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1. 发明授权

US08837499B2 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
公开(公告)号：US08837499B2
公开(公告)日：2014-09-16
申请号：US13107894
申请日：2011-05-14
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 of the plurality of ports 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 of the plurality of ports also includes a receive interface that, responsive to receipt of data traffic from a particular lower tier entity among the plurality of lower tier entities, queues the data traffic to the virtual port among the plurality of virtual ports 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 among the plurality of ports 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。多个端口中的每一个包括多个虚拟端口，每个虚拟端口对应于耦合到该端口的下层实体的多个远程物理接口（RPI）中的相应一个。多个端口中的每一个还包括接收接口，响应于在多个较低层实体中从特定低层实体接收的数据流量将数据流量排队到对应于多个虚拟端口的多个虚拟端口中的虚拟端口作为数据流量来源的特定下层实体的RPI。主交换机还包括交换控制器，用于将数据业务从虚拟端口切换到数据业务转发的多个端口中的出口端口。

2. 发明授权

US08798080B2 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
公开(公告)号：US08798080B2
公开(公告)日：2014-08-05
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。

3. 发明申请

US20120287939A1 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：US20120287939A1
公开(公告)日：2012-11-15
申请号：US13107894
申请日：2011-05-14
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 of the plurality of ports 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 of the plurality of ports also includes a receive interface that, responsive to receipt of data traffic from a particular lower tier entity among the plurality of lower tier entities, queues the data traffic to the virtual port among the plurality of virtual ports 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 among the plurality of ports 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。多个端口中的每一个包括多个虚拟端口，每个虚拟端口对应于耦合到该端口的下层实体的多个远程物理接口（RPI）中的相应一个。多个端口中的每一个还包括接收接口，响应于在多个较低层实体中从特定低层实体接收的数据流量将数据流量排队到对应于多个虚拟端口的多个虚拟端口中的虚拟端口作为数据流量来源的特定下层实体的RPI。主交换机还包括交换控制器，用于将数据业务从虚拟端口切换到数据业务转发的多个端口中的出口端口。

4. 发明申请

US20120287786A1 PRIORITY BASED FLOW CONTROL IN A DISTRIBUTED FABRIC PROTOCOL (DFP) SWITCHING NETWORK ARCHITECTURE 有权
标题翻译：分布式织物协议（DFP）切换网络架构中基于优先级的流量控制
公开(公告)号：US20120287786A1
公开(公告)日：2012-11-15
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： H04L12/26
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。

5. 发明授权

US08594082B2 Priority based flow control in a distributed fabric protocol (DFP) switching network architecture 有权
公开(公告)号：US08594082B2
公开(公告)日：2013-11-26
申请号：US13472964
申请日：2012-05-16
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.

6. 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。

7. 发明申请

US20120287787A1 PRIORITY BASED FLOW CONTROL IN A DISTRIBUTED FABRIC PROTOCOL (DFP) SWITCHING NETWORK ARCHITECTURE 有权
公开(公告)号：US20120287787A1
公开(公告)日：2012-11-15
申请号：US13472964
申请日：2012-05-16
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： H04L12/26
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.

8. 发明授权

US08670450B2 Efficient software-based private VLAN solution for distributed virtual switches 有权
公开(公告)号：US08670450B2
公开(公告)日：2014-03-11
申请号：US13107554
申请日：2011-05-13
申请人： Amitabha Biswas , John Buswell , Dayavanti G. Kamath , Jayakrishna Kidambi , Vijoy Pandey , Dorit Rond
发明人： Amitabha Biswas , John Buswell , Dayavanti G. Kamath , Jayakrishna Kidambi , Vijoy Pandey , Dorit Rond
IPC分类号： H04L12/56
CPC分类号： H04L12/4641 , H04L49/70
摘要： Packet processing logic of a host system's virtualization manager detects packets on the ingress or the egress path to/from a virtual port having three bitmap arrays for processing packets within a virtual local area network (VLAN). The logic checks the VLAN identifier (VID) of the packet to determine, based on an offset position within the corresponding bitmap array, whether the port supports the VLAN. Both the ingress array offset position and egress array offset positions correspond to the value of the VID, and are set within the specific bitmap array during configuration of the VLAN on the port. When the VLAN is supported by the port, the logic enables the packet to be processed by the port. Otherwise, the logic discards the packet. A strip bitmap array indicates when a packet's VID should be removed prior to forwarding the packet on the egress of a port (or destination port).

9. 发明授权

US08824485B2 Efficient software-based private VLAN solution for distributed virtual switches 有权
标题翻译：用于分布式虚拟交换机的高效的基于软件的私有VLAN解决方案
公开(公告)号：US08824485B2
公开(公告)日：2014-09-02
申请号：US13621219
申请日：2012-09-15
申请人： Amitabha Biswas , John Buswell , Dayavanti G. Kamath , Jayakrishna Kidambi , Vijoy Pandey , Dorit Rond
发明人： Amitabha Biswas , John Buswell , Dayavanti G. Kamath , Jayakrishna Kidambi , Vijoy Pandey , Dorit Rond
IPC分类号： H04L12/56
CPC分类号： H04L12/4641 , H04L49/70
摘要： Packet processing logic of a host system's virtualization manager detects packets on the ingress or the egress path to/from a virtual port having three bitmap arrays for processing packets within a virtual local area network (VLAN). The logic checks the VLAN identifier (VID) of the packet to determine, based on an offset position within the corresponding bitmap array, whether the port supports the VLAN. Both the ingress array offset position and egress array offset positions correspond to the value of the VID, and are set within the specific bitmap array during configuration of the VLAN on the port. When the VLAN is supported by the port, the logic enables the packet to be processed by the port. Otherwise, the logic discards the packet. A strip bitmap array indicates when a packet's VID should be removed prior to forwarding the packet on the egress of a port (or destination port).
摘要翻译：主机系统的虚拟化管理器的数据包处理逻辑检测来自具有三个位图阵列的虚拟端口的入口或出口路径上的数据包，以处理虚拟局域网（VLAN）内的数据包。该逻辑检查数据包的VLAN标识符（VID），以根据相应位图阵列中的偏移位置确定端口是否支持VLAN。入口阵列偏移位置和出口阵列偏移位置对应于VID的值，并且在端口上配置VLAN期间设置在特定位图阵列内。当端口支持VLAN时，该逻辑使该端口能够处理该数据包。否则，逻辑丢弃数据包。条带位图数组指示在端口（或目的地端口）的出口上转发数据包之前应该删除数据包的VID。

10. 发明申请

US20130010799A1 Efficient Software-Based Private VLAN Solution for Distributed Virtual Switches 有权
标题翻译：用于分布式虚拟交换机的高效的基于软件的专用VLAN解决方案
公开(公告)号：US20130010799A1
公开(公告)日：2013-01-10
申请号：US13621219
申请日：2012-09-15
申请人： Amitabha Biwas , John Buswell , Dayavanti G. Kamath , Jayakrishna Kidambi , Vijoy Pandey , Dorit Rond
发明人： Amitabha Biwas , John Buswell , Dayavanti G. Kamath , Jayakrishna Kidambi , Vijoy Pandey , Dorit Rond
IPC分类号： H04L12/56
CPC分类号： H04L12/4641 , H04L49/70
摘要： Packet processing logic of a host system's virtualization manager detects packets on the ingress or the egress path to/from a virtual port having three bitmap arrays for processing packets within a virtual local area network (VLAN). The logic checks the VLAN identifier (VID) of the packet to determine, based on an offset position within the corresponding bitmap array, whether the port supports the VLAN. Both the ingress array offset position and egress array offset positions correspond to the value of the VID, and are set within the specific bitmap array during configuration of the VLAN on the port. When the VLAN is supported by the port, the logic enables the packet to be processed by the port. Otherwise, the logic discards the packet. A strip bitmap array indicates when a packet's VID should be removed prior to forwarding the packet on the egress of a port (or destination port).
摘要翻译：主机系统的虚拟化管理器的数据包处理逻辑检测来自具有三个位图阵列的虚拟端口的入口或出口路径上的数据包，以处理虚拟局域网（VLAN）内的数据包。该逻辑检查数据包的VLAN标识符（VID），以根据相应位图阵列中的偏移位置确定端口是否支持VLAN。入口阵列偏移位置和出口阵列偏移位置对应于VID的值，并且在端口上配置VLAN期间设置在特定位图阵列内。当端口支持VLAN时，该逻辑使该端口能够处理该数据包。否则，逻辑丢弃数据包。条带位图数组指示在端口（或目的地端口）的出口上转发数据包之前应该删除数据包的VID。

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