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1. 发明授权

US08027277B2 Passive network tap for tapping network data 有权
标题翻译：被动网络点击攻击网络数据
公开(公告)号：US08027277B2
公开(公告)日：2011-09-27
申请号：US11560348
申请日：2006-11-15
申请人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson
发明人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson
IPC分类号： H04L5/14
CPC分类号： H04L43/00
摘要： A passive full-duplex bidirectional ZPL tap includes first and second network ports and first and second tap ports. A passive signal separator is configured to receive a data stream from at least one of the first or second network port and pass through the data stream and a first signal portion comprising at least the first signal component and a second signal portion comprising at least the second signal component. A first receive only physical interface device (Phy) is configured to receive the first signal portion from the signal separator and provide the first portion to the first tap port and a second receive only Phy is configured to receive the second signal portion from the signal separator and provide the second signal portion to the second tap port.
摘要翻译：被动全双工双向ZPL抽头包括第一和第二网络端口以及第一和第二抽头端口。无源信号分离器被配置为从第一或第二网络端口中的至少一个接收数据流并通过数据流，以及包括至少第一信号分量的第一信号部分和至少包括第二信号分量的第二信号部分信号分量。第一接收物理接口设备（Phy）被配置为从信号分离器接收第一信号部分并且将第一部分提供给第一抽头端口，并且第二接收仅Phy被配置为从信号分离器接收第二信号部分并将第二信号部分提供给第二抽头端口。

2. 发明授权

US07860034B2 Receive only physical interface device IC used in a passive network tap 有权
标题翻译：仅接收无源网络分接头中使用的物理接口设备IC
公开(公告)号：US07860034B2
公开(公告)日：2010-12-28
申请号：US11776362
申请日：2007-07-11
申请人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson , Paul R. Gentieu
发明人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson , Paul R. Gentieu
IPC分类号： H04L5/14
CPC分类号： H04L43/00 , H04L5/14
摘要： A receive or listen only Physical Interface Device (Phy). The receive or listen only Phy is configured to have a front end configured to only receive data from a communications network. The receive only Phy may be implemented a part of a tap device including a first network port for receiving a first network signal having a first format; a receive only Phy for converting the first network signal into a second signal format; and a transmit and receive Phy for receiving the first network signal in the second signal format and converting it into the first signal format.
摘要翻译：接收或只收听物理接口设备（Phy）。接收或只侦听Phy被配置为具有被配置为仅从通信网络接收数据的前端。只接收Phy可以实现包括用于接收具有第一格式的第一网络信号的第一网络端口的抽头设备的一部分; 用于将第一网络信号转换成第二信号格式的仅接收Phy; 以及用于以第二信号格式接收第一网络信号并将其转换为第一信号格式的发送和接收Phy。

3. 发明授权

US07787400B2 Passive network tap with digital signal processing for separating signals 有权
标题翻译：被动网络抽头采用数字信号处理分离信号
公开(公告)号：US07787400B2
公开(公告)日：2010-08-31
申请号：US11776286
申请日：2007-07-11
申请人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson , Paul R. Gentieu
发明人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson , Paul R. Gentieu
IPC分类号： H04B1/56
CPC分类号： H04L43/00 , H04L5/14
摘要： A passive full-duplex bidirectional ZPL tap includes first and second network ports and tap ports. A signal separator is configured to receive a data stream from at least one of the first or second network ports and pass through the data stream and configured to obtain a first signal portion comprising at least the first signal component and obtain a second signal portion comprising at least the second signal component. A DSP stage is configured to substantially remove any second data component from the first signal portion and to substantially remove any first data component from the second signal portion. A first receive only Phy is configured to receive the first signal portion and provide the first signal portion to the first tap port and a second receive only Phy is configured to receive the second signal portion and provide the second signal portion to the second tap port.
摘要翻译：被动全双工双向ZPL抽头包括第一和第二网络端口和抽头端口。信号分离器被配置为从第一或第二网络端口中的至少一个接收数据流，并且通过数据流并且被配置为获得包括至少第一信号分量的第一信号部分，并且获得第二信号部分，至少第二信号分量。 DSP级被配置为从第一信号部分基本上移除任何第二数据分量，并且从第二信号部分基本上移除任何第一数据分量。第一接收仅Phy被配置为接收第一信号部分并将第一信号部分提供给第一抽头端口，并且第二接收仅Phy被配置为接收第二信号部分并将第二信号部分提供给第二抽头端口。

4. 发明授权

US07860033B2 Passive network tap with bidirectional coupler and associated splitting methods 有权
标题翻译：被动网络抽头与双向耦合器和相关的拆分方法
公开(公告)号：US07860033B2
公开(公告)日：2010-12-28
申请号：US11776136
申请日：2007-07-11
申请人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson , Paul R. Gentieu
发明人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson , Paul R. Gentieu
IPC分类号： H04B1/56
CPC分类号： H04L43/00 , H04L5/14
摘要： The principles of the present invention relate to passive full-duplex bidirectional Zero Packet Loss (ZPL) network taps that include single, dual, or dual differential couplers that are placed in the communication path between two network devices that communicate using a full-duplex bidirectional data stream that include a first and a second data component. The bidirectional couplers are configured to at least partially obtain a second data stream that includes at least the first data component and to obtain a third data stream that includes at least the second data component. In some embodiments, the bidirectional couplers may include a signal separation module or stage that is configured to further separate the first and second data components.
摘要翻译：本发明的原理涉及被动全双工双向零丢包（ZPL）网络抽头，其包括单个，双重或双差分耦合器，其被放置在使用全双工双向通信的两个网络设备之间的通信路径中包括第一和第二数据组件的数据流。双向耦合器被配置为至少部分地获得包括至少第一数据分量并且获得包括至少第二数据分量的第三数据流的第二数据流。在一些实施例中，双向耦合器可以包括被配置为进一步分离第一和第二数据分量的信号分离模块或级。

5. 发明授权

US07778207B2 Passive tap and associated system for tapping network data 有权
标题翻译：无源点击和关联系统，用于窃听网络数据
公开(公告)号：US07778207B2
公开(公告)日：2010-08-17
申请号：US11560341
申请日：2006-11-15
申请人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson , Paul R. Gentieu
发明人： Greta L. Light , James D. McVey , N. Anders Olsson , A. Michael Lawson , Paul R. Gentieu
IPC分类号： H04L5/14
CPC分类号： H04L43/00 , H04L5/14
摘要： A network tap device array including one or more passive full-duplex bidirectional ZPL network tap devices is disclosed. The array enables data from multiple nodes in a communications network to be tapped and forwarded to a plurality of monitoring devices. In one embodiment the network tap device array includes a chassis that is configured to receive a plurality of passive full-duplex bidirectional ZPL network tap devices. Each passive full-duplex bidirectional ZPL network tap device includes network ports for passing network data via communication cables and tap ports for forwarding the tapped network data to the monitoring device. In another embodiment, a sub-chassis includes a plurality of passive full-duplex bidirectional ZPL network tap devices and an aggregator that aggregates tapped data from each of the tap devices. The aggregator then forwards the aggregated data to the monitoring device. The sub-chassis can be included in a chassis that is configured to receive multiple populated chassis.
摘要翻译：公开了一种包括一个或多个被动全双工双向ZPL网络抽头设备的网络抽头设备阵列。该阵列使来自通信网络中的多个节点的数据能够被抽头并转发到多个监视设备。在一个实施例中，网络抽头设备阵列包括被配置为接收多个无源全双工双向ZPL网络抽头设备的机箱。每个被动全双工双向ZPL网络抽头设备包括用于通过通信电缆和抽头端口传送网络数据的网络端口，用于将分接的网络数据转发到监控设备。在另一个实施例中，子机架包括多个被动全双工双向ZPL网络抽头设备和聚合来自每个抽头设备的抽头数据的聚合器。然后，聚合器将聚合的数据转发到监控设备。子机箱可以包含在配置为接收多个填充机箱的机箱中。

6. 发明授权

US07516046B2 Network diagnostic system with programmable oscillator 失效
标题翻译：具有可编程振荡器的网络诊断系统
公开(公告)号：US07516046B2
公开(公告)日：2009-04-07
申请号：US11344829
申请日：2006-02-01
申请人： A. Michael Lawson , Paul R. Gentieu , Paul Abrahams
发明人： A. Michael Lawson , Paul R. Gentieu , Paul Abrahams
IPC分类号： G06F15/00
CPC分类号： H04L43/50
摘要： A networking system is provided. The networking system may include a diagnostic module. The diagnostic module may perform any of a variety of network diagnostic functions. A diagnostic module may include an oscillator module. The oscillator module may be configured to provide a variety of clock signals to support a variety of network protocols and/or data rates.
摘要翻译：提供网络系统。网络系统可以包括诊断模块。诊断模块可以执行各种网络诊断功能中的任一种。诊断模块可以包括振荡器模块。振荡器模块可以被配置为提供各种时钟信号以支持各种网络协议和/或数据速率。

7. 发明授权

US07206831B1 On card programmable filtering and searching for captured network data 有权
标题翻译：卡上可编程过滤和搜索捕获的网络数据
公开(公告)号：US07206831B1
公开(公告)日：2007-04-17
申请号：US10228212
申请日：2002-08-26
申请人： Jean-François Dubé , Thomas A. Myers , Douglas Durham , Andrew J. Milne , Roumel R. Garcia , A. Michael Lawson
发明人： Jean-François Dubé , Thomas A. Myers , Douglas Durham , Andrew J. Milne , Roumel R. Garcia , A. Michael Lawson
IPC分类号： G06F15/16
CPC分类号： H04L43/00 , H04L43/18
摘要： A programmable data filtering/searching system for use with a data network. The primary programmable hardware-based filtering and searching portions of the system are integrated onto the same printed circuit board as the data storage device to facilitate efficient filtering and searching of data from a data stream coming from a memory storage device after being captured. In addition, the actual hardware and software used to perform the filtering and searching routines is programmable such that various filter and search criteria can be entered and utilized. The data filtering/searching system also uses metadata in addition to the captured data to minimize the time required to perform certain processes on the data from the data stream.
摘要翻译：一种用于数据网络的可编程数据过滤/搜索系统。系统的主要可编程硬件滤波和搜索部分被集成到与数据存储设备相同的印刷电路板上，以便于在被捕捉之后从来自存储器存储设备的数据流中有效地过滤和搜索数据。此外，用于执行过滤和搜索例程的实际硬件和软件是可编程的，使得可以输入和利用各种过滤器和搜索标准。除了捕获的数据之外，数据过滤/搜索系统还使用元数据，以最小化对来自数据流的数据执行某些进程所需的时间。

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