括从结构元素芯片读取连接矩阵的程序代码，并将与该检测到的连接性相对应的连接信息发送到中央代理。网元包括中央代理，当执行时，中继代理从每个SFC发送的连接信息中构建分布式架构系统的拓扑。

53. 发明申请

US20130201868A1 SWITCH DISCOVERY PROTOCOL FOR A DISTRIBUTED FABRIC SYSTEM 有权
标题翻译：开发分布式织物系统的发现协议
公开(公告)号：US20130201868A1
公开(公告)日：2013-08-08
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： H04L12/28
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

54. 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。

55. 发明授权

US5805827A Distributed signal processing for data channels maintaining channel bandwidth 失效
标题翻译：数据信道的分布式信号处理保持信道带宽
公开(公告)号：US5805827A
公开(公告)日：1998-09-08
申请号：US610706
申请日：1996-03-04
申请人： Wing Cheong Chau , Dar-Ren Leu
发明人： Wing Cheong Chau , Dar-Ren Leu
IPC分类号： H04Q11/04 , H04L12/46
CPC分类号： H04Q11/0435
摘要： A communication server includes one or more ISDN ports or other wide area network ports, one or more local area network ports, a plurality of processors and data channel resources which execute a process for distributing data channel signal processing among the plurality of processors. The process includes maintaining resource information for a set of processors on the communication server, the resource information concerning levels of utilization of processors in said set of processors; detecting, in processors corresponding to particular input/output ports of the server, activity in data channels through input/output ports managed by the processors; sending requests in response to the detected activity from the corresponding processors to a managing processor on the communication server, said requests identifying compression or decompression services needed for the detected activity; selecting in the managing processor in response to the resource information and the request, service processors from the set of processors in the server to provide compression or decompression services identified in the request for the detected activity on the data channel; and routing the detected activity on the data channels to the selected service processors.
摘要翻译：通信服务器包括一个或多个ISDN端口或其他广域网端口，一个或多个局域网端口，多个处理器和数据信道资源，其执行在多个处理器之间分配数据信道信号处理的处理。所述过程包括维护所述通信服务器上的一组处理器的资源信息，所述资源信息涉及所述一组处理器中的处理器的使用级别; 在对应于服务器的特定输入/输出端口的处理器中检测通过由处理器管理的输入/输出端口在数据通道中的活动; 响应于来自相应处理器的检测到的活动向所述通信服务器上的管理处理器发送请求，所述请求识别所检测到的活动所需的压缩或解压缩服务; 响应于所述资源信息和所述请求，在所述管理处理器中选择来自所述服务器中的所述一组处理器的服务处理器，以提供在所述数据信道上检测到的活动请求中标识的压缩或解压缩服务; 以及将检测到的活动在数据信道上路由到所选择的服务处理器。

56. 发明授权

US09137176B2 Dual-role modular scaled-out fabric coupler chassis 有权
标题翻译：双重角色模块化缩小的Fabric耦合器机箱
公开(公告)号：US09137176B2
公开(公告)日：2015-09-15
申请号：US13473316
申请日：2012-05-16
申请人： Alexander Philip Campbell , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey , Atul Tambe
发明人： Alexander Philip Campbell , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey , Atul Tambe
IPC分类号： H04L12/54 , H04L12/931
CPC分类号： H04L49/356 , H04L49/40 , H04L49/45
摘要： A scaled-out fabric coupler (SFC) chassis includes a plurality of root fabric cards installed on the one side of the SFC chassis. Each root fabric card has a plurality of electrical connectors. A plurality of line cards is installed on the opposite side of the SFC chassis. Each line card is one of two types of line cards. One of the two types of line cards is a switch-based network line card having network ports for connecting to servers and switches. The other of the two types of line cards is a leaf fabric card having fabric ports for connecting to a fabric port of a network element. Each of the two types of the line cards has electrical connectors that mate with one electrical connector of each root fabric card installed in the chassis.
摘要翻译：扩展的Fabric耦合器（SFC）机箱包括安装在SFC机箱一侧的多个根结构卡。每个根织物卡具有多个电连接器。多个线路卡安装在SFC机箱的相对侧。每个线卡是两种线卡之一。两种类型的线卡之一是具有用于连接到服务器和交换机的网络端口的基于交换机的网络线卡。两种类型的线卡中的另一种是具有用于连接到网元的网络端口的网络端口的叶结构卡。两种类型的线卡中的每一种具有与安装在底盘中的每个根织物卡的一个电连接器相配合的电连接器。

57. 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.

58. 发明授权

US09054989B2 Management of a distributed fabric system 有权
标题翻译：分布式系统的管理
公开(公告)号：US09054989B2
公开(公告)日：2015-06-09
申请号：US13454987
申请日：2012-04-24
申请人： Sushma Anantharam , Nirapada Ghosh , Dayavanti Gopal Kamath , Keshav Govind Kamble , Dar-Ren Leu , Chandarani J. Mendon , Vijoy Pandey , Nandakumar Peethambaram
发明人： Sushma Anantharam , Nirapada Ghosh , Dayavanti Gopal Kamath , Keshav Govind Kamble , Dar-Ren Leu , Chandarani J. Mendon , Vijoy Pandey , Nandakumar Peethambaram
IPC分类号： H04L12/28 , G06F15/173 , G06F13/00 , H04L12/947 , H04L12/931
CPC分类号： H04L49/356 , H04L12/413 , H04L41/12 , H04L41/22 , H04L49/256 , H04L49/65 , H04W36/22
摘要： A distributed fabric system has distributed line card (DLC) chassis and scaled-out fabric coupler (SFC) chassis. Each DLC includes a network processor and fabric ports. Each network processor includes a fabric interface in communication with the fabric ports of that DLC. Each SFC includes at least one fabric element and SFC fabric ports. A fabric communication link connects each SFC fabric port to one DLC fabric port. Each fabric communication link includes cell-carrying lanes. Each fabric element detects connectivity between each SFC fabric port of that SFC and one DLC fabric port over a fabric communication link. Each SFC reads a connectivity matrix from fabric element chips and sends connection information corresponding to the detected connectivity from that SFC to a central agent. A network element includes the central agent, which, when executed, constructs a topology of the distributed fabric system from the connection information sent from each SFC.
摘要翻译：分布式架构系统具有分布式线卡（DLC）机箱和扩展架构耦合器（SFC）机箱。每个DLC包括一个网络处理器和fabric端口。每个网络处理器包括与该DLC的结构端口通信的结构接口。每个SFC包括至少一个fabric元素和SFC fabric端口。 Fabric通信链路将每个SFC Fabric端口连接到一个DLC fabric端口。每个结构通信链路包括蜂窝载波通道。每个结构元素通过结构通信链路检测该SFC的每个SFC结构端口与一个DLC结构端口之间的连接。每个SFC从Fabric元素芯片读取连接矩阵，并将与该SFC的检测到的连接相对应的连接信息发送到中央代理。网元包括中央代理，当执行时，中继代理从每个SFC发送的连接信息中构建分布式架构系统的拓扑。

59. 发明授权

US09013994B2 Distributed chassis architecture having integrated service appliances 有权
标题翻译：具有集成服务设备的分布式机箱结构
公开(公告)号：US09013994B2
公开(公告)日：2015-04-21
申请号：US13454956
申请日：2012-04-24
申请人： Alexander Philip Campbell , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
发明人： Alexander Philip Campbell , Keshav Govind Kamble , Dar-Ren Leu , Vijoy A. Pandey
IPC分类号： H04L12/26 , H04L12/931
CPC分类号： H04L49/358 , H04L49/355
摘要： A distributed virtual chassis comprises scaled-out fabric coupler (SFC) boxes. Each SFC box has fabric ports and a cell-based switch fabric for switching cells associated with a packet among the SFC fabric ports of that SFC box. Distributed line cards (DLCs) include switching DLCs and an appliance DLC (A-DLC). Each switching DLC has network ports. Each switching DLC and A-DLC has DLC fabric ports. Each switching DLC and A-DLC is connected to each of the SFC boxes. The A-DLC provides an upper layer service for packets arriving on the network ports of the switching DLCs. To forward a packet to the A-DLC, a switching DLC divides the packet into cells and distributes the cells among the SFC boxes. The SFC boxes forward the cells to the A-DLC, and the A-DLC reassembles the packet from the cells and provides the upper layer service to the packet.
摘要翻译：分布式虚拟机箱包括扩展结构耦合器（SFC）框。每个SFC框具有Fabric端口和一个基于单元的交换结构，用于在SFC框的SFC结构端口之间切换与数据包相关联的单元。分布式线路卡（DLC）包括切换DLC和设备DLC（A-DLC）。每个交换DLC都有网络端口。每个交换DLC和A-DLC都有DLC接口。每个切换DLC和A-DLC连接到每个SFC框。 A-DLC为到达切换DLC的网络端口的分组提供了上层服务。要将数据包转发到A-DLC，切换DLC将数据包划分为单元格，并在SFC框之间分配单元。 SFC盒将单元转发到A-DLC，A-DLC重新组合来自单元的数据包，并为数据包提供上层服务。

60. 发明授权

US08825825B2 SNMP request processing within distributed device architecture 有权
标题翻译：分布式设备架构内的SNMP请求处理
公开(公告)号：US08825825B2
公开(公告)日：2014-09-02
申请号：US13412624
申请日：2012-03-06
申请人： Keshav Kamble , Nandakumar Peethambaram , Dar-Ren Leu , Vijoy A. Pandey , Dayavanti G. Kamath , Sushma Anantharam
发明人： Keshav Kamble , Nandakumar Peethambaram , Dar-Ren Leu , Vijoy A. Pandey , Dayavanti G. Kamath , Sushma Anantharam
IPC分类号： G06F15/173
CPC分类号： H04L41/0213 , H04L41/0226
摘要： A distributed device architecture includes a master device and one or more member devices. A simple network management protocol (SNMP) agent of a master device receives an SNMP request from a managing device. Where the SNMP request pertains to a given member device, and where the SNMP request requires involvement of the given member device to fulfill the SNMP request, the master device generates a non-SNMP request corresponding to the SNMP request and transmits the non-SNMP request to the given member device. A non-SNMP agent of the given member device processes the non-SNMP request and transmits processing results back to the master device. The master device generates an SNMP response corresponding to the processing results, and the SNMP agent of the master device transmits the SNMP response back to the managing device.
摘要翻译：分布式设备架构包括主设备和一个或多个成员设备。主设备的简单网络管理协议（SNMP）代理从管理设备接收SNMP请求。在SNMP请求与给定成员设备相关的地方，SNMP请求需要参与给定成员设备来满足SNMP请求的情况下，主设备生成对应于SNMP请求的非SNMP请求，并发送非SNMP请求到给定的成员设备。给定成员设备的非SNMP代理处理非SNMP请求，并将处理结果发送回主设备。主设备生成对应于处理结果的SNMP响应，主设备的SNMP代理将SNMP响应发送回管理设备。

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