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11. 发明授权

US08578040B2 Method, system and article for client application control of network transmission loss tolerance 失效
标题翻译：方法，系统和文章，用于客户端应用程序控制网络传输损耗容限
公开(公告)号：US08578040B2
公开(公告)日：2013-11-05
申请号：US10640847
申请日：2003-08-14
申请人： Dwip N. Banerjee , Kavitha Vittal Murthy Baratakke , Ketan Priyakant Pancholi , Venkat Venkatsubra
发明人： Dwip N. Banerjee , Kavitha Vittal Murthy Baratakke , Ketan Priyakant Pancholi , Venkat Venkatsubra
IPC分类号： G06F15/16
CPC分类号： H04L29/06 , H04L69/16 , H04L69/163
摘要： A dynamically-enforceable application-controlled quasi-reliable extension to TCP permits a client application to dynamically set a percent loss tolerance for data transmission reliability through network input/output system calls to the TCP, thereby programming the transport layer to optimistically acknowledge non-critical missing frames. The reliability requirement can be dynamically set within TCP to the level of reliability required for specific data frames within the data stream during the data transfer. Based on this loss tolerance specified, the TCP layer makes a determination whether to trigger a retransmission or continue delivering out-of-order frames to the application. A forced acknowledgement frame is sent for each missing packet until the number missing packets causing forced acknowledgments within the current receive buffer frame exceeds the loss tolerance. This process avoids needless retransmissions and permits the TCP data flow and sliding window to advance uninterrupted, thereby providing substantial performance benefits to network throughput.
摘要翻译：对TCP的动态可执行的应用程序控制的准可靠扩展允许客户端应用程序通过网络输入/输出系统调用TCP动态设置数据传输可靠性的百分比损耗容限，从而编程传输层，以乐观地确认非关键丢失帧。可靠性要求可以在TCP内动态设置为在数据传输期间数据流内特定数据帧所需的可靠性水平。基于指定的丢失容限，TCP层确定是否触发重传，或者继续向应用发送无序帧。为每个丢失的数据包发送强制确认帧，直到导致当前接收缓冲区帧内的强制确认的数据丢失数据包超过丢失容限。该过程避免了不必要的重传，并允许TCP数据流和滑动窗口不间断地前进，从而为网络吞吐量提供显着的性能优势。

12. 发明申请

US20080183838A1 METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR DELIVERING DATA TO A STORAGE BUFFER ASSIGNED TO AN APPLICATION 失效
标题翻译：用于将数据传送给分配给应用程序的存储缓冲区的方法，系统和计算机程序产品
公开(公告)号：US20080183838A1
公开(公告)日：2008-07-31
申请号：US12060650
申请日：2008-04-01
申请人： VINIT JAIN , Kavitha Vittal Murthy Baratakke , Jeffrey Paul Messing , Venkat Venkatsubra
发明人： VINIT JAIN , Kavitha Vittal Murthy Baratakke , Jeffrey Paul Messing , Venkat Venkatsubra
IPC分类号： G06F15/167
CPC分类号： H04L67/2842 , H04L49/90 , H04L49/9036 , H04L69/16 , H04L69/161 , H04L69/32
摘要： A method, system, and computer program product in a computer-readable medium for delivering data, received from a network, to a storage buffer assigned to an application is proposed. An application designates a communication buffer within a local data processing system for buffering data communicated with an application. The local data processing system reports to a network interface of the local data processing system a memory address of the designated communication buffer, and the data processing system creates a cookie containing the memory address. The data processing system then sends the cookie form the local data processing system to a remote data processing system, such that the remote data processing system may address data directly to the designated communication buffer.
摘要翻译：提出了一种用于将从网络接收的数据传送到分配给应用的存储缓冲器的计算机可读介质中的方法，系统和计算机程序产品。应用程序指定本地数据处理系统内的通信缓冲器，用于缓冲与应用程序通信的数据。本地数据处理系统向本地数据处理系统的网络接口报告指定通信缓冲器的存储器地址，并且数据处理系统创建包含存储器地址的cookie。然后，数据处理系统将本地数据处理系统的cookie发送到远程数据处理系统，使得远程数据处理系统可以直接将数据寻址到指定的通信缓冲器。

13. 发明授权

US07385923B2 Method, system and article for improved TCP performance during packet reordering 失效
标题翻译：方法，系统和文章，用于在数据包重排序期间改进TCP性能
公开(公告)号：US07385923B2
公开(公告)日：2008-06-10
申请号：US10640818
申请日：2003-08-14
申请人： Kavitha Vittal Murthy Baratakke , Vinit Jain , Vasu Vallabhaneni , Venkat Venkatsubra
发明人： Kavitha Vittal Murthy Baratakke , Vinit Jain , Vasu Vallabhaneni , Venkat Venkatsubra
IPC分类号： H04L1/00
CPC分类号： H04L29/06 , H04L69/16 , H04L69/161 , H04L69/163
摘要： TCP congestion avoidance is implemented upon retransmission of a packet and is reverted back to the original congestion state upon receipt of an early acknowledgement (ACK), indicating reordering of packets, thereby eliminating a needless restriction on TCP bandwidth. Upon receiving an ACK to a retransmitted packet, it is determined if the ACK resulted from receipt of the original reordered packet or the retransmitted packet, based on the arrival time of the ACK at the sender. If the round-trip-time (RTT) for the retransmitted packet is much lower than the average or current calculated RTT for the network link between sender and receiver, then the retransmission occurred as a result of a reordering event, and the congestion window is restored back to its value prior to the retransmission, thereby permitting the network link to continue operating at its original increased throughput.
摘要翻译： TCP拥塞避免在分组重传时实现，并且在接收到指示重新排序分组的早期确认（ACK）时被恢复到原始拥塞状态，从而消除对TCP带宽的不必要的限制。在向重传的分组接收到ACK时，基于ACK在发送方的到达时间确定ACK是否从接收到原始重新排序的分组或重传分组而产生。如果重发分组的往返时间（RTT）远低于发送方和接收方之间的网络链路的平均或当前计算的RTT，则重新发送作为重排序事件的结果，拥塞窗口为在重传之前恢复其值，从而允许网络链路以其原始增加的吞吐量继续运行。

14. 发明授权

US07363369B2 Monitoring thread usage to dynamically control a thread pool 失效
标题翻译：监控线程使用情况，以动态控制线程池
公开(公告)号：US07363369B2
公开(公告)日：2008-04-22
申请号：US10687236
申请日：2003-10-16
申请人： Dwip N. Banerjee , Kavitha Vittal Murthy Baratakke , Vinit Jain , Venkat Venkatsubra
发明人： Dwip N. Banerjee , Kavitha Vittal Murthy Baratakke , Vinit Jain , Venkat Venkatsubra
IPC分类号： G06F13/00
CPC分类号： G06F9/5027 , G06F9/544 , G06F2209/5018 , G06F2209/508
摘要： A method, system, and program for monitoring thread usage to dynamically control a thread pool are provided. An application running on the server system invokes a listener thread on a listener socket for receiving client requests at the server system and passing the client requests to one of multiple threads waiting in a thread pool. Additionally, the application sends an ioctl call in blocking mode on the listener thread. A TCP layer within the server system detects the listener thread in blocking mode and monitors a thread count of at least one of a number of incoming requests waiting to be processed and a number of said plurality of threads remaining idle in the thread pool over a sample period. Once the TCP layer detects a thread usage event, the ioctl call is returned indicating the thread usage event with the thread count, such that a number of threads in the thread pool may be dynamically adjusted to handle the thread count.
摘要翻译：提供了一种用于监视线程使用以动态控制线程池的方法，系统和程序。在服务器系统上运行的应用程序调用侦听器套接字上的侦听器线程，以便在服务器系统上接收客户端请求，并将客户端请求传递给线程池中等待的多个线程之一。此外，应用程序在侦听器线程上以阻塞模式发送ioctl调用。服务器系统内的TCP层以阻塞模式检测侦听器线程，并且监视等待被处理的多个传入请求中的至少一个的线程计数，并且线程池中的多个线程在一个样本上保持空闲期。一旦TCP层检测到线程使用事件，将返回指示线程计数的线程使用事件的ioctl调用，以使线程池中的线程数可以被动态调整以处理线程计数。

15. 发明授权

US07734812B2 Method and apparatus for processing outgoing internet protocol packets 有权
标题翻译：处理传出互联网协议报文的方法和装置
公开(公告)号：US07734812B2
公开(公告)日：2010-06-08
申请号：US10165084
申请日：2002-06-06
申请人： Kavitha Vittal Murthy Baratakke , Deanna Lynn Quigg Brown , Jeffrey Paul Messing , Venkat Venkatsubra
发明人： Kavitha Vittal Murthy Baratakke , Deanna Lynn Quigg Brown , Jeffrey Paul Messing , Venkat Venkatsubra
IPC分类号： G06F15/16 , G06F15/173
CPC分类号： H04L45/54 , H04L29/06 , H04L45/00 , H04L45/16 , H04L69/16 , H04L69/161 , H04L69/22
摘要： A method, apparatus, and computer instructions for processing packets in a network layer. A packet is received for transmission in which the packet includes a destination address. A routing entry for the destination address is identified. A determination is made as to whether a flag indicating the packet is to be broadcast has been set in the routing entry. Header information is placed in the packet in which the header information indicates that the packet is a broadcast packet in response to the flag being set.
摘要翻译：一种用于在网络层中处理分组的方法，装置和计算机指令。接收到用于发送的分组，其中分组包括目的地地址。识别目的地址的路由条目。确定在路由条目中是否设置了指示分组的标志是否被广播。标题信息被放置在报头信息指示响应于标志被设置的分组是广播分组的分组中。

16. 发明授权

US07568030B2 Monitoring thread usage to dynamically control a thread pool 失效
标题翻译：监控线程使用情况，以动态控制线程池
公开(公告)号：US07568030B2
公开(公告)日：2009-07-28
申请号：US12027044
申请日：2008-02-06
申请人： Dwip N Banerjee , Kavitha Vittal Murthy Baratakke , Vinit Jain , Venkat Venkatsubra
发明人： Dwip N Banerjee , Kavitha Vittal Murthy Baratakke , Vinit Jain , Venkat Venkatsubra
IPC分类号： G06F13/00
CPC分类号： G06F9/5027 , G06F9/544 , G06F2209/5018 , G06F2209/508
摘要： A method, system, and program for monitoring thread usage to dynamically control a thread pool are provided. An application running on the server system invokes a listener thread on a listener socket for receiving client requests at the server system and passing the client requests to one of multiple threads waiting in a thread pool. Additionally, the application sends an ioctl call in blocking mode on the listener thread. A TCP layer within the server system detects the listener thread in blocking mode and monitors a thread count of at least one of a number of incoming requests waiting to be processed and a number of said plurality of threads remaining idle in the thread pool over a sample period. Once the TCP layer detects a thread usage event, the ioctl call is returned indicating the thread usage event with the thread count, such that a number of threads in the thread pool may be dynamically adjusted to handle the thread count.
摘要翻译：提供了一种用于监视线程使用以动态控制线程池的方法，系统和程序。在服务器系统上运行的应用程序调用侦听器套接字上的侦听器线程，以便在服务器系统上接收客户端请求，并将客户端请求传递给等待线程池的多个线程之一。此外，应用程序在侦听器线程上以阻塞模式发送ioctl调用。服务器系统内的TCP层以阻塞模式检测侦听器线程，并且监视等待被处理的多个传入请求中的至少一个的线程计数，并且线程池中的多个线程在一个样本上保持空闲期。一旦TCP层检测到线程使用事件，将返回指示线程计数的线程使用事件的ioctl调用，以使线程池中的线程数可以被动态调整以处理线程计数。

17. 发明授权

US07562133B2 Method, system and computer program product for delivering data to a storage buffer assigned to an application 失效
标题翻译：用于将数据传送到分配给应用程序的存储缓冲区的方法，系统和计算机程序产品
公开(公告)号：US07562133B2
公开(公告)日：2009-07-14
申请号：US12060650
申请日：2008-04-01
申请人： Vinit Jain , Kavitha Vittal Murthy Baratakke , Jeffrey Paul Messing , Venkat Venkatsubra
发明人： Vinit Jain , Kavitha Vittal Murthy Baratakke , Jeffrey Paul Messing , Venkat Venkatsubra
IPC分类号： G06F15/173
CPC分类号： H04L67/2842 , H04L49/90 , H04L49/9036 , H04L69/16 , H04L69/161 , H04L69/32
摘要： A method, system, and computer program product in a computer-readable medium for delivering data, received from a network, to a storage buffer assigned to an application is proposed. An application designates a communication buffer within a local data processing system for buffering data communicated with an application. The local data processing system reports to a network interface of the local data processing system a memory address of the designated communication buffer, and the data processing system creates a cookie containing the memory address. The data processing system then sends the cookie form the local data processing system to a remote data processing system, such that the remote data processing system may address data directly to the designated communication buffer.
摘要翻译：提出了一种用于将从网络接收的数据传送到分配给应用的存储缓冲器的计算机可读介质中的方法，系统和计算机程序产品。应用程序指定本地数据处理系统内的通信缓冲器，用于缓冲与应用程序通信的数据。本地数据处理系统向本地数据处理系统的网络接口报告指定通信缓冲器的存储器地址，并且数据处理系统创建包含存储器地址的cookie。然后，数据处理系统将本地数据处理系统的cookie发送到远程数据处理系统，使得远程数据处理系统可以直接将数据寻址到指定的通信缓冲器。

18. 发明申请

US20080177829A1 Data Communications Through A Split Connection Proxy 审中-公开
标题翻译：通过拆分连接代理进行数据通信
公开(公告)号：US20080177829A1
公开(公告)日：2008-07-24
申请号：US12055220
申请日：2008-03-25
申请人： Dwip N. Banerjee , Kavitha Vittal Murthy Baratakke , Lilian Sylvia Fernandes , Venkat Venkatsubra
发明人： Dwip N. Banerjee , Kavitha Vittal Murthy Baratakke , Lilian Sylvia Fernandes , Venkat Venkatsubra
IPC分类号： G06F15/16
CPC分类号： H04L63/08 , H04L69/16 , H04L69/165
摘要： Data communications through a split connection proxy in a data communications protocol, including receiving in a proxy from a client, asynchronously with respect to any other messages between the client and the proxy, one or more client messages including client message data items including a connection request for a connection between the client and the proxy, destination connection data identifying a destination server, and a message from the client to the destination server; and sending from the proxy to the server, asynchronously with respect to any messages between the client and the proxy and asynchronously with respect to any other messages between the proxy and the server, one or more proxy messages including proxy message data items including a connection request for a connection between the proxy and the destination server and the message from the client to the destination server.
摘要翻译：通过数据通信协议中的分离连接代理进行的数据通信，包括从客户端接收代理，与客户端和代理之间的任何其他消息异步地，一个或多个客户端消息包括包括连接请求的客户端消息数据项用于客户端和代理之间的连接，标识目的地服务器的目的地连接数据以及从客户端到目的地服务器的消息; 以及相对于所述客户机和所述代理之间的任何消息异步地从所述代理发送到所述服务器，并且相对于所述代理服务器和所述服务器之间的任何其他消息异步地，一个或多个代理消息包括代理消息数据项，包括连接请求用于代理和目标服务器之间的连接以及从客户端到目标服务器的消息。

19. 发明申请

US20120254863A1 AGGREGATING SHARED ETHERNET ADAPTERS IN A VIRTUALIZED ENVIRONMENT 有权
标题翻译：在虚拟化环境中聚合共享的以太网适配器
公开(公告)号：US20120254863A1
公开(公告)日：2012-10-04
申请号：US13076931
申请日：2011-03-31
申请人： Kavitha Vittal Murthy Baratakke , Shaival Jagdishbhai Chokshi , Nikhil Hegde , Vishal Ramachandra Mansur
发明人： Kavitha Vittal Murthy Baratakke , Shaival Jagdishbhai Chokshi , Nikhil Hegde , Vishal Ramachandra Mansur
IPC分类号： G06F9/455
CPC分类号： G06F9/45533 , G06F9/5027 , H04L69/32
摘要： In a method for managing shared Ethernet adapters in a virtualized computer environment, a computer programmed with a hypervisor program receives a first request from a virtual client to transmit data. In response to receiving the first request, the computer programmed with the hypervisor program selects a first active virtual server from a first plurality of concurrently active virtual servers of the virtualized computer environment. The computer programmed with the hypervisor program copies the data from a memory of the virtual client to a trunk adapter of a first shared Ethernet adapter of the selected first active virtual server.
摘要翻译：在用于在虚拟化计算机环境中管理共享以太网适配器的方法中，用管理程序程序编程的计算机从虚拟客户端接收第一请求以发送数据。响应于接收到第一请求，用虚拟机管理程序编程的计算机从虚拟化计算机环境的第一多个同时活动的虚拟服务器中选择第一主动虚拟服务器。使用虚拟机管理程序编程的计算机将数据从虚拟客户端的存储器复制到所选择的第一主动虚拟服务器的第一共享以太网适配器的中继适配器。

20. 发明申请

US20120005671A1 Hypervisor-Based Data Transfer 有权
标题翻译：基于管理程序的数据传输
公开(公告)号：US20120005671A1
公开(公告)日：2012-01-05
申请号：US12827741
申请日：2010-06-30
申请人： Kavitha Vittal Murthy Baratakke , Pramod Achyut Bhandiwad , Nikhil Hegde , Sivakumar Krishnasamy , G. Shantala
发明人： Kavitha Vittal Murthy Baratakke , Pramod Achyut Bhandiwad , Nikhil Hegde , Sivakumar Krishnasamy , G. Shantala
IPC分类号： G06F9/455
CPC分类号： G06F9/45541 , G06F2009/45595
摘要： In a computer system having memory, at least one processor and a physical input-output adapter, the at least one processor generates logical partitions, including local logical partitions and an input-output logical partition. The logical partitions have respective local virtual adapters. The input-output logical partition has a shared virtual adapter configured to communicate with the physical input-output adapter, such that a plurality of the local logical partitions share the physical input-output adapter via the shared virtual adapter. The at least one processor provides communication for ones of the local virtual adapters of the local logical partitions directly with the physical input-output adapter by a hypervisor.
摘要翻译：在具有存储器，至少一个处理器和物理输入 - 输出适配器的计算机系统中，所述至少一个处理器生成包括本地逻辑分区和输入 - 输出逻辑分区的逻辑分区。逻辑分区具有各自的本地虚拟适配器。输入输出逻辑分区具有被配置为与物理输入 - 输出适配器通信的共享虚拟适配器，使得多个本地逻辑分区经由共享虚拟适配器共享物理输入 - 输出适配器。所述至少一个处理器通过管理程序直接与物理输入 - 输出适配器提供本地逻辑分区的本地虚拟适配器中的一个的通信。

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