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1. 发明授权

US08159957B2 Hardware time stamping and synchronized data transmission 有权
标题翻译：硬件时间戳和同步数据传输
公开(公告)号：US08159957B2
公开(公告)日：2012-04-17
申请号：US12488405
申请日：2009-06-19
申请人： Clifford Hannel , Jan Olderdissen , Doug Schafer , Roger Standridge
发明人： Clifford Hannel , Jan Olderdissen , Doug Schafer , Roger Standridge
IPC分类号： H04J3/06
CPC分类号： H04J3/0697 , H04L43/0858 , H04L43/0864 , H04L43/087 , H04L43/106 , H04L43/50
摘要： Hardware time stamping and synchronized data transmission disclosed. In a method, a reference time stamp and a local time stamp are obtained. A synchronization offset is prepared based on the local time stamp and the reference time stamp. Instructions are received to send a plurality of data units at a specified time. The plurality of data units are sent at the specified time based on referring to a local time obtained from a local clock and the synchronization offset to simultaneously send a packet storm comprising the plurality of data units. The method may be achieved by a network communications unit on a plurality of network cards included in a network testing system.
摘要翻译：披露了硬件时间戳和同步数据传输。在一种方法中，获得参考时间戳和本地时间戳。基于本地时间戳和参考时间戳准备同步偏移。接收指令以在指定时间发送多个数据单元。基于参考从本地时钟获得的本地时间和同步偏移来在指定时间发送多个数据单元以同时发送包括多个数据单元的分组风暴。该方法可以通过网络通信单元在包括在网络测试系统中的多个网卡上实现。

2. 发明授权

US08073966B2 Virtual interface 有权
公开(公告)号：US08073966B2
公开(公告)日：2011-12-06
申请号：US12639879
申请日：2009-12-16
申请人： Clifford Hannel , Marcel F. Desdier , Jan R. A. Olderdissen
发明人： Clifford Hannel , Marcel F. Desdier , Jan R. A. Olderdissen
IPC分类号： G06F15/16
CPC分类号： H04L43/50 , H04L67/08 , H04L67/1002
摘要： A virtual interface is disclosed. A method may include allowing upper layer software to transparently access the capabilities of a network device via a virtual interface as if the network device were in a computing device in which the upper layer software is resident. A communication channel may be established with a computing device. A virtual interface to a network device in the computing device is created. Incoming data units directed to the network device are received via the communication channel, and are made available via the virtual interface. Outgoing data units directed to the virtual interface may be forwarded to the network device via the communication channel. The methods may be implemented on computing devices that include network cards, including computers and/or network testing systems.

3. 发明授权

US07840664B2 Automated characterization of network traffic 有权
标题翻译：自动表征网络流量
公开(公告)号：US07840664B2
公开(公告)日：2010-11-23
申请号：US10651427
申请日：2003-08-29
申请人： Diego Dugatkin , Clifford Hannel
发明人： Diego Dugatkin , Clifford Hannel
IPC分类号： G06F15/173
CPC分类号： H04L41/142 , H04L41/00 , H04L41/145 , H04L43/00 , H04L43/028 , H04L43/12 , H04L43/18 , H04L43/50
摘要： Automated characterization of network traffic. A method may include compiling and/or receiving network traffic data based on the network traffic, preparing a network traffic characterization based on the network traffic data, and generating outgoing network traffic scripts based on the network traffic characterization. A method may also include capturing network traffic and generating test network traffic based on the scripts. A system on which the method may be executed may include one or more chassis and/or computing devices, each having one or more network cards. The chassis and/or computing devices may be connected to one or more networks and to one another. The networks may include a production network and a test network. A system may include a data collector, a characterization engine, and a script generator, and may also include a traffic generator.
摘要翻译：自动表征网络流量。一种方法可以包括基于网络流量来编译和/或接收网络流量数据，基于网络流量数据准备网络流量表征，以及基于网络流量表征产生输出网络流量脚本。方法还可以包括捕获网络流量并基于脚本生成测试网络流量。可以执行该方法的系统可以包括一个或多个底盘和/或计算设备，每个具有一个或多个网卡。机箱和/或计算设备可以连接到一个或多个网络并且彼此连接。网络可以包括生产网络和测试网络。系统可以包括数据收集器，表征引擎和脚本生成器，并且还可以包括业务生成器。

4. 发明申请

US20100095019A1 Virtual Interface 有权
标题翻译：虚拟接口
公开(公告)号：US20100095019A1
公开(公告)日：2010-04-15
申请号：US12639879
申请日：2009-12-16
申请人： Clifford Hannel , Marcel F. Desdier , Jan R. A. Olderdissen
发明人： Clifford Hannel , Marcel F. Desdier , Jan R. A. Olderdissen
IPC分类号： G06F3/01 , G06F15/177 , G06F15/16
CPC分类号： H04L43/50 , H04L67/08 , H04L67/1002
摘要： A virtual interface is disclosed. A method may include allowing upper layer software to transparently access the capabilities of a network device via a virtual interface as if the network device were in a computing device in which the upper layer software is resident. A communication channel may be established with a computing device. A virtual interface to a network device in the computing device is created. Incoming data units directed to the network device are received via the communication channel, and are made available via the virtual interface. Outgoing data units directed to the virtual interface may be forwarded to the network device via the communication channel. The methods may be implemented on computing devices that include network cards, including computers and/or network testing systems.
摘要翻译：公开了虚拟接口。一种方法可以包括允许上层软件经由虚拟接口透明地访问网络设备的能力，就好像网络设备在上层软件所驻留的计算设备中一样。可以与计算设备建立通信信道。创建到计算设备中的网络设备的虚拟接口。通过通信信道接收定向到网络设备的传入数据单元，并且经由虚拟接口可用。指向虚拟接口的出局数据单元可以经由通信信道被转发到网络设备。所述方法可以在包括网卡（包括计算机和/或网络测试系统）的计算设备上实现。

5. 发明授权

US08078736B1 Virtual interface 有权
公开(公告)号：US08078736B1
公开(公告)日：2011-12-13
申请号：US13196708
申请日：2011-08-02
申请人： Clifford Hannel , Marcel F. Desdier , Jan Olderdissen
发明人： Clifford Hannel , Marcel F. Desdier , Jan Olderdissen
IPC分类号： G06F15/167
CPC分类号： H04L43/50 , H04L67/08 , H04L67/1002
摘要： A virtual interface is disclosed. A method may include allowing upper layer software to transparently access the capabilities of a network device via a virtual interface as if the network device were in a computing device in which the upper layer software is resident. A communication channel may be established with a computing device. A virtual interface to a network device in the computing device is created. Incoming data units directed to the network device are received via the communication channel, and are made available via the virtual interface. Outgoing data units directed to the virtual interface may be forwarded to the network device via the communication channel. The methods may be implemented on computing devices that include network cards, including computers and/or network testing systems.

6. 发明授权

US08005958B2 Virtual interface 有权
标题翻译：虚拟界面
公开(公告)号：US08005958B2
公开(公告)日：2011-08-23
申请号：US10608491
申请日：2003-06-27
申请人： Clifford Hannel , Marcel F. Desdier , Jan R. A. Olderdissen
发明人： Clifford Hannel , Marcel F. Desdier , Jan R. A. Olderdissen
IPC分类号： G06F15/167
CPC分类号： H04L43/50 , H04L67/08 , H04L67/1002
摘要： A virtual interface is disclosed. A method may include allowing upper layer software to transparently access the capabilities of a network device via a virtual interface as if the network device were in a computing device in which the upper layer software is resident. A communication channel may be established with a computing device. A virtual interface to a network device in the computing device is created. Incoming data units directed to the network device are received via the communication channel, and are made available via the virtual interface. Outgoing data units directed to the virtual interface may be forwarded to the network device via the communication channel. The methods may be implemented on computing devices that include network cards, including computers and/or network testing systems.
摘要翻译：公开了虚拟接口。一种方法可以包括允许上层软件经由虚拟接口透明地访问网络设备的能力，就好像网络设备在上层软件所在的计算设备中一样。可以与计算设备建立通信信道。创建到计算设备中的网络设备的虚拟接口。通过通信信道接收定向到网络设备的传入数据单元，并且经由虚拟接口可用。指向虚拟接口的出局数据单元可以经由通信信道被转发到网络设备。所述方法可以在包括网卡（包括计算机和/或网络测试系统）的计算设备上实现。

7. 发明申请

US20070121516A1 Method For Testing Stateful Network Communications Devices 有权
标题翻译：有状态网络通信设备测试方法
公开(公告)号：US20070121516A1
公开(公告)日：2007-05-31
申请号：US11626484
申请日：2007-01-24
申请人： Clifford Hannel , Douglas Schafer , Errol Ginsberg , Gerald Pepper
发明人： Clifford Hannel , Douglas Schafer , Errol Ginsberg , Gerald Pepper
IPC分类号： H04L12/26 , H04L12/56
CPC分类号： H04L29/06 , H04L43/50 , H04L67/1002 , H04L67/1008 , H04L67/1029 , H04L69/16 , H04L69/161 , H04L69/163 , H04L2029/06054
摘要： There is disclosed a method for testing a stateful network communications device. A plurality of stateful and simulated stateless connections are established with the device under test. Packets are sent to the device under test, and responses are received from the device enter test, over the stateless and stateful connections. Measurements are obtained for at least one of the stateless and stateful connections.
摘要翻译：公开了一种用于测试有状态网络通信设备的方法。与被测设备建立多个状态和模拟无状态连接。数据包被发送到被测设备，从设备接收到响应，进入无状态和状态连接的测试。对无状态和有状态连接中的至少一个获得测量。

8. 发明申请

US20050021715A1 Automated capturing and characterization of network traffic using feedback 有权
标题翻译：使用反馈自动捕获和表征网络流量
公开(公告)号：US20050021715A1
公开(公告)日：2005-01-27
申请号：US10831452
申请日：2004-04-22
申请人： Diego Dugatkin , Clifford Hannel
发明人： Diego Dugatkin , Clifford Hannel
IPC分类号： H04L12/56 , H04L12/24 , H04L12/28 , G06F15/173
CPC分类号： H04L43/50 , H04L41/142 , H04L43/12
摘要： Automated capturing and characterization of network traffic using feedback is described. A method may include capturing network traffic, compiling network traffic data based on the network traffic, analyzing the network traffic data, and automatically providing instructions based on the analyzing to control the capturing and the compiling. A system on which the method may execute may include one or more chassis or computing devices having one or more network cards. The chassis and/or the computing devices may be connected to one or more networks, and may be connected to one another. A system that implements the method may include collectors, characterization units, and a feedback controller.
摘要翻译：描述了使用反馈自动捕获和表征网络流量。一种方法可以包括捕获网络流量，基于网络流量编译网络流量数据，分析网络流量数据，并根据分析自动提供指令来控制捕获和编译。该方法可以执行的系统可以包括具有一个或多个网卡的一个或多个机箱或计算设备。底盘和/或计算设备可以连接到一个或多个网络，并且可以彼此连接。实现该方法的系统可以包括收集器，表征单元和反馈控制器。

9. 发明申请

US20050015642A1 Virtual interface 有权
标题翻译：虚拟界面
公开(公告)号：US20050015642A1
公开(公告)日：2005-01-20
申请号：US10608491
申请日：2003-06-27
申请人： Clifford Hannel , Marcel Desdier , Jan Olderdissen
发明人： Clifford Hannel , Marcel Desdier , Jan Olderdissen
IPC分类号： H02H3/05 , H04L12/26 , H04L29/08
CPC分类号： H04L43/50 , H04L67/08 , H04L67/1002
摘要： A virtual interface is disclosed. A method may include allowing upper layer software to transparently access the capabilities of a network device via a virtual interface as if the network device were in a computing device in which the upper layer software is resident. A communication channel may be established with a computing device. A virtual interface to a network device in the computing device is created. Incoming data units directed to the network device are received via the communication channel, and are made available via the virtual interface. Outgoing data units directed to the virtual interface may be forwarded to the network device via the communication channel. The methods may be implemented on computing devices that include network cards, including computers and/or network testing systems.
摘要翻译：公开了虚拟接口。一种方法可以包括允许上层软件经由虚拟接口透明地访问网络设备的能力，就好像网络设备在上层软件所在的计算设备中一样。可以与计算设备建立通信信道。创建到计算设备中的网络设备的虚拟接口。通过通信信道接收定向到网络设备的传入数据单元，并且经由虚拟接口可用。指向虚拟接口的出局数据单元可以经由通信信道被转发到网络设备。所述方法可以在包括网卡（包括计算机和/或网络测试系统）的计算设备上实现。

10. 发明申请

US20110040874A1 Automated Characterization of Network Traffic 有权
标题翻译：网络流量自动表征
公开(公告)号：US20110040874A1
公开(公告)日：2011-02-17
申请号：US12914820
申请日：2010-10-28
申请人： Diego Dugatkin , Clifford Hannel
发明人： Diego Dugatkin , Clifford Hannel
IPC分类号： G06F15/173
CPC分类号： H04L41/142 , H04L41/00 , H04L41/145 , H04L43/00 , H04L43/028 , H04L43/12 , H04L43/18 , H04L43/50
摘要： Automated characterization of network traffic is described herein. A method may include compiling network traffic data based on received network traffic, preparing a network traffic characterization based on the network traffic data, and generating outgoing network traffic scripts based on the network traffic characterization. A method may also include capturing network traffic and generating test network traffic based on the scripts. A network testing system on which the method may be executed may include one or more chassis and/or computing devices, each having one or more network cards. The chassis and/or computing devices may be connected to one or more networks and to one another. The networks may include a production network and a test network. A system may include a data collector, a characterization engine, a script generator, and a traffic generator.
摘要翻译：本文描述了网络流量的自动表征。一种方法可以包括基于接收到的网络流量编译网络流量数据，基于网络流量数据准备网络流量表征，以及基于网络流量表征来生成输出网络流量脚本。方法还可以包括捕获网络流量并基于脚本生成测试网络流量。可以在其上执行该方法的网络测试系统可以包括一个或多个机架和/或计算设备，每个具有一个或多个网卡。机箱和/或计算设备可以连接到一个或多个网络并且彼此连接。网络可以包括生产网络和测试网络。系统可以包括数据收集器，表征引擎，脚本生成器和流量生成器。

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