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1. 发明申请

US20190104458A1 SOFTWARE-DEFINED NETWORKING DATA RE-DIRECTION 审中-公开
公开(公告)号：US20190104458A1
公开(公告)日：2019-04-04
申请号：US16147220
申请日：2018-09-28
申请人： Jonas Svennebring , Niall D. McDonnell , Andrey Chilikin , Andrew Cunningham , Chris MacNamara , Carl-Oscar Montelius , Eliezer Tamir , Bjorn Topel
发明人： Jonas Svennebring , Niall D. McDonnell , Andrey Chilikin , Andrew Cunningham , Chris MacNamara , Carl-Oscar Montelius , Eliezer Tamir , Bjorn Topel
IPC分类号： H04W36/30 , H04W36/32 , H04W76/27 , H04L12/715 , H04W24/10 , H04W36/00
摘要： Aspects of data re-direction are described, which can include software-defined networking (SDN) data re-direction operations. Some aspects include data re-direction operations performed by one or more virtualized network functions. In some aspects, a network router decodes an indication of a handover of a user equipment (UE) from a first end point (EP) to a second EP, based on the indication, the router can update a relocation table including the UE identifier, an identifier of the first EP, and an identifier of the second EP. The router can receive a data packet for the UE, configured for transmission to the first EP, and modify the data packet, based on the relocation table, for rerouting to the second EP. In some aspects, the router can decode handover prediction information, including an indication of a predicted future geographic location of the UE, and update the relocation table based on the handover prediction information.

2. 发明申请

US20150049769A1 SOCKET MANAGEMENT WITH REDUCED LATENCY PACKET PROCESSING 有权
标题翻译：具有减少分组处理的插座管理
公开(公告)号：US20150049769A1
公开(公告)日：2015-02-19
申请号：US13966761
申请日：2013-08-14
申请人： Eliezer Tamir , Eliel Louzoun , Matthew R. Wilcox
发明人： Eliezer Tamir , Eliel Louzoun , Matthew R. Wilcox
IPC分类号： H04L12/875
CPC分类号： H04L47/56 , G06F13/00 , G06F13/24 , G06F13/28 , G06F13/385
摘要： Generally, this disclosure provides systems, methods and computer readable media for management of sockets and device queues for reduced latency packet processing. The method may include maintaining a unique-list comprising entries identifying device queues and an associated unique socket for each of the device queues, the unique socket selected from a plurality of sockets configured to receive packets; busy-polling the device queues on the unique-list; receiving a packet from one of the plurality of sockets; and updating the unique-list in response to detecting that the received packet was provided by an interrupt processing module. The updating may include identifying a device queue associated with the received packet; identifying a socket associated with the received packet; and if the identified device queue is not on one of the entries on the unique-list, creating a new entry on the unique-list, the new entry comprising the identified device queue and the identified socket.
摘要翻译：通常，本公开提供了用于管理套接字和设备队列以用于减少等待时间分组处理的系统，方法和计算机可读介质。该方法可以包括维护包括标识设备队列的条目的唯一列表和用于每个设备队列的相关联的唯一套接字，所述唯一套接字从被配置为接收分组的多个套接字中选择; 在唯一列表上轮询设备队列; 从所述多个插座中的一个接收数据包; 以及响应于检测到所接收的分组是由中断处理模块提供的，更新所述唯一列表。所述更新可以包括识别与所接收的分组相关联的设备队列; 识别与所接收的分组相关联的套接字; 并且如果所识别的设备队列不在唯一列表上的条目之一上，则在唯一列表上创建新条目，新条目包括所识别的设备队列和所识别的套接字。

3. 发明申请

US20140369194A1 FLOW CONTROL WITH REDUCED BUFFER USAGE FOR NETWORK DEVICES 有权
标题翻译：用于网络设备的减少缓冲器的流控制
公开(公告)号：US20140369194A1
公开(公告)日：2014-12-18
申请号：US13915857
申请日：2013-06-12
申请人： Ben-zion Friedman , Eliezer Tamir
发明人： Ben-zion Friedman , Eliezer Tamir
IPC分类号： H04L12/823
CPC分类号： H04L47/32 , H04L47/245 , H04L47/39
摘要： Methods and apparatus for implementing flow control with reduced buffer usage for network devices. In response to detection of flow control events, transmission of a data unit or segment such as an Ethernet frame is preempted in favor of a flow control message, resulting in aborting transmission of the frame. Data corresponding to the entirety of the frame is buffered at the transmitting station until the frame has been transmitted (or after a delay), enabling retransmission of the aborted frame. Preemption of frames in favor of flow control messages results in earlier responses to flow control events, enabling the size of buffers to be reduced.
摘要翻译：用于实现流量控制的方法和装置，减少网络设备的缓冲区使用。响应于流量控制事件的检测，诸如以太网帧之类的数据单元或段的传输被抢占有利于流控制消息，导致中止帧的传输。对应于整个帧的数据在发送站处被缓冲，直到该帧已经被发送（或者在一个延迟之后），使得重新发送中止的帧。支持流控制消息的帧的抢占导致对流控制事件的早期响应，使得能够减少缓冲器的大小。

4. 发明申请

US20140233583A1 PACKET PROCESSING WITH REDUCED LATENCY 审中-公开
标题翻译：具有减少延迟的分组处理
公开(公告)号：US20140233583A1
公开(公告)日：2014-08-21
申请号：US13773255
申请日：2013-02-21
申请人： ELIEZER TAMIR , JESSE C. BRANDEBURG , ANIL VASUDEVAN
发明人： ELIEZER TAMIR , JESSE C. BRANDEBURG , ANIL VASUDEVAN
IPC分类号： H04L12/56
CPC分类号： H04L49/90 , G06F9/327 , G06F9/4498 , G06F9/4812 , G06F9/526 , H04L49/901
摘要： Generally, this disclosure provides devices, methods and computer readable media for packet processing with reduced latency. The device may include a data queue to store data descriptors associated with data packets, the data packets to be transferred between a network and a driver circuit. The device may also include an interrupt generation circuit to generate an interrupt to the driver circuit. The interrupt may be generated in response to a combination of an expiration of a delay timer and a non-empty condition of the data queue. The device may further include an interrupt delay register to enable the driver circuit to reset the delay timer, the reset postponing the interrupt generation.
摘要翻译：通常，本公开提供用于具有减少的等待时间的分组处理的设备，方法和计算机可读介质。该设备可以包括数据队列，以存储与数据分组相关联的数据描述符，要在网络和驱动器电路之间传送的数据分组。该装置还可以包括用于向驱动器电路产生中断的中断产生电路。可以响应于延迟定时器的到期和数据队列的非空条件的组合而产生中断。该装置还可以包括一个中断延迟寄存器，使得驱动电路能够复位延迟定时器，该复位推迟中断产生。

5. 发明申请

US20120254480A1 FACILITATING, AT LEAST IN PART, BY CIRCUITRY, ACCESSING OF AT LEAST ONE CONTROLLER COMMAND INTERFACE 有权
标题翻译：至少通过电路进行，至少进入一个控制器命令界面
公开(公告)号：US20120254480A1
公开(公告)日：2012-10-04
申请号：US13077725
申请日：2011-03-31
申请人： Eliezer Tamir , Ben-Zion Friedman , Theodore L. Willke , Eliel Louzoun , Matthew R. Wilcox , Donald E. Wood , Steven B. McGowan , Robert O. Sharp
发明人： Eliezer Tamir , Ben-Zion Friedman , Theodore L. Willke , Eliel Louzoun , Matthew R. Wilcox , Donald E. Wood , Steven B. McGowan , Robert O. Sharp
IPC分类号： G06F13/28
CPC分类号： G06F15/17331 , G06F13/385 , G06F15/167 , H04L67/1097
摘要： An embodiment may include circuitry to facilitate, at least in part, a first network interface controller (NIC) in a client to be capable of accessing, via a second NIC in a server that is remote from the client and in a manner that is independent of an operating system environment in the server, at least one command interface of another controller of the server. The command interface may include at least one controller command queue. Such accessing may include writing at least one queue element to the at least one command queue to command the another controller to perform at least one operation associated with the another controller. The another controller may perform the at least one operation in response, at least in part, to the at least one queue element. Many alternatives, variations, and modifications are possible.
摘要翻译：一个实施例可以包括至少部分地促进客户端中的第一网络接口控制器（NIC）的电路，以便能够通过远离客户端的服务器中的第二NIC以独立的方式访问的服务器中的操作系统环境，服务器的另一个控制器的至少一个命令接口。命令接口可以包括至少一个控制器命令队列。这种访问可以包括将至少一个队列元素写入至少一个命令队列以命令另一控制器执行与另一个控制器相关联的至少一个操作。另一个控制器可以至少部分地响应于至少一个队列元素来执行至少一个操作。许多替代方案，变化和修改是可能的。

6. 发明申请

US20080270599A1 METHOD AND SYSTEM FOR CONFIGURING A PLURALITY OF NETWORK INTERFACES THAT SHARE A PHYSICAL INTERFACE 有权
标题翻译：用于配置分布物理接口的多个网络接口的方法和系统
公开(公告)号：US20080270599A1
公开(公告)日：2008-10-30
申请号：US12111485
申请日：2008-04-29
申请人： Eliezer Tamir , Uri Tal , Shay Mizrachi
发明人： Eliezer Tamir , Uri Tal , Shay Mizrachi
IPC分类号： G06F15/173
CPC分类号： H04L41/0803 , G06F11/2005
摘要： Certain aspects of a method and system for configuring a plurality of network interfaces that share a physical interface (PHY) may include a system comprising one or more physical network interface controllers (NICs) and two or more virtual NICs. One or more drivers associated with each of the virtual NICs that share one or more Ethernet ports associated with the physical NICs may be synchronized based on controlling one or more parameters associated with one or more Ethernet ports. One or more wake on LAN (WoL) patterns associated with each of the drivers may be detected at one or more Ethernet ports. A wake up signal may be communicated to one or more drivers associated with the detected WoL patterns. One of the drivers may be appointed to be a port master driver. If a failure of the appointed port master driver is detected, another driver may be appointed to be the port master driver.
摘要翻译：用于配置共享物理接口（PHY）的多个网络接口的方法和系统的某些方面可以包括包括一个或多个物理网络接口控制器（NIC）和两个或更多个虚拟NIC的系统。可以基于控制与一个或多个以太网端口相关联的一个或多个参数来同步与共享与物理NIC相关联的一个或多个以太网端口的每个虚拟NIC相关联的一个或多个驱动器。可以在一个或多个以太网端口处检测与每个驱动器相关联的一个或多个LAN唤醒（WoL）模式。唤醒信号可以被传送到与检测到的WoL模式相关联的一个或多个驱动器。其中一名司机可能被任命为港口主机司机。如果检测到指定的端口主驱动程序发生故障，则可以指定另一个驱动程序作为端口主驱动程序。

7. 发明申请

US20070014246A1 Method and system for transparent TCP offload with per flow estimation of a far end transmit window 审中-公开
标题翻译：用于远端传输窗口的每流量估计的透明TCP卸载的方法和系统
公开(公告)号：US20070014246A1
公开(公告)日：2007-01-18
申请号：US11489393
申请日：2006-07-18
申请人： Eliezer Aloni , Rafi Shalom , Shay Mizrachi , Dov Hirshfeld , Aviv Greenberg , Assaf Grunfeld , Eliezer Tamir , Guy Corem , Ori Hanegbi
发明人： Eliezer Aloni , Rafi Shalom , Shay Mizrachi , Dov Hirshfeld , Aviv Greenberg , Assaf Grunfeld , Eliezer Tamir , Guy Corem , Ori Hanegbi
IPC分类号： H04J1/16 , H04L12/28
CPC分类号： H04L69/16 , G06F13/128 , H04L47/10 , H04L47/193 , H04L47/2441 , H04L47/27 , H04L47/36 , H04L47/41 , H04L49/90 , H04L49/9063 , H04L49/9094 , H04L69/12 , H04L69/161 , H04L69/163 , H04L69/166 , Y02D10/14 , Y02D50/30
摘要： Certain aspects of a method and system for transparent transmission control protocol (TCP) offload with per flow estimation of far end transmit window are disclosed. Aspects of a method may include storing at a network interface card (NIC) processor state information for a received TCP segment and state information for transmitted TCP segments for a determined network flow without transferring state information for the received TCP segment to a host system communicatively coupled to the NIC. The generation of a new TCP segment comprising the collected received TCP segments may be controlled based on the occurrence of a termination event and a transmit window size. The period of time for aggregation of received TCP segments may be calculated based on the sequence numbers of the next expected TCP segment and the next received acknowledgement packet.
摘要翻译：公开了一种透明传输控制协议（TCP）卸载与远端传输窗口每流量估计的方法和系统的某些方面。方法的方面可以包括在网络接口卡（NIC）处理状态信息中存储用于所接收的TCP分段的状态信息和用于所确定的网络流的所发送的TCP分段的状态信息，而不将所接收的TCP分段的状态信息传送到通信耦合的主机系统到NIC。可以基于终止事件和发送窗口大小的发生来控制包括收集的所接收的TCP段的新TCP段的生成。可以基于下一个预期TCP段和下一个接收的确认分组的序列号来计算接收的TCP段的聚合的时间段。

8. 发明申请

US20070014245A1 Method and system for transparent TCP offload with best effort direct placement of incoming traffic 失效
标题翻译：透明TCP卸载的方法和系统，尽力而为直接放置入站流量
公开(公告)号：US20070014245A1
公开(公告)日：2007-01-18
申请号：US11489389
申请日：2006-07-18
申请人： Eliezer Aloni , Rafi Shalom , Shay Mizrachi , Dov Hirshfeld , Aviv Greenberg , Assaf Grunfeld , Eliezer Tamir , Guy Corem , Ori Hanegbi
发明人： Eliezer Aloni , Rafi Shalom , Shay Mizrachi , Dov Hirshfeld , Aviv Greenberg , Assaf Grunfeld , Eliezer Tamir , Guy Corem , Ori Hanegbi
IPC分类号： H04J1/16 , H04L12/28
CPC分类号： H04L69/16 , G06F13/128 , H04L47/10 , H04L47/193 , H04L47/2441 , H04L47/27 , H04L47/36 , H04L47/41 , H04L49/90 , H04L49/9063 , H04L49/9094 , H04L69/12 , H04L69/161 , H04L69/163 , H04L69/166 , Y02D10/14 , Y02D50/30
摘要： Certain aspects of a method and system for transparent transmission control protocol (TCP) offload with best effort direct placement of incoming traffic are disclosed. Aspects of a method may include collecting TCP segments in a network interface card (NIC) processor without transferring state information to a host processor every time a TCP segment is received. When an event occurs that terminates the collection of TCP segments, the NIC processor may generate a new aggregated TCP segment based on the collected TCP segments. If a placement sequence number corresponding to the generated new TCP segment for the particular network flow is received before the TCP segment is received, the generated new TCP segment may be transferred directly from the memory to the user buffer instead of transferring the data to a kernel buffer, which would require further copy by the host stack from kernel buffer to user buffer.
摘要翻译：公开了透明传输控制协议（TCP）卸载的方法和系统的某些方面，尽力而为直接布置入局业务。方法的各方面可以包括在网络接口卡（NIC）处理器中收集TCP片段，而每当接收到TCP片段时都不向主处理器传送状态信息。当发生终止TCP段的收集的事件时，NIC处理器可以基于收集的TCP段生成新的聚合TCP段。如果在接收到TCP段之前接收到对应于特定网络流的生成的新TCP段的布置序列号，则所生成的新TCP段可以直接从存储器传送到用户缓冲区，而不是将数据传送到内核缓冲区，这将需要主机栈从内核缓冲区进一步复制到用户缓冲区。

9. 发明申请

US20140153574A1 NOTIFICATION BY NETWORK ELEMENT OF PACKET DROPS 有权
标题翻译：网络元件的通知
公开(公告)号：US20140153574A1
公开(公告)日：2014-06-05
申请号：US13705491
申请日：2012-12-05
申请人： Eliel Louzoun , Radia Perlman , Ben-Zion Friedman , Ygdal Naouri , Eliezer Tamir
发明人： Eliel Louzoun , Radia Perlman , Ben-Zion Friedman , Ygdal Naouri , Eliezer Tamir
IPC分类号： H04L1/16
CPC分类号： H04L1/1657 , H04L1/188 , H04L2001/0092
摘要： Methods and apparatus for implementing notification by network elements of packet drops. In response to determining a packet is to be dropped, a network element such as a switch or router determines the source of the packet and returns a dropped packet notification message to the source. Upon receipt of notification, networking software or embedded hardware on the source causes the dropped packet to be retransmitted. The notification may also be sent from the network element to the destination computer to inform networking software or embedded logic implemented by the destination computer that the packet was dropped and notification to the source has been sent, thus alleviating the destination from needing to send a Selective ACKnowledge (SACK) message to inform the source the packet was not delivered. (Too narrow)
摘要翻译：用于通过分组丢弃的网元实现通知的方法和装置。响应于确定要丢弃分组，诸如交换机或路由器的网络元件确定分组的源，并将丢弃的分组通知消息返回给源。收到通知后，源上的网络软件或嵌入式硬件会导致丢弃的数据包被重新发送。该通知还可以从网络元件发送到目的地计算机，以通知目的地计算机实现的网络软件或嵌入式逻辑，该分组被丢弃并且向源的通知已经被发送，从而减轻目的地需要发送选择性确认（SACK）消息以通知源未传送数据包。（太窄）

10. 发明申请

US20140136646A1 FACILITATING, AT LEAST IN PART, BY CIRCUITRY, ACCESSING OF AT LEAST ONE CONTROLLER COMMAND INTERFACE 有权
标题翻译：至少通过电路进行，至少进入一个控制器命令界面
公开(公告)号：US20140136646A1
公开(公告)日：2014-05-15
申请号：US14162468
申请日：2014-01-23
申请人： Eliezer Tamir , Ben-Zion Friedman , Theodore L. Willke , Eliel Louzoun , Matthew R. Wilcox , Donald E. Wood , Steven B. McGowan , Robert O. Sharp
发明人： Eliezer Tamir , Ben-Zion Friedman , Theodore L. Willke , Eliel Louzoun , Matthew R. Wilcox , Donald E. Wood , Steven B. McGowan , Robert O. Sharp
IPC分类号： G06F15/167
CPC分类号： G06F15/17331 , G06F13/385 , G06F15/167 , H04L67/1097
摘要： An embodiment may include circuitry to facilitate, at least in part, a first network interface controller (NIC) in a client to be capable of accessing, via a second NIC in a server that is remote from the client and in a manner that is independent of an operating system environment in the server, at least one command interface of another controller of the server. The command interface may include at least one controller command queue. Such accessing may include writing at least one queue element to the at least one command queue to command the another controller to perform at least one operation associated with the another controller. The another controller may perform the at least one operation in response, at least in part, to the at least one queue element. Many alternatives, variations, and modifications are possible.
摘要翻译：一个实施例可以包括至少部分地促进客户端中的第一网络接口控制器（NIC）的电路，以便能够通过远离客户端的服务器中的第二NIC以独立的方式访问的服务器中的操作系统环境，服务器的另一个控制器的至少一个命令接口。命令接口可以包括至少一个控制器命令队列。这种访问可以包括将至少一个队列元素写入至少一个命令队列以命令另一控制器执行与另一个控制器相关联的至少一个操作。另一个控制器可以至少部分地响应于至少一个队列元素来执行至少一个操作。许多替代方案，变化和修改是可能的。

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