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1. 发明申请

US20060013258A1 System, apparatus and method of improving network data traffic between interconnected high-speed switches 审中-公开
标题翻译：提高互连高速交换机之间网络数据流量的系统，设备和方法
公开(公告)号：US20060013258A1
公开(公告)日：2006-01-19
申请号：US10889784
申请日：2004-07-13
申请人： Dwip Banerjee , Kavitha Baratakke , Lilian Fernandes , Venkat Venkatsubra
发明人： Dwip Banerjee , Kavitha Baratakke , Lilian Fernandes , Venkat Venkatsubra
IPC分类号： H04J3/24
CPC分类号： H04L49/3072
摘要： A system, apparatus and method of improving network data traffic between interconnected high-speed switches are provided. As is well known, when a packet of data is longer than a path maximum transmission unit (PMTU), the packet will be fragmented. In the case of the invention, the packet is fragmented by a transmitting router connected to a high-speed switch. When a receiving router, which is also connected to an high-speed switch, begins to receive the fragments, it will check to see whether its sub-network may handle data of a substantially longer length than the length of the fragments. If so, the receiving router will collect the fragments, reassemble them into the original packet and transmit the reassembled packet to its destination.
摘要翻译：提供了一种改善互连的高速交换机之间的网络数据流量的系统，装置和方法。众所周知，当数据分组长于路径最大传输单元（PMTU）时，分组将被分段。在本发明的情况下，分组被连接到高速交换机的发送路由器分段。当也连接到高速交换机的接收路由器开始接收分片时，它将检查其子网络是否可以处理比片段长度长得多的数据。如果是这样，接收路由器将收集分片，将它们重组成原始分组，并将重新组装的分组传送到目的地。

2. 发明申请

US20050086390A1 Efficient packet desegmentation on a network adapter 审中-公开
标题翻译：网络适配器上的高效数据包解密
公开(公告)号：US20050086390A1
公开(公告)日：2005-04-21
申请号：US10687235
申请日：2003-10-16
申请人： Dwip Banerjee , Kavitha Baratakke , Vinit Jain , Venkat Venkatsubra
发明人： Dwip Banerjee , Kavitha Baratakke , Vinit Jain , Venkat Venkatsubra
IPC分类号： G06F13/42 , G06F15/16 , H04L29/06
CPC分类号： H04L69/16 , H04L69/161 , H04L69/22
摘要： A method, system, and program for efficient packet desegmentation on a network adapter are provided. Multiple data packet segments received at a network adapter from a single connection are buffered at the network adapter. The single connection is identified by addresses and ports extracted from the header of each data packet segment. Responsive to detecting a buffering release condition, the data packet segments are released from the network adapter as a desegmented group to a network stack, such that the data packets segments received for the single connection are efficiently passed to the network stack together. In particular, the single connection is a TCP connection identified by a four-tuple of source and destination addresses and ports extracted from each TCP header of each of said plurality of data packet segments.
摘要翻译：提供了一种用于在网络适配器上实现有效的分组分段的方法，系统和程序。在网络适配器处从单个连接接收的多个数据分组段被缓冲。单个连接由从每个数据分组段的报头提取的地址和端口来标识。响应于检测缓冲释放条件，将数据分组片段作为被分组的组从网络适配器释放到网络堆栈，使得为单个连接接收的数据分组片段被有效地传递到网络堆栈。特别地，单个连接是由从所述多个数据分组段中的每一个的每个TCP报头提取的源和目的地地址和端口的四元组标识的TCP连接。

3. 发明申请

US20050073981A1 mSCTP based handover of a mobile device between non-intersecting networks 有权
标题翻译：基于mSCTP的移动设备在不相交网络之间切换
公开(公告)号：US20050073981A1
公开(公告)日：2005-04-07
申请号：US10677656
申请日：2003-10-02
申请人： Dwip Banerjee , Kavitha Baratakke , Vasu Vallabhaneni , Venkat Venkatsubra
发明人： Dwip Banerjee , Kavitha Baratakke , Vasu Vallabhaneni , Venkat Venkatsubra
IPC分类号： H04W36/00 , H04W80/06 , H04W88/14 , H04Q7/24
CPC分类号： H04W36/0011 , H04W80/06 , H04W88/14
摘要： Responsive to detecting a need for a mobile device to transfer out of a first network, requests are sent from the mobile device to a communication endpoint in mSCTP. The first request is to stop transmissions to a first address of said mobile device. The second request is to add an intermediary address of a mobility support service designated for receiving any communications already in transmission when the first request is sent. The communication link for the mobile device is then transitioned from the current address at the first network to a second address at a second network. The first network and the second network are non-intersecting networks. The mobile device then indicates to the mobility support service that the handover from the first network to the second network is complete. The mobility support service responds to the completion by sending a third request in mSCTP to the communication endpoint to continue communication with the mobile client at the second address.
摘要翻译：响应于检测移动设备从第一网络传出的需求，请求从移动设备发送到mSCTP中的通信端点。第一个请求是停止对所述移动设备的第一地址的传输。第二个请求是在发送第一个请求时添加指定用于接收已经在传输中的任何通信的移动性支持服务的中间地址。然后，用于移动设备的通信链路从第一网络的当前地址转换到第二网络处的第二地址。第一个网络和第二个网络是不相交的网络。然后，移动设备向移动性支持服务指示从第一网络到第二网络的切换是完整的。移动支持服务通过在mSCTP发送第三请求到通信端点来响应完成，以继续与第二地址处的移动客户端通信。

4. 发明申请

US20050038899A1 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：US20050038899A1
公开(公告)日：2005-02-17
申请号：US10640847
申请日：2003-08-14
申请人： Dwip Banerjee , Kavitha Baratakke , Ketan Pancholi , Venkat Venkatsubra
发明人： Dwip Banerjee , Kavitha Baratakke , Ketan Pancholi , Venkat Venkatsubra
IPC分类号： H04L29/06 , 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，从而对传输层进行编程，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。

5. 发明申请

US20050213507A1 Dynamically provisioning computer system resources 审中-公开
标题翻译：动态配置计算机系统资源
公开(公告)号：US20050213507A1
公开(公告)日：2005-09-29
申请号：US10809591
申请日：2004-03-25
申请人： Dwip Banerjee , Kavitha Baratakke , Vasu Vallabhaneni , Venkat Venkatsubra
发明人： Dwip Banerjee , Kavitha Baratakke , Vasu Vallabhaneni , Venkat Venkatsubra
IPC分类号： H04L1/00 , H04L12/26 , H04L12/56
CPC分类号： H04L49/9078 , H04L41/0806 , H04L43/08 , H04L43/0841 , H04L49/90
摘要： Methods, systems, and products are disclosed for dynamically provisioning server resources. More particularly, methods, systems, and products are disclosed for dynamically provisioning computer system resources that include monitoring a connection performance parameter of a data communications port operating in a data communications protocol having a connection backlog queue having a connection backlog queue size; and changing the connection backlog queue size in dependence upon the monitored connection performance parameter without interrupting the operation of the data communications port and without user intervention. In typical embodiments of the present invention, monitoring a connection performance parameter includes receiving a connection request and determining that the connection backlog queue is full, and changing the connection backlog queue size in dependence upon the monitored connection performance parameter includes increasing the connection backlog queue size.
摘要翻译：公开了用于动态配置服务器资源的方法，系统和产品。更具体地，公开了用于动态提供计算机系统资源的方法，系统和产品，其包括监视在具有连接积压队列大小的连接积压队列的数据通信协议中操作的数据通信端口的连接性能参数; 并且根据监视的连接性能参数来改变连接积压队列大小，而不中断数据通信端口的操作并且不用户干预。在本发明的典型实施例中，监视连接性能参数包括接收连接请求并确定连接积压队列已满，以及根据所监视的连接性能参数改变连接积压队列大小，包括增加连接积压队列大小。

6. 发明申请

US20050086359A1 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：US20050086359A1
公开(公告)日：2005-04-21
申请号：US10687236
申请日：2003-10-16
申请人： Dwip Banerjee , Kavitha Baratakke , Vinit Jain , Venkat Venkatsubra
发明人： Dwip Banerjee , Kavitha Baratakke , Vinit Jain , Venkat Venkatsubra
IPC分类号： G06F9/46 , G06F9/50 , G06F15/16
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。

7. 发明申请

US20060031571A1 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：US20060031571A1
公开(公告)日：2006-02-09
申请号：US10834714
申请日：2004-04-29
申请人： Dwip Banerjee , Kavitha Vittal Baratakke , Lilian Fernandes , Venkat Venkatsubra
发明人： Dwip Banerjee , Kavitha Vittal Baratakke , Lilian Fernandes , Venkat Venkatsubra
IPC分类号： G06F15/173
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。

8. 发明申请

US20050165932A1 Redirecting client connection requests among sockets providing a same service 审中-公开
标题翻译：在提供相同服务的套接字之间重定向客户端连接请求
公开(公告)号：US20050165932A1
公开(公告)日：2005-07-28
申请号：US10763100
申请日：2004-01-22
申请人： Dwip Banerjee , Lilian Fernandes , Vasu Vallabhaneni , Venkat Venkatsubra
发明人： Dwip Banerjee , Lilian Fernandes , Vasu Vallabhaneni , Venkat Venkatsubra
IPC分类号： G06F9/46 , G06F15/173 , H04L29/06 , H04L29/08
CPC分类号： G06F9/544 , H04L67/2814 , H04L69/14 , H04L69/16 , H04L69/161 , H04L69/162 , H04L69/30
摘要： A method, system, and program for redirecting client connection requests among sockets providing a same service are provided. An application requests multiple sockets from a kernel. In addition, the application generates a socket call option to bind the sockets to a particular port number and passes a list of the sockets to the kernel, where the list indicates that the sockets will all provide access to server systems providing the same service. In response, the kernel sets up the sockets, bound to the same port, and set to reference one another. Then, when a connection request is received for a first socket in the list with a queue that is full, the kernel redirects the connection request to a second socket in the list with available queue space. Thus, rather than drop the connection request from the first socket when it lacks available queue space, the connection request is redirected to another socket providing access to the same service.
摘要翻译：提供了一种用于在提供相同服务的套接字之间重定向客户端连接请求的方法，系统和程序。应用程序从内核请求多个套接字。此外，应用程序还会生成套接字调用选项，将套接字绑定到特定端口号，并将套接字列表传递给内核，其中列表指示套接字将提供对提供相同服务的服务器系统的访问。作为响应，内核设置了绑定到相同端口的套接字，并设置为引用彼此。然后，当对于队列已满的列表中的第一个套接字接收到连接请求时，内核将连接请求重定向到列表中具有可用队列空间的第二个套接字。因此，当连接请求缺少可用的队列空间时，而不是从第一个套接字中删除连接请求，则将连接请求重定向到提供对同一服务的访问的另一个套接字。

9. 发明申请

US20060155563A1 Method, system and article for advance lease negotiation in DHCP 审中-公开
标题翻译：在DHCP中预先租赁协商的方法，系统和文章
公开(公告)号：US20060155563A1
公开(公告)日：2006-07-13
申请号：US11034274
申请日：2005-01-12
申请人： Dwip Banerjee , Lilian Fernandes , Vasu Vallabhaneni , Vinit Jain
发明人： Dwip Banerjee , Lilian Fernandes , Vasu Vallabhaneni , Vinit Jain
IPC分类号： G06Q99/00
CPC分类号： H04L29/12301 , H04L61/2015 , H04L61/2076
摘要： DHCP lease negotiation is performed in advance of a specified time when the IP address is needed. The client sends a DHCP discover message with an advance lease option indicating a future time when an IP address is needed. The DHCP server reserves an IP address available at the requested time for the requesting client and sends a DHCP acknowledgment of the reservation. Thereafter, the client sends a DHCP discover message requesting the reserved IP address, and the DHCP server assigns it to the client at the scheduled time.
摘要翻译：在需要IP地址的指定时间之前执行DHCP租约协商。客户端发送具有预先租赁选项的DHCP发现消息，指示需要IP地址的未来时间。 DHCP服务器在请求的客户端请求的时间保留可用的IP地址，并发送预留的DHCP确认。此后，客户端发送请求保留的IP地址的DHCP发现消息，DHCP服务器在预定的时间将其分配给客户端。

10. 发明申请

US20060045131A1 Method, system, and computer program product for remote storage and discovery of a path maximum transmission unit value on a network 失效
标题翻译：用于远程存储和发现网络上路径最大传输单元值的方法，系统和计算机程序产品
公开(公告)号：US20060045131A1
公开(公告)日：2006-03-02
申请号：US10926584
申请日：2004-08-26
申请人： Ketan Pancholi , Dwip Banerjee , Deanna Quigg Brown , Venkat Venkatsubra
发明人： Ketan Pancholi , Dwip Banerjee , Deanna Quigg Brown , Venkat Venkatsubra
IPC分类号： H04J3/22
CPC分类号： H04L69/166 , H04L67/32
摘要： A method, system, and computer program product for optimizing a message size for communication in a communication network are disclosed. The method comprises identifying a connection to a target, sending to a path maximum transmission unit value server (which is not the target) a request for a path maximum transmission unit value for the connection to the target, and, in response to receiving the path maximum transmission unit value for the connection to the target from the server, optimizing a communication by sending to the target a packet having a size in accordance with the value.
摘要翻译：公开了一种用于优化通信网络中的通信的消息大小的方法，系统和计算机程序产品。该方法包括识别与目标的连接，向路径发送最大传输单元值服务器（其不是目标）对用于到目标的连接的路径最大传输单元值的请求，并且响应于接收到路径用于从服务器到目标的连接的最大传输单元值，通过向目标发送具有根据该值的大小的分组来优化通信。

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