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1. 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。

2. 发明申请

US20130088959A1 CREDIT-BASED NETWORK CONGESTION MANAGEMENT 有权
公开(公告)号：US20130088959A1
公开(公告)日：2013-04-11
申请号：US13267578
申请日：2011-10-06
申请人： DAYAVANTI G. KAMATH , KESHAV KAMBLE , DEEPAK KUMAR , DAR-REN LEU , VIJOY PANDEY
发明人： DAYAVANTI G. KAMATH , KESHAV KAMBLE , DEEPAK KUMAR , DAR-REN LEU , VIJOY PANDEY
IPC分类号： H04L12/26
CPC分类号： H04L47/35 , H04L47/2458 , H04L47/39
摘要： A switching network includes first, second and third switches coupled for communication, such that the first and third switches communicate data traffic via the second switch. The first switch is operable to request transmission credits from the third switch, receive the transmission credits from the third switch and perform transmission of data traffic in reference to the transmission credits. The third switch is operable to receive the request for transmission credits from the first switch, generate the transmission credits and transmit the transmission credits to the first switch via the second switch. The second switch is operable to modify the transmission credits transmitted by the third switch prior to receipt of the transmission credits at the first switch.

3. 发明申请

US20130064067A1 HIGH AVAILABILITY DISTRIBUTED FABRIC PROTOCOL (DFP) SWITCHING NETWORK ARCHITECTURE 有权
公开(公告)号：US20130064067A1
公开(公告)日：2013-03-14
申请号：US13595405
申请日：2012-08-27
申请人： DAYAVANTI G. KAMATH , KESHAV KAMBLE , DARREN LEU , VIJOY PANDEY , NANDAKUMAR PEETHAMBARAM
发明人： DAYAVANTI G. KAMATH , KESHAV KAMBLE , DARREN LEU , VIJOY PANDEY , NANDAKUMAR PEETHAMBARAM
IPC分类号： H04L12/24
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.

4. 发明申请

US20130064068A1 HIGH AVAILABILITY DISTRIBUTED FABRIC PROTOCOL (DFP) SWITCHING NETWORK ARCHITECTURE 有权
标题翻译：高可用性分布式织物协议（DFP）切换网络架构
公开(公告)号：US20130064068A1
公开(公告)日：2013-03-14
申请号：US13229891
申请日：2011-09-12
申请人： DAYAVANTI G. KAMATH , KESHAV KAMBLE , DARREN LEU , VIJOY PANDEY , NANDAKUMAR PEETHAMBARAM
发明人： DAYAVANTI G. KAMATH , KESHAV KAMBLE , DARREN LEU , VIJOY PANDEY , NANDAKUMAR PEETHAMBARAM
IPC分类号： H04L12/26
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.
摘要翻译：在交换网络中，多个下层实体中的每一个通过多个链路中的相应一个在较高层被耦合到多个主交换机中的每一个。在多个主交换机中的每一个上，在多个端口中的每个端口上实现多个虚拟端口，每个虚拟端口分别对应于较低层的多个远程物理接口（RPI）中的相应一个。多个下层实体中的每一个实现相应的出口端口映射，指示其多个RPI中的哪一个通过其到多个主交换机的多个链路中的每一个传送出口数据业务。响应于将特定下层实体耦合到特定主交换机的多个链路之一的故障，特定的下层实体更新其出口端口映射以将出口数据业务重定向到多个主交换机中的另一个而不丢包。

5. 发明申请

US20130067049A1 UPDATING A SWITCH SOFTWARE IMAGE IN A DISTRIBUTED FABRIC PROTOCOL (DFP) SWITCHING NETWORK 有权
公开(公告)号：US20130067049A1
公开(公告)日：2013-03-14
申请号：US13595047
申请日：2012-08-27
申请人： NIRAPADA GHOSH , DAYAVANTI G. KAMATH , KESHAV KAMBLE , DARREN LEU , NILANJAN MUKHERJEE , VIJOY PANDEY
发明人： NIRAPADA GHOSH , DAYAVANTI G. KAMATH , KESHAV KAMBLE , DARREN LEU , NILANJAN MUKHERJEE , VIJOY PANDEY
IPC分类号： G06F15/177
CPC分类号： H04L41/0816 , H04L41/082
摘要： A switching network has a plurality of switches including at least a switch and a managing master switch. At the managing master switch, a first capability vector (CV) is received from the switch. The managing master switch determines whether the first CV is compatible with at least a second CV in a network membership data structure that records CVs of multiple switches in the switching network. In response to detecting an incompatibility, the managing master switch initiates an image update to an image of the switch. In response to a failure of the image update at the switch, the switch boots utilizing a mini-DC module that reestablishes communication between the switch with the managing master switch and retries the image update.

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