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1. 发明授权

US09077651B2 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：US09077651B2
公开(公告)日：2015-07-07
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 , 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 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。

2. 发明授权

US08942258B2 Segmentation and reassembly of network packets for switched fabric networks 有权
标题翻译：交换架构网络的网络数据包的分段和重组
公开(公告)号：US08942258B2
公开(公告)日：2015-01-27
申请号：US13619158
申请日：2012-09-14
申请人： Keshav G. Kamble , Dar-Ren Leu , Vijoy Pandey
发明人： Keshav G. Kamble , Dar-Ren Leu , Vijoy Pandey
IPC分类号： H04J3/24
CPC分类号： H04L49/901 , H04L49/256
摘要： Reassembly of member cells into a packet comprises receiving an incoming member cell of a packet from a switching fabric wherein each member cell comprises a segment of the packet and a header, generating a reassembly key using selected information from the incoming member cell header wherein the selected information is the same for all member cells of the packet, checking a reassembly table in a content addressable memory to find an entry that includes a logic key matching the reassembly key, and using a content index in the found entry and a sequence number of the incoming member cell within the packet, to determine a location offset in a reassembly buffer area for storing the incoming member cell at said location offset in the reassembly buffer area for the packet for reassembly.
摘要翻译：将成员小区重新组装成分组包括从交换结构接收分组的传入成员小区，其中每个成员小区包括分组的分段和报头，使用来自成员小区头部的所选信息生成重组密钥，其中所选择的信息对于分组的所有成员单元是相同的，检查内容可寻址存储器中的重组表以找到包括与重组密钥匹配的逻辑密钥的条目，并且使用所找到的条目中的内容索引和序列号确定分组内的传入成员小区，以确定重新组装缓冲区域中的位置偏移量，用于将重新组装的分组的重新组装缓冲区域中的所述位置偏移处的入站成员小区存储。

3. 发明授权

US08767722B2 Data traffic handling in a distributed fabric protocol (DFP) switching network architecture 有权
标题翻译：分布式架构协议（DFP）交换网络架构中的数据流量处理
公开(公告)号：US08767722B2
公开(公告)日：2014-07-01
申请号：US13594993
申请日：2012-08-27
申请人： Keshav Kamble , Amitabha Biswas , Dar-Ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey
发明人： Keshav Kamble , Amitabha Biswas , Dar-Ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey
IPC分类号： H04L12/50 , H04Q11/00
CPC分类号： H04L49/70 , H04L47/20 , H04L47/627 , H04L49/356
摘要： A switching network includes an upper tier having a master switch and a lower tier including a plurality of lower tier entities. The master switch, 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 with which the data traffic is communicated. The master switch applies data handling to the data traffic in accordance with a control policy based at least upon the virtual port in which the data traffic is queued, such that the master switch applies different policies to data traffic queued to two virtual ports on the same port of the master switch.
摘要翻译：交换网络包括具有主交换机的上层和包括多个下层实体的较低层。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下层的多个远程物理接口（RPI）中的相应一个实体耦合到该端口。在主交换机和RPI之间通信的数据业务在对应于数据业务与之通信的RPI的虚拟端口内排队。主交换机至少基于数据流量排队的虚拟端口，根据控制策略对数据流量应用数据处理，使得主交换机将不同的策略应用于排队到同一个虚拟端口的数据业务主交换机的端口

4. 发明授权

US08767529B2 High availability distributed fabric protocol (DFP) switching network architecture 有权
公开(公告)号：US08767529B2
公开(公告)日：2014-07-01
申请号：US13229891
申请日：2011-09-12
申请人： Dayavanti G. Kamath , Keshav Kamble , Dar-Ren Leu , Vijoy Pandey , Nandakumar Peethambaram
发明人： Dayavanti G. Kamath , Keshav Kamble , Dar-Ren Leu , Vijoy Pandey , Nandakumar Peethambaram
IPC分类号： H04L1/00
CPC分类号： H04L12/4604 , H04L41/0668 , H04L49/354 , H04L49/557
摘要： In a switching network, each of a plurality of lower tier entities is coupled to each of multiple master switches at an upper tier by a respective one of multiple links. At each of the multiple master switches, a plurality of virtual ports each corresponding to a respective one of a plurality of remote physical interfaces (RPIs) at the lower tier are implemented on each of a plurality of ports. Each of the plurality of lower tier entities implements a respective egress port mapping indicating which of its plurality of RPIs transmits egress data traffic through each of its multiple links to the multiple master switches. In response to failure of one of the multiple links coupling a particular lower tier entity to a particular master switch, the particular lower tier entity updates its egress port mapping to redirect egress data traffic to another of the multiple master switches without packet dropping.

5. 发明申请

US20130259038A1 COMMUNICATION TRANSPORT PROTOCOL FOR DISTRIBUTED INFORMATION TECHNOLOGY ARCHITECTURES 有权
公开(公告)号：US20130259038A1
公开(公告)日：2013-10-03
申请号：US13434705
申请日：2012-03-29
申请人： Sushma Anantharam , Stephan Benny , Nirapada Ghosh , Dayavanti G. Kamath , Keshav G. Kamble , Dar-Ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey , Nandakumar Peethambaram
发明人： Sushma Anantharam , Stephan Benny , Nirapada Ghosh , Dayavanti G. Kamath , Keshav G. Kamble , Dar-Ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey , Nandakumar Peethambaram
IPC分类号： H04L12/56
CPC分类号： H04L45/44 , H04L45/66
摘要： A communication protocol in a layer two (L2) network switch comprises, in response to a service request by a source node, registering the source node for packet communication service. The protocol further comprises forwarding one or more packets from the registered source node to one or more destination nodes. The protocol further comprises receiving packets from one or more destination nodes and forwarding each received packet to a corresponding registered node.

6. 发明申请

US20130235735A1 DIAGNOSTICS IN A DISTRIBUTED FABRIC SYSTEM 有权
标题翻译：分布式织物系统中的诊断
公开(公告)号：US20130235735A1
公开(公告)日：2013-09-12
申请号：US13414684
申请日：2012-03-07
申请人： Sushma Anantharam , Nirapada Ghosh , Keshav Govind Kamble , Dar-Ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey , Nandakumar Peethambaram
发明人： Sushma Anantharam , Nirapada Ghosh , Keshav Govind Kamble , Dar-Ren Leu , Chandarani J. Mendon , Nilanjan Mukherjee , Vijoy Pandey , Nandakumar Peethambaram
IPC分类号： H04L12/28 , H04L12/26
CPC分类号： H04L49/356 , H04L41/12 , H04L41/22 , H04L43/045 , H04L43/0811 , H04L43/0817 , H04L49/555
摘要： A distributed fabric system has distributed line card (DLC) chassis and scaled-out fabric coupler (SFC) chassis. Each DLC chassis includes a network processor and fabric ports. Each network processor of each DLC chassis includes a fabric interface in communication with the DLC fabric ports of that DLC chassis. Each SFC chassis includes a fabric element and fabric ports. A communication link connects each SFC fabric port to one DLC fabric port. Each communication link includes cell-carrying lanes. Each fabric element of each SFC chassis collects per-lane statistics for each SFC fabric port of that SFC chassis. Each SFC chassis includes program code that obtains the per-lane statistics collected by the fabric element chip of that SFC chassis. A network element includes program code that gathers the per-lane statistics collected by each fabric element of each SFC chassis and integrates the statistics into a topology of the entire distributed fabric system.
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机箱都包括一个网络处理器和Fabric端口。每个DLC机箱的每个网络处理器包括与该DLC机箱的DLC结构端口通信的结构接口。每个SFC机箱都包括一个fabric元素和fabric端口。通信链路将每个SFC Fabric端口连接到一个DLC fabric端口。每个通信链路包括蜂窝载波通道。每个SFC机箱的每个结构元素都会收集该SFC机箱的每个SFC结构端口的每通道统计信息。每个SFC机箱都包含程序代码，用于获取该SFC机箱的结构单元芯片收集的每通道统计信息。网元包括收集每个SFC机箱的每个结构元素收集的每通道统计信息的程序代码，并将统计信息整合到整个分布式系统的拓扑中。

7. 发明申请

US20130022050A1 DISTRIBUTED FABRIC PROTOCOL (DFP) SWITCHING NETWORK ARCHITECTURE 有权
标题翻译：分布式织物协议（DFP）切换网络架构
公开(公告)号：US20130022050A1
公开(公告)日：2013-01-24
申请号：US13594970
申请日：2012-08-27
申请人： DAR-REN LEU , DAYAVANTI G. KAMATH , KESHAV KAMBLE , JAYAKRISHNA KIDAMBI , DEEPAK KUMAR , VIJOY PANDEY
发明人： DAR-REN LEU , DAYAVANTI G. KAMATH , KESHAV KAMBLE , JAYAKRISHNA KIDAMBI , DEEPAK KUMAR , VIJOY PANDEY
IPC分类号： H04L12/56
CPC分类号： H04L49/356 , H04L49/70
摘要： A switching network includes an upper tier including a master switch and a lower tier including a plurality of lower tier entities. The master switch includes a plurality of ports each coupled to a respective one of the plurality of lower tier entities. Each port includes 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. Each port also includes a receive interface that, responsive to data traffic from a particular lower tier entity, queues the data traffic to the virtual port that corresponds to the RPI on the particular lower tier entity that was the source of the data traffic. The master switch further includes a switch controller that switches data traffic from the virtual port to an egress port from which the data traffic is forwarded.
摘要翻译：交换网络包括包括主交换机和包括多个下层实体的下层的上层。主交换机包括多个端口，每个端口耦合到多个下层实体中的相应一个。每个端口包括多个虚拟端口，每个虚拟端口对应于耦合到该端口的下层实体处的多个远程物理接口（RPI）中的相应一个。每个端口还包括接收接口，响应于来自特定下层实体的数据流量，将数据流量排队到与作为数据流量源的特定低层实体上的RPI对应的虚拟端口。主交换机还包括交换机控制器，该交换机控制器将数据业务从虚拟端口切换到从其转发数据业务的出口端口。

8. 发明申请

US20120291026A1 METHOD FOR PROVIDING LOCATION INDEPENDENT DYNAMIC PORT MIRRORING ON DISTRIBUTED VIRTUAL SWITCHES 有权
标题翻译：在分布式虚拟交换机上提供独立动态端口映射的方法
公开(公告)号：US20120291026A1
公开(公告)日：2012-11-15
申请号：US13107903
申请日：2011-05-14
申请人： Amitabha Biswas , John I. Buswell , Jayakrishna Kidambi , Harshad S. Padhye , Vijoy Pandey , Dorit Rond
发明人： Amitabha Biswas , John I. Buswell , Jayakrishna Kidambi , Harshad S. Padhye , Vijoy Pandey , Dorit Rond
IPC分类号： G06F9/455
CPC分类号： H04L49/208 , H04L43/026 , H04L49/70 , H04L67/10 , Y02D50/30
摘要： Techniques for providing location independent dynamic port mirroring on distributed virtual switches is disclosed. A controller is provided to configure one or more virtual switches within a group of physical machines to appear as a set of distributed virtual switches. In response to the receipt of a data packet at a port of a physical machine, a determination is made whether or not the port has a monitor port located on the physical machine. If the port has a monitor port located on the same physical machine, a copy of the data packet is sent to the monitor port of the physical machine. If the port has a monitor port located on a different physical machine, a copy of the data packet along with an identification (ID) of the port and an ID of the monitor port are encapsulated, and the encapsulated information are sent to a controller.
摘要翻译：公开了在分布式虚拟交换机上提供位置独立的动态端口镜像的技术。提供控制器来配置一组物理机器内的一个或多个虚拟交换机，以显示为一组分布式虚拟交换机。响应于在物理机的端口处接收到数据分组，确定端口是否具有位于物理机器上的监视端口。如果端口具有位于同一物理机上的监视端口，则将数据包的副本发送到物理机的监视端口。如果端口具有位于不同物理机器上的监视端口，则会封装数据包的副本以及端口的标识（ID）和监控端口的ID，并将封装的信息发送到控制器。

9. 发明申请

US20110103389A1 METHOD AND APPARATUS FOR SWITCHING TRAFFIC BETWEEN VIRTUAL MACHINES 失效
标题翻译：用于在虚拟机之间切换交通的方法和装置
公开(公告)号：US20110103389A1
公开(公告)日：2011-05-05
申请号：US12611152
申请日：2009-11-03
申请人： Jayakrishna Kidambi , Vijoy Pandey , Mike Browne
发明人： Jayakrishna Kidambi , Vijoy Pandey , Mike Browne
IPC分类号： H04L12/56 , H04L12/66
CPC分类号： H04L45/586
摘要： Systems and methods for switching traffic include a physical machine running source and destination virtual machines (VMs). The source VM issues a data unit addressed to the destination VM. The physical machine has a physical network interface in communication with the VMs. The physical network interface transmits a sub-packet, which includes a partial portion of the data unit, over a network while a majority portion of the data unit remains at the physical machine. A network switch on the network receives the sub-packet transmitted by the physical network interface. The network switch performs one or more OSI Layer 2 through Layer 7 switching functions on the sub-packet and returns that sub-packet to the physical network interface. The physical network interface identifies the data unit stored in the memory in response to the sub-packet returned from the network switch and forwards the identified data unit to the destination VM.
摘要翻译：用于切换流量的系统和方法包括运行源和目标虚拟机（VM）的物理机器。源VM发出寻址到目标VM的数据单元。物理机器具有与VM通信的物理网络接口。物理网络接口通过网络发送包括数据单元的部分部分的子分组，而数据单元的大部分部分保留在物理机器上。网络上的网络交换机接收物理网络接口发送的子包。网络交换机在子包上执行一个或多个OSI第2层到第7层交换功能，并将该子包返回到物理网络接口。物理网络接口响应于从网络交换机返回的子分组来识别存储在存储器中的数据单元，并将识别的数据单元转发到目的地VM。

10. 发明申请

US20100232443A1 Method and Apparatus for Managing, Configuring, and Controlling an I/O Virtualization Device through a Network Switch 有权
标题翻译：通过网络交换机管理，配置和控制I / O虚拟化设备的方法和装置
公开(公告)号：US20100232443A1
公开(公告)日：2010-09-16
申请号：US12725007
申请日：2010-03-16
申请人： Vijoy Pandey
发明人： Vijoy Pandey
IPC分类号： H04L12/56
CPC分类号： H04L49/70 , H04L49/10
摘要： An apparatus and method bridges frames between entities running on the same server. The server has a physical network interface that supports I/O virtualization. The physical network interface has an IOV device with a bridging function capable of bridging frames between entities running on the server. A network switch has a physical port coupled to the server by a physical link and a switching fabric in communication with the physical port for transmitting and receiving Ethernet data frames to and from the IOV device. A control processor, in communication with the IOV device, configures the bridging function of the IOV device to bridge some frames locally within the server between the entities running on the server and to pass other frames through the IOV device over the physical link to the physical port and the switching fabric, so that the switching fabric bridges these other frames between the entities.
摘要翻译：一种装置和方法在运行在同一服务器上的实体之间桥接框架。服务器具有支持I / O虚拟化的物理网络接口。物理网络接口具有具有桥接功能的IOV设备，能够在服务器上运行的实体之间桥接帧。网络交换机具有通过物理链路和与物理端口通信的交换结构耦合到服务器的物理端口，用于向IOV设备发送和接收以太网数据帧。与IOV设备通信的控制处理器配置IOV设备的桥接功能，以在服务器之间本地运行在服务器上的实体之间桥接一些帧，并且通过IOV设备将其他帧通过物理链路传递到物理链路端口和交换结构，使交换结构在实体之间桥接这些其他帧。

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