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21. 发明授权

US07283470B1 Systems and methods for dropping data using a drop profile 有权
标题翻译：使用放置配置文件删除数据的系统和方法
公开(公告)号：US07283470B1
公开(公告)日：2007-10-16
申请号：US10207002
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： G01R31/08
CPC分类号： H04L47/32 , H04L47/10 , H04L47/23 , H04L47/30 , H04L47/326 , H04L49/90 , H04L49/9078
摘要： A system selectively drops data from queues. The system includes a drop table that stores drop probabilities. The system selects one of the queues to examine and generates an index into the drop table to identify one of the drop probabilities for the examined queue. The system then determines whether to drop data from the examined queue based on the identified drop probability.
摘要翻译：系统有选择地从队列中删除数据。该系统包括存储丢弃概率的丢弃表。系统选择一个队列来检查并生成一个索引到丢包表中，以识别已检查队列的一个丢弃概率。系统然后基于所识别的丢弃概率来确定是否从检查的队列中丢弃数据。

22. 发明申请

US20130258853A1 SYSTEMS AND METHODS FOR SELECTIVELY PERFORMING EXPLICIT CONGESTION NOTIFICATION 审中-公开
标题翻译：用于选择性地进行明确约束通知的系统和方法
公开(公告)号：US20130258853A1
公开(公告)日：2013-10-03
申请号：US13902463
申请日：2013-05-24
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： H04L12/70
CPC分类号： H04L47/12 , H04L47/10 , H04L47/11 , H04L47/29 , H04L47/30 , H04L47/32 , H04L47/35
摘要： A system provides congestion control and includes multiple queues that temporarily store data and a drop engine. The system associates a value with each of the queues, where each of the values relates to an amount of memory associated with the queue. The drop engine compares the value associated with a particular one of the queues to one or more programmable thresholds and selectively performs explicit congestion notification or packet dropping on data in the particular queue based on a result of the comparison.
摘要翻译：系统提供拥塞控制，并且包括临时存储数据的多个队列和丢弃引擎。系统将值与每个队列相关联，其中每个值与与队列相关联的内存量相关。丢包引擎将与特定队列相关联的值与一个或多个可编程阈值进行比较，并且基于比较的结果选择性地对特定队列中的数据进行显式拥塞通知或分组丢弃。

23. 发明授权

US08335158B2 Systems and methods for dropping data using a drop profile 有权
标题翻译：使用放置配置文件删除数据的系统和方法
公开(公告)号：US08335158B2
公开(公告)日：2012-12-18
申请号：US12780607
申请日：2010-05-14
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： H04L1/00
CPC分类号： H04L47/32 , H04L47/10 , H04L47/23 , H04L47/30 , H04L47/326 , H04L49/90 , H04L49/9078
摘要： A system selectively drops data from queues. The system includes a drop table that stores drop probabilities. The system selects one of the queues to examine and generates an index into the drop table to identify one of the drop probabilities for the examined queue. The system then determines whether to drop data from the examined queue based on the identified drop probability.
摘要翻译：系统有选择地从队列中删除数据。该系统包括存储丢弃概率的丢弃表。系统选择一个队列来检查并生成一个索引到丢包表中，以识别已检查队列的一个丢弃概率。系统然后基于所识别的丢弃概率来确定是否从检查的队列中丢弃数据。

24. 发明授权

US07885281B2 Systems and methods for determining the bandwidth used by a queue 失效
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：US07885281B2
公开(公告)日：2011-02-08
申请号：US12723402
申请日：2010-03-12
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。

25. 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。

26. 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。

27. 发明授权

US5974511A Cache subsystem with pseudo-packet switch 失效
标题翻译：具有伪分组交换的缓存子系统
公开(公告)号：US5974511A
公开(公告)日：1999-10-26
申请号：US828470
申请日：1997-03-31
申请人： Jayabharat Boddu , Jui-Cheng Su
发明人： Jayabharat Boddu , Jui-Cheng Su
IPC分类号： G06F12/08 , G06F12/00
CPC分类号： G06F12/0835 , G06F12/0811
摘要： A host includes a bus cache, a L1 cache and an enhanced snoop logic circuit to increase bandwidth of peripheral bus during a memory access transaction. When a device connected to the peripheral bus starts a memory read transaction, the host converts the virtual address of the memory read transaction to a physical address. The snoop logic circuit checks to see whether the physical address is in the bus cache and, if so, whether the data in the bus cache corresponding to address is valid. If there is a bus cache hit, the corresponding data is accessed from the bus cache and output onto the peripheral bus. However, if the snoop logic circuit does not find the physical address in the bus cache or finds that the data is invalid, the snoop logic circuit causes (1) the peripheral bus interface unit to perform a retry operation on the peripheral bus and (2) the cache controller to process a memory request to retrieve the requested data from the L1 cache, L2 cache (if any) or the main memory and store the requested data into the bus cache. In addition, when the device retries the memory read request, the bus cache will have the requested data so that the data can be immediately provided to the peripheral bus. Thus, in memory read transactions longer than a cache line, the data is provided on the peripheral bus in a pseudo-packet switched manner.
摘要翻译：主机包括总线缓存，L1高速缓存和增强型窥探逻辑电路，以在存储器访问事务期间增加外围总线的带宽。当连接到外围总线的设备开始存储器读取事务时，主机将存储器读取事务的虚拟地址转换为物理地址。侦听逻辑电路检查物理地址是否在总线缓存中，如果是，则对应于地址的总线缓存中的数据是否有效。如果总线缓存命中，则从总线缓存访问相应的数据并输出到外设总线上。然而，如果窥探逻辑电路没有在总线缓存中找到物理地址或发现数据无效，则侦听逻辑电路使（1）外围总线接口单元在外设总线上执行重试操作，（2 ）高速缓存控制器来处理存储器请求以从L1高速缓存，L2高速缓存（如果有的话）或主存储器中检索所请求的数据，并将所请求的数据存储到总线缓存中。此外，当设备重试存储器读取请求时，总线缓存将具有所请求的数据，使得可以将数据立即提供给外围总线。因此，在高于高速缓存行的存储器读取事务中，以伪分组交换的方式在外围总线上提供数据。

28. 发明授权

US07978609B2 Systems and methods for improving packet scheduling accuracy 有权
标题翻译：提高数据包调度精度的系统和方法
公开(公告)号：US07978609B2
公开(公告)日：2011-07-12
申请号：US12470627
申请日：2009-05-22
申请人： Sreeram Veeragandham , Rami Rahim , Song Zhang , Anurag P. Gupta , Jorge Cruz-Rios , Jayabharat Boddu , Jeffrey R. Zimmer , Jia-Chang Wang , Srihari Shoroff , Chi-Chung K. Chen
发明人： Sreeram Veeragandham , Rami Rahim , Song Zhang , Anurag P. Gupta , Jorge Cruz-Rios , Jayabharat Boddu , Jeffrey R. Zimmer , Jia-Chang Wang , Srihari Shoroff , Chi-Chung K. Chen
IPC分类号： H04L1/00
CPC分类号： H04L47/623 , H04L47/263 , H04L47/50 , H04L47/522 , H04L47/6265
摘要： A packet scheduler is configured to perform quality of service (QoS) scheduling on a per-data unit basis. A downstream processing engine is operatively connected to the packet scheduler for receiving forwarded packets. A feedback path is operatively connected between the downstream processing engine and the packet scheduler for transmitting a net data unit change value reflecting a change in packet size between an output of the packet scheduler and an output of the downstream processing engine.
摘要翻译：分组调度器被配置为在每个数据单元的基础上执行服务质量（QoS）调度。下游处理引擎可操作地连接到分组调度器以接收转发的分组。反馈路径可操作地连接在下游处理引擎和分组调度器之间，用于发送反映分组调度器的输出和下游处理引擎的输出之间的分组大小变化的净数据单元变化值。

29. 发明申请

US20090245246A1 SYSTEMS AND METHODS FOR IMPROVING PACKET SCHEDULING ACCURACY 有权
标题翻译：用于改进分组调度精度的系统和方法
公开(公告)号：US20090245246A1
公开(公告)日：2009-10-01
申请号：US12470627
申请日：2009-05-22
申请人： Sreeram Veeragandham , Rami Rahim , Song Zhang , Anurag P. Gupta , Jorge Cruz-Rios , Jayabharat Boddu , Jeffrey R. Zimmer , Jia-Chang Wang , Srihari Shoroff , Chi-Chung K. Chen
发明人： Sreeram Veeragandham , Rami Rahim , Song Zhang , Anurag P. Gupta , Jorge Cruz-Rios , Jayabharat Boddu , Jeffrey R. Zimmer , Jia-Chang Wang , Srihari Shoroff , Chi-Chung K. Chen
IPC分类号： H04L12/56
CPC分类号： H04L47/623 , H04L47/263 , H04L47/50 , H04L47/522 , H04L47/6265
摘要： A packet scheduler is configured to perform quality of service (QoS) scheduling on a per-data unit basis. A downstream processing engine is operatively connected to the packet scheduler for receiving forwarded packets. A feedback path is operatively connected between the downstream processing engine and the packet scheduler for transmitting a net data unit change value reflecting a change in packet size between an output of the packet scheduler and an output of the downstream processing engine.
摘要翻译：分组调度器被配置为在每个数据单元的基础上执行服务质量（QoS）调度。下游处理引擎可操作地连接到分组调度器以接收转发的分组。反馈路径可操作地连接在下游处理引擎和分组调度器之间，用于发送反映分组调度器的输出和下游处理引擎的输出之间的分组大小变化的净数据单元变化值。

30. 发明授权

US08078763B1 Dequeuing and congestion control systems and methods for single stream multicast 有权
标题翻译：单流多播的出队和拥塞控制系统和方法
公开(公告)号：US08078763B1
公开(公告)日：2011-12-13
申请号：US10206991
申请日：2002-07-30
申请人： Jayabharat Boddu , Debashis Basu , Avanindra Godbole
发明人： Jayabharat Boddu , Debashis Basu , Avanindra Godbole
IPC分类号： G06F15/16 , H04L12/56
CPC分类号： H04L47/11 , H04L12/1881 , H04L47/15 , H04L47/2441 , H04L47/31 , H04L47/32 , H04L47/522
摘要： A system that processes single stream multicast data includes multiple queues, a dequeue engine, and/or a queue control engine. The queues temporarily store data. At least one of the queues stores single stream multicast data. A multicast count is associated with the single stream multicast data and corresponds to a number of destinations to which the single stream multicast data is to be sent. The dequeue engine dequeues data from the queues. If the data corresponds to the single stream multicast data, the dequeue engine examines the multicast count associated with the single stream multicast data and dequeues the single stream multicast data based on the multicast count. The queue control engine examines one of the queues to determine whether to drop data from the queue and marks the data based on a result of the determination.
摘要翻译：处理单流多播数据的系统包括多个队列，出队引擎和/或队列控制引擎。队列临时存储数据。至少一个队列存储单流多播数据。组播计数与单流多播数据相关联，并且对应于要发送单流多播数据的多个目的地。出队引擎将队列中的数据排队。如果数据对应于单流多播数据，则出队引擎检查与单流多播数据相关联的多播计数，并基于多播计数出发单流多播数据。队列控制引擎检查其中一个队列，以确定是否从队列中删除数据，并根据确定的结果标记数据。

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