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131. 发明申请

US20100177777A1 PRESERVING THE ORDER OF PACKETS THROUGH A DEVICE 有权
标题翻译：通过设备保存包装的订单
公开(公告)号：US20100177777A1
公开(公告)日：2010-07-15
申请号：US12731653
申请日：2010-03-25
申请人： Stefan DYCKERHOFF , Pankaj Patel , Pradeep Sindhu , Ashok Krishnamurthi , Hann-Hwan Ju , Ramalingam K. Anand , Dennis C. Ferguson , Chang-Hong Wu
发明人： Stefan DYCKERHOFF , Pankaj Patel , Pradeep Sindhu , Ashok Krishnamurthi , Hann-Hwan Ju , Ramalingam K. Anand , Dennis C. Ferguson , Chang-Hong Wu
IPC分类号： H04L12/56
CPC分类号： H04L45/00 , H04L45/60 , H04L47/125 , H04L49/103 , H04L49/45 , H04L49/552
摘要： A network device includes one or more sprayers, multiple packet processors, and one or more desprayers. The sprayers receive packets on at least one incoming packet stream and distribute the packets according to a load balancing scheme that balances the number of bytes of packet data that is given to each of the packet processors. The packet processors receive the packets from the sprayers and process the packets to determine routing information for the packets. The desprayers receive the processed packets from the packet processors and transmit the packets on at least one outgoing packet stream based on the routing information.
摘要翻译：网络设备包括一个或多个喷雾器，多个分组处理器和一个或多个解卷器。喷雾器在至少一个输入分组流上接收分组，并根据负载平衡方案分发分组，该负载平衡方案平衡给予每个分组处理器的分组数据的字节数。分组处理器接收来自喷雾器的分组，并处理分组以确定分组的路由信息。解散器从分组处理器接收处理的分组，并基于路由信息在至少一个输出分组流上传送分组。

132. 发明申请

US20100165990A1 SYSTEMS AND METHODS FOR EFFICIENT MULTICAST HANDLING 有权
标题翻译：用于有效的多媒体处理的系统和方法
公开(公告)号：US20100165990A1
公开(公告)日：2010-07-01
申请号：US12723172
申请日：2010-03-12
申请人： Pradeep SINDHU , Debashis BASU , Pankaj PATEL , Raymond LIM , Avanindra GODBOLE , Tatao CHUANG , Chi-Chung K. CHEN , Jeffrey G. LIBBY , Dennis FERGUSON , Philippe LACROUTE , Gerald CHEUNG
发明人： Pradeep SINDHU , Debashis BASU , Pankaj PATEL , Raymond LIM , Avanindra GODBOLE , Tatao CHUANG , Chi-Chung K. CHEN , Jeffrey G. LIBBY , Dennis FERGUSON , Philippe LACROUTE , Gerald CHEUNG
IPC分类号： H04L12/56
CPC分类号： H04L12/4633 , H04L12/66
摘要： A network device constructs a notification corresponding to a received multicast data unit, where the notification includes administrative data associated with the multicast data unit that does not include a payload of the multicast data unit. The network device replicates the notification at least three different processing elements at different locations in a processing path of the network device to produce multiple replicated data items and produces a copy of the multicast data unit for each of replicated notifications. The network device forwards each copy of the multicast data unit towards a multicast destination.
摘要翻译：网络设备构建对应于所接收的多播数据单元的通知，其中通知包括与不包括多播数据单元的有效载荷的多播数据单元相关联的管理数据。网络设备在网络设备的处理路径中的不同位置处至少复制三个不同的处理元件，以产生多个复制数据项，并为每个复制的通知产生多播数据单元的副本。网络设备将组播数据单元的每个副本转发到组播目的地。

133. 发明申请

US20100165870A1 BANDWIDTH DIVISION FOR PACKET PROCESSING 失效
标题翻译：用于分组处理的带宽部分
公开(公告)号：US20100165870A1
公开(公告)日：2010-07-01
申请号：US12723303
申请日：2010-03-12
申请人： Stefan DYCKERHOFF , Pankaj Patel , Pradeep Sindhu , Ashok Krishnamurthi , Hann-Hwan Ju , Ramalingam Krishnamurthi Anand
发明人： Stefan DYCKERHOFF , Pankaj Patel , Pradeep Sindhu , Ashok Krishnamurthi , Hann-Hwan Ju , Ramalingam Krishnamurthi Anand
IPC分类号： H04L12/26
CPC分类号： H04L45/00 , H04L45/60 , H04L47/125 , H04L49/103 , H04L49/45 , H04L49/552
摘要： A bandwidth divider and method for allocating bandwidth between a plurality of packet processors. The bandwidth divider includes a plurality of counters for measuring the bandwidth of data packets transferred from the bandwidth divider to a respective packet processor; and a controller for analyzing the plurality of counters and transferring a data packet to a selected packet processor based on the contents of the counters. The method monitors the bandwidth consumed by the packet processors; determines, based on the bandwidth consumed by the packet processors, which packet processor has consumed the least amount of bandwidth; and allocates a next data packet to the packet processor which has consumed the least amount of bandwidth.
摘要翻译：一种用于在多个分组处理器之间分配带宽的带宽分配器和方法。带宽分配器包括多个计数器，用于测量从带宽分配器传输到相应分组处理器的数据分组的带宽; 以及用于分析所述多个计数器并基于所述计数器的内容将数据分组传送到所选分组处理器的控制器。该方法监视分组处理器消耗的带宽; 基于分组处理器消耗的带宽来确定哪个分组处理器消耗的带宽最小; 并将下一个数据分组分配给消耗最少带宽的分组处理器。

134. 发明授权

US07715449B1 Preserving the order of packets through a device 有权
标题翻译：通过设备保持数据包的顺序
公开(公告)号：US07715449B1
公开(公告)日：2010-05-11
申请号：US11332402
申请日：2006-01-17
申请人： Stefan Dyckerhoff , Pankaj Patel , Pradeep Sindhu , Ashok Krishnamurthi , Hann-Hwan Ju , Ramalingam K. Anand , Dennis C. Ferguson , Chang-Hong Wu
发明人： Stefan Dyckerhoff , Pankaj Patel , Pradeep Sindhu , Ashok Krishnamurthi , Hann-Hwan Ju , Ramalingam K. Anand , Dennis C. Ferguson , Chang-Hong Wu
IPC分类号： H04L12/56 , H04J1/16
CPC分类号： H04L45/00 , H04L45/60 , H04L47/125 , H04L49/103 , H04L49/45 , H04L49/552
摘要： A network device includes one or more sprayers, multiple packet processors, and one or more desprayers. The sprayers receive packets on at least one incoming packet stream and distribute the packets according to a load balancing scheme that balances the number of bytes of packet data that is given to each of the packet processors. The packet processors receive the packets from the sprayers and process the packets to determine routing information for the packets. The desprayers receive the processed packets from the packet processors and transmit the packets on at least one outgoing packet stream based on the routing information.
摘要翻译：网络设备包括一个或多个喷雾器，多个分组处理器和一个或多个解卷器。喷雾器在至少一个输入分组流上接收分组，并根据负载平衡方案分发分组，该负载平衡方案平衡给予每个分组处理器的分组数据的字节数。分组处理器接收来自喷雾器的分组，并处理分组以确定分组的路由信息。解散器从分组处理器接收处理的分组，并基于路由信息在至少一个输出分组流上传送分组。

135. 发明申请

US20100061394A1 METHODS AND APPARATUS RELATED TO ANY-TO-ANY CONNECTIVITY WITHIN A DATA CENTER 有权
标题翻译：与数据中心中的任何连接相关的方法和装置
公开(公告)号：US20100061394A1
公开(公告)日：2010-03-11
申请号：US12495337
申请日：2009-06-30
申请人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
发明人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
IPC分类号： H04L12/56
CPC分类号： H04Q3/68 , H04L49/1515 , H04L49/1523 , H04L49/153 , H04L49/254 , H04L49/351 , H04L49/40 , H04L49/70
摘要： In one embodiment, an apparatus includes a switch core that defines a single logical entity and has a multi-stage switch fabric physically distributed across a plurality of chassis. The multi-stage switch fabric has a plurality of ingress ports and a plurality of egress ports. The switch core is configured to be coupled to a plurality of peripheral processing devices via the plurality of ingress ports and the plurality of egress ports. The switch core is also configured to provide non-blocking connectivity at line rate between a first peripheral processing device disposed with a first chassis and a second peripheral processing device disposed within a second chassis.
摘要翻译：在一个实施例中，设备包括交换机核心，其定义单个逻辑实体并且具有物理上分布在多个机箱上的多级交换机结构。多级交换结构具有多个入口和多个出口。交换机核心被配置为经由多个入口端口和多个出口端口耦合到多个外围处理设备。交换机核心还被配置为在布置在第一机架的第一外围处理设备与设置在第二机架内的第二外围处理设备之间的线路速率下提供非阻塞连接。

136. 发明申请

US20100061391A1 METHODS AND APPARATUS RELATED TO A LOW COST DATA CENTER ARCHITECTURE 有权
标题翻译：与低成本数据中心架构相关的方法和装置
公开(公告)号：US20100061391A1
公开(公告)日：2010-03-11
申请号：US12558130
申请日：2009-09-11
申请人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
发明人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
IPC分类号： H04L12/56 , H04J3/24
CPC分类号： H04L49/3072 , H04L49/1515 , H04L49/35 , H04L49/356 , H04L49/70
摘要： In one embodiment, an apparatus can include a first edge device that can have a packet processing module. The first edge device can be configured to receive a packet. The packet processing module of the first edge device can be configured to produce cells based on the packet. A second edge device can have a packet processing module configured to reassemble the packet based on the cells. A multi-stage switch fabric can be coupled to the first edge device and the second edge device. The multi-stage switch fabric can define a single logical entity. The multi-stage switch fabric can have switch modules. Each switch module from the switch modules can have a shared memory device. The multi-stage switch fabric can be configured to switch the cells so that the cells are sent to the second edge device.
摘要翻译：在一个实施例中，装置可以包括可以具有分组处理模块的第一边缘设备。第一边缘设备可以被配置为接收分组。第一边缘设备的分组处理模块可以被配置为基于分组来生成单元。第二边缘设备可以具有配置成基于小区重新组合分组的分组处理模块。多级交换结构可以耦合到第一边缘设备和第二边缘设备。多级交换结构可以定义单个逻辑实体。多级交换结构可以具有交换机模块。交换机模块的每个交换机模块都可以具有共享存储设备。多级交换结构可以被配置为切换小区，使得小区被发送到第二边缘设备。

137. 发明申请

US20100061389A1 METHODS AND APPARATUS RELATED TO VIRTUALIZATION OF DATA CENTER RESOURCES 有权
标题翻译：与数据中心资源虚拟化相关的方法和装置
公开(公告)号：US20100061389A1
公开(公告)日：2010-03-11
申请号：US12495364
申请日：2009-06-30
申请人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
发明人： Pradeep Sindhu , Gunes Aybay , Jean-Marc Frailong , Anjan Venkatramani , Quaizar Vohra
IPC分类号： H04L12/56
CPC分类号： H04L49/35 , H04L49/00 , H04L49/1515 , H04L49/251 , H04L49/356 , H04L49/70
摘要： In one embodiment, an apparatus includes a switch core that has a multi-stage switch fabric. A first set of peripheral processing devices coupled to the multi-stage switch fabric by a set of connections that have a protocol. Each peripheral processing device from the first set of peripheral processing devices is a storage node that has virtualized resources. The virtualized resources of the first set of peripheral processing devices collectively define a virtual storage resource interconnected by the switch core. A second set of peripheral processing devices coupled to the multi-stage switch fabric by a set of connections that have the protocol. Each peripheral processing device from the first set of peripheral processing devices is a compute node that has virtualized resources. The virtualized resources of the second set of peripheral processing devices collectively define a virtual compute resource interconnected by the switch core.
摘要翻译：在一个实施例中，一种装置包括具有多级交换结构的交换机核心。通过具有协议的一组连接耦合到多级交换机结构的第一组外围处理设备。来自第一组外围处理装置的每个外围处理装置是具有虚拟资源的存储节点。第一组外围处理设备的虚拟化资源共同定义了由交换机核心互连的虚拟存储资源。通过具有协议的一组连接耦合到多级交换机结构的第二组外设处理设备。来自第一组外围处理装置的每个外围处理装置是具有虚拟资源的计算节点。第二组外围处理设备的虚拟化资源共同定义了由交换机核心互连的虚拟计算资源。

138. 发明授权

US07406089B1 Data verification using signature 有权
标题翻译：使用签名数据验证
公开(公告)号：US07406089B1
公开(公告)日：2008-07-29
申请号：US10210511
申请日：2002-07-31
申请人： Rami Rahim , Pradeep Sindhu
发明人： Rami Rahim , Pradeep Sindhu
IPC分类号： H04L9/30
CPC分类号： H04L63/123
摘要： A system processes packets in a network device and includes a memory for buffering the packets. The memory may store the packets in memory in data cells. To expedite packet processing, portions of the packet are extracted and placed in a notification, which is then used for packet processing operations, such as route lookup, policing, and accounting. The notification may also include address elements, such as address offsets, that define the locations of the data cells in memory. The address elements can be used to read the data cells from the memory when packet processing is done. If the notification cannot hold all the address elements, additional cells, indirect cells, are created for holding the remaining address elements. The indirect cells are formed in a linked list. The notification contains an address element. To prevent reading incorrect indirect cells, each indirect cell is written with a signature that is created based on the notification. When an indirect cell is read out, the signature is checked to determine whether it belongs to that notification. If the signature is not correct, this may mean that the indirect cell has not yet been written to memory, or that the indirect cell was in some way corrupted during writing, storing, or reading.
摘要翻译：系统处理网络设备中的分组，并且包括用于缓冲分组的存储器。存储器可以将数据包存储在数据单元中。为了加快分组处理，分组的部分被提取并放置在通知中，然后用于诸如路由查找，管理和计费之类的分组处理操作。通知还可以包括定义存储器中的数据单元的位置的地址元素，例如地址偏移。当数据包处理完成时，地址元素可用于从存储器读取数据单元。如果通知不能容纳所有地址元素，则创建附加单元格，间接单元格以保留剩余的地址单元。间接细胞在链表中形成。通知包含地址元素。为了防止读取不正确的间接单元格，每个间接单元都将使用基于通知创建的签名进行写入。当读取间接单元时，检查签名以确定它是否属于该通知。如果签名不正确，这可能意味着间接单元格尚未写入存储器，或间接单元格在写入，存储或读取期间以某种方式损坏。

139. 发明授权

US07382793B1 Systems and methods for determining the bandwidth used by a queue 有权
标题翻译：用于确定队列使用带宽的系统和方法
公开(公告)号：US07382793B1
公开(公告)日：2008-06-03
申请号：US10207001
申请日：2002-07-30
申请人： Pradeep Sindhu , Debashis Basu , Jayabharat Boddu , Avanindra Godbole
发明人： Pradeep Sindhu , Debashis Basu , Jayabharat Boddu , Avanindra Godbole
IPC分类号： H04L12/28
CPC分类号： H04L41/0896 , H04L43/0882 , H04L43/0888
摘要： A system determines bandwidth use by queues in a network device. To do this, the system determines an instantaneous amount of bandwidth used by each of the queues and an average amount of bandwidth used by each of the queues. The system then identifies bandwidth use by each of the queues based on the instantaneous bandwidth used and the average bandwidth used by each of the queues.
摘要翻译：系统确定网络设备中队列的带宽使用情况。为此，系统确定每个队列使用的瞬时带宽量和每个队列使用的平均带宽量。然后，系统基于所使用的瞬时带宽和每个队列使用的平均带宽来识别每个队列的带宽使用。

140. 发明授权

US07245626B1 Systems and methods for permitting queues to oversubscribe 有权
标题翻译：允许队列超额认购的系统和方法
公开(公告)号：US07245626B1
公开(公告)日：2007-07-17
申请号：US10206998
申请日：2002-07-30
申请人： Pradeep Sindhu , Debashis Basu , Jayabharat Boddu , Avanindra Godbole
发明人： Pradeep Sindhu , Debashis Basu , Jayabharat Boddu , Avanindra Godbole
IPC分类号： H04L12/56
CPC分类号： H04L47/525 , H04L47/50 , H04L47/522
摘要： A system permits queues to use more than an allocated amount of bandwidth. The system allocates an amount of bandwidth to each of the queues and determines whether any of the queues is using less than the allocated amount of bandwidth. If so, the system reallocates the allocated bandwidth from one of the queues to at least one other one of the queues based on the amount of bandwidth used by each of the queues.
摘要翻译：系统允许队列使用多于分配的带宽量。系统为每个队列分配一定量的带宽，并确定任何一个队列是否使用小于分配的带宽量。如果是这样，则系统根据每个队列使用的带宽量，将所分配的带宽从一个队列重新分配到至少一个队列中。

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