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1. 发明授权

US06560236B1 Virtual LANs 失效
标题翻译：虚拟局域网
公开(公告)号：US06560236B1
公开(公告)日：2003-05-06
申请号：US09411773
申请日：1999-10-04
申请人： George Varghese , John Bassett , Robert Eugene Thomas , Peter Higginson , Graham Cobb , Barry A. Spinney , Robert Simcoe
发明人： George Varghese , John Bassett , Robert Eugene Thomas , Peter Higginson , Graham Cobb , Barry A. Spinney , Robert Simcoe
IPC分类号： H04L1228
CPC分类号： H04L12/467 , H04L12/18 , H04L12/462 , H04L12/4625
摘要： A network device for interconnecting computer networks, the device including a bridge having a plurality of ports through which network communications pass to and from the bridge, the bridge also including a first interface enabling a user to partition the plurality of bridge ports into a plurality of groups, wherein each group represents a different virtual network, wherein the bridge treats all ports within a given group as part of the virtual network corresponding to that group and the bridge isolates the virtual networks from each other, whereby any communications received at a first port of the bridge are directly sent by the bridge to another bridge port only if the other bridge port and the first bridge port are part of the same group.
摘要翻译：一种用于互连计算机网络的网络设备，所述设备包括具有多个端口的桥接器，所述网桥通过所述多个端口传递到所述桥接器，所述桥接器还包括使得用户能够将所述多个桥接端口划分成多个组，其中每个组表示不同的虚拟网络，其中所述桥将给定组内的所有端口视为与所述组对应的所述虚拟网络的一部分，并且所述桥将所述虚拟网络彼此隔离，由此在第一端口处接收到的任何通信的桥接器直接由桥接器发送到另一个桥接端口，只有当另一个桥接端口和第一个桥接端口是同一个组的一部分时。

2. 发明授权

US5963556A Device for partitioning ports of a bridge into groups of different virtual local area networks 失效
标题翻译：用于将桥接端口分成不同虚拟局域网的组的设备
公开(公告)号：US5963556A
公开(公告)日：1999-10-05
申请号：US731905
申请日：1996-10-22
申请人： George Varghese , John Bassett , Robert Eugene Thomas , Peter Higginson , Graham Cobb , Barry A. Spinney , Robert Simcoe
发明人： George Varghese , John Bassett , Robert Eugene Thomas , Peter Higginson , Graham Cobb , Barry A. Spinney , Robert Simcoe
IPC分类号： H04L12/18 , H04L12/46 , H04J3/02
CPC分类号： H04L12/467 , H04L12/18 , H04L12/462 , H04L12/4625
摘要： A network device for interconnecting computer networks, the device including a bridge having a plurality of ports through which network communications pass to and from the bridge, the bridge also including a first interface enabling a user to partition the plurality of bridge ports into a plurality of groups, wherein each group represents a different virtual network, wherein the bridge treats all ports within a given group as part of the virtual network corresponding to that group and the bridge isolates said virtual networks from each other, whereby any communications received at a first port of the bridge are directly sent by the bridge to another bridge port only if the other bridge port and the first bridge port are part of the same group.
摘要翻译：一种用于互连计算机网络的网络设备，所述设备包括具有多个端口的桥接器，所述网桥通过所述多个端口传递到所述桥接器，所述桥接器还包括使得用户能够将所述多个桥接端口划分成多个组，其中每个组表示不同的虚拟网络，其中所述桥将给定组内的所有端口视为与所述组对应的所述虚拟网络的一部分，并且所述桥将所述虚拟网络彼此隔离，由此在第一端口处接收到的任何通信的桥接器直接由桥接器发送到另一个桥接端口，只有当另一个桥接端口和第一个桥接端口是同一个组的一部分时。

3. 发明授权

US5390173A Packet format in hub for packet data communications system 失效
标题翻译：分组数据通信系统中心的数据包格式
公开(公告)号：US5390173A
公开(公告)日：1995-02-14
申请号：US965651
申请日：1992-10-22
申请人： Barry A. Spinney , Robert J. Simcoe , Robert E. Thomas , George Varghese
发明人： Barry A. Spinney , Robert J. Simcoe , Robert E. Thomas , George Varghese
IPC分类号： H04L12/46 , H04J3/26
CPC分类号： H04L12/46
摘要： A packet data communication network employs a local switch, router or bridge device functioning to transfer packets between segments of a larger network. When packets enter this device, an address translation is performed to generate local source and destination addresses which are much shorter than the globally-unique addresses contained in the packet as dictated by the protocol. These local addresses are inserted in a header that is added to the packet, in addition to any header already contained in the packet. This added header travels with the packet through the local switch, router or bridge device, but then is stripped off before the packet is sent out onto another network segment. The added header may also contain other information, such as a local name for the source and destination segment (link), as well as status information that is locally useful, but not part of the packet protocol and not necessary for transmission with the packet throughout the network. Local congestion information, results of address translations, and end-of-message information, are examples of such status information.
摘要翻译：分组数据通信网络采用本地交换机，路由器或网桥设备，其功能是在较大网络的段之间传送分组。当分组进入该设备时，执行地址转换以产生比协议所指示的包中包含的全局唯一地址短的本地源和目的地址。这些本地地址除了已经包含在数据包中的任何头部之外，都插入到添加到数据包的头中。该添加的报头通过本地交换机，路由器或网桥设备与数据包一起运行，但在数据包发送到另一个网段之前被剥离。添加的报头还可以包含其他信息，例如源和目的地段（链接）的本地名称以及本地有用的状态信息，但不是分组协议的一部分，并且不一定与数据包一起传输网络。本地拥塞信息，地址转换结果和消息结束信息是这种状态信息的示例。

4. 发明授权

US5796966A Method and apparatus for dynamically controlling data routes through a network 失效
标题翻译：用于通过网络动态控制数据路由的方法和装置
公开(公告)号：US5796966A
公开(公告)日：1998-08-18
申请号：US850975
申请日：1997-05-05
申请人： Robert Simcoe , Robert E. Thomas , George Varghese
发明人： Robert Simcoe , Robert E. Thomas , George Varghese
IPC分类号： H04L12/18 , H04L12/935 , H04L12/937 , G06F13/00
CPC分类号： H04L12/1881 , H04L49/254 , H04L49/30
摘要： A mechanism for operating a configurable switch to dynamically (i) route each of the data packets in an ordered string from a particular switch input port through a selected member output port of a hunt group; and (ii) route data packets which need not be transmitted in order from the input ports to available member output ports of the hunt group, as the members become available. A controller assigns each input port a service number, and directs member output ports to handle requests for ordered data packet transmissions from input ports with particular service numbers, such that the ordered transfers from an input port are handled by a single member of each group. The input port broadcasts, through the switch, a request to send ordered data packets through a particular hunt group and includes its service number in the request. The group member assigned to handle ordered transfers from the input port responds by identifying itself. Thereafter, the input port sends its ordered data packets to the identified member. Unordered data packets are queued and routed dynamically through the members of the group, as the members become available. In a local area network, data is sent from a source station to file servers using server group identifiers for multiple-route transfers or individual server identifiers for single-route transfers.
摘要翻译：一种用于操作可配置交换机的机制，用于动态地（i）将来自特定交换机输入端口的有序字符串中的每个数据分组路由到寻线组的所选成员输出端口; 以及（ii）当成员变得可用时，将从搜索组的输入端口到可用成员输出端口的顺序的数据包路由不需要传送。控制器为每个输入端口分配服务号码，并指示成员输出端口处理来自具有特定服务号码的输入端口的有序数据分组传输的请求，使得来自输入端口的有序传输由每个组的单个成员处理。输入端口通过交换机广播通过特定寻线组发送有序数据包的请求，并在请求中包括其服务号码。分配给处理来自输入端口的有序传输的组成员通过识别自身进行响应。此后，输入端口向已识别的成员发送其有序数据包。随着成员可用，无序数据包将通过组的成员进行排队和路由。在局域网中，使用用于多路由传输的服务器组标识符或单路传输的单个服务器标识符将数据从源站发送到文件服务器。

5. 发明授权

US5905723A System for achieving scalable router performance 失效
标题翻译：用于实现可扩展路由器性能的系统
公开(公告)号：US5905723A
公开(公告)日：1999-05-18
申请号：US499872
申请日：1995-07-10
申请人： George Varghese , David R. Oran , Robert Eugene Thomas
发明人： George Varghese , David R. Oran , Robert Eugene Thomas
IPC分类号： H04L12/56 , H04Q11/04 , H04J3/24
CPC分类号： H04L49/107 , H04L45/00 , H04L45/245 , H04L49/1576 , H04L49/25 , H04L49/258 , H04L49/351 , H04L49/606 , H04L49/101 , H04L49/102 , H04L49/30 , H04L49/55 , Y02B60/33
摘要： A network interconnection device having a router connected by a plurality of links to at least one multiport switch is presented. Each of the plurality of links is connected between one port of the router and one port of the multiport switch such that each link represents a separate path between the router and the multiport switch over which data packets may be transferred. Sets of links are defined as hunt groups, which contain multiple instances of a given resource. Each port has a forwarding engine. When a packet arrives at a router port, the forwarding engine checks if the packet destination port belongs to the same hunt group as the packet sending port. If the destination port and the packet sending port belong to the same group, the packet is sent back through the same port through which it arrived without having to pass through the router backplane, thus transferring the packet efficiently.
摘要翻译：提供了具有通过多条链路连接到至少一个多端口交换机的路由器的网络互连设备。多个链路中的每一个连接在路由器的一个端口和多端口交换机的一个端口之间，使得每个链路表示路由器和可以传送数据分组的多端口交换机之间的单独路径。链接集定义为寻线组，其中包含给定资源的多个实例。每个端口都有一个转发引擎。当分组到达路由器端口时，转发引擎检查分组目的端口是否属于与分组发送端口相同的寻线组。如果目的端口和报文发送端口属于同一组，则报文通过相同的端口发回，而不必通过路由器背板，从而有效地传输报文。

6. 发明授权

US09083708B2 Asymmetric end host redundancy elimination for networks 有权
标题翻译：网络不对称终端主机冗余消除
公开(公告)号：US09083708B2
公开(公告)日：2015-07-14
申请号：US12781782
申请日：2010-05-17
申请人： Ramachandran Ramjee , Bhavish Aggarwal , Pushkar Chitnis , George Varghese , Ashok Anand , Chitra Muthukrishnan , Athula Balachandran
发明人： Ramachandran Ramjee , Bhavish Aggarwal , Pushkar Chitnis , George Varghese , Ashok Anand , Chitra Muthukrishnan , Athula Balachandran
IPC分类号： G06F15/16 , H04L29/08
CPC分类号： H04L67/1002
摘要： An end host redundancy elimination system and method to provide redundancy elimination as an end system service. Embodiments of the system and method use optimization techniques that reduce server central processing unit (CPU) load and memory footprint as compared to existing approaches. For server storage, embodiments of the system and method use a suite of highly-optimized data structures for managing metadata and cached payloads. An optimized asymmetric max-match technique exploits the inherent structure in data maintained at the server and client and ensures that client processing load is negligible. A load-adaptive fingerprinting technique is used that is much faster than current fingerprinting techniques while still delivering similar compression. Load-adaptive means that embodiments of the fingerprinting technique can adapt CPU usage depending on server load. Embodiments of the system and method operate above the transmission control protocol (TCP) layer, thereby reducing the number of roundtrips needed for data transfer.
摘要翻译：终端主机冗余消除系统和方法，作为终端系统服务提供冗余消除。与现有方法相比，系统和方法的实施例使用减少服务器中央处理单元（CPU）负载和存储器占用的优化技术。对于服务器存储，系统和方法的实施例使用一组高度优化的数据结构来管理元数据和高速缓存的有效载荷。优化的非对称最大匹配技术利用了在服务器和客户机上维护的数据的固有结构，并确保客户端处理负载可以忽略不计。使用比当前指纹技术更快的负载自适应指纹技术，同时仍然提供类似的压缩。负载自适应意味着指纹技术的实施例可以根据服务器负载来调整CPU使用。系统和方法的实施例在传输控制协议（TCP）层之上操作，从而减少数据传输所需的往返次数。

7. 发明授权

US08391808B2 Method and system for estimating and compensating non-linear distortion in a transmitter using calibration 失效
公开(公告)号：US08391808B2
公开(公告)日：2013-03-05
申请号：US12038996
申请日：2008-02-28
申请人： Mark Gonikberg , Luis Gutierrez , Colin Fraser , Arya Behzad , George Varghese
发明人： Mark Gonikberg , Luis Gutierrez , Colin Fraser , Arya Behzad , George Varghese
IPC分类号： H04B1/04
CPC分类号： H04L27/2626 , H03F1/3241 , H04B1/0475 , H04B2001/0425
摘要： Aspects of a method and system for estimating and compensating for non-linear distortion in a transmitter using calibration are presented. Aspects of the system may include one more circuits that may enable estimation, within a single IC device, of distortion in output signals generated by a transmitter circuit. The circuitry may enable compensation of the estimated distortion by predistorting subsequent input signals. The transmitter circuit may generate subsequent output signals based on the predistorted subsequent input signals.

8. 发明授权

US08219032B2 Method and system for compensating for estimated distortion in a transmitter by utilizing a digital predistortion scheme with a quadrature feedback mixer configuration 有权
标题翻译：通过利用具有正交反馈混频器配置的数字预失真方案来补偿发射机中的估计失真的方法和系统
公开(公告)号：US08219032B2
公开(公告)日：2012-07-10
申请号：US11618876
申请日：2006-12-31
申请人： Arya Behzad , Ali Afsahi , Vikram Magoon , Mark Gonikberg , George Varghese , Guruprasad Revanna
发明人： Arya Behzad , Ali Afsahi , Vikram Magoon , Mark Gonikberg , George Varghese , Guruprasad Revanna
IPC分类号： H04B1/00
CPC分类号： H03F1/3247 , H03F1/3294 , H03F2200/336 , H03F2200/451 , H04L27/368
摘要： Aspects of a method and system for compensating for estimated distortion in a transmitter by utilizing a digital predistortion scheme with a quadrature feedback mixer configuration are presented. Aspects of the system may include an RF transmitter that enables generation of an RF output signal in response to one or more generated input signals. One or more feedback signals may be generated by performing frequency downconversion on the RF output signal within a corresponding one or more feedback mixer circuits. The generated one or more feedback signals may be inserted at a corresponding one or more insertion points in an RF receiver. Each insertion point may be between a receiver mixer circuit and corresponding circuits that generate a baseband signal based on the corresponding one of the feedback signals.
摘要翻译：提出了通过利用具有正交反馈混频器配置的数字预失真方案来补偿发射机中的估计失真的方法和系统的方面。系统的方面可以包括RF发射器，其能够响应于一个或多个所生成的输入信号而产生RF输出信号。可以通过对相应的一个或多个反馈混频器电路中的RF输出信号执行频率下变频来产生一个或多个反馈信号。所生成的一个或多个反馈信号可以插入RF接收器中相应的一个或多个插入点。每个插入点可以在接收机混合器电路和基于相应的一个反馈信号产生基带信号的相应电路之间。

9. 发明授权

US08010685B2 Method and apparatus for content classification 有权
标题翻译：内容分类方法和装置
公开(公告)号：US08010685B2
公开(公告)日：2011-08-30
申请号：US11272461
申请日：2005-11-09
申请人： Sumeet Singh , George Varghese , Michael Ayres , Michael Semanko , Bashir Eghbali , Travis G Newhouse
发明人： Sumeet Singh , George Varghese , Michael Ayres , Michael Semanko , Bashir Eghbali , Travis G Newhouse
IPC分类号： G06F15/16 , G06F11/00
CPC分类号： H04L63/0245 , H04L63/145
摘要： A method and apparatus is described to select a representative signature for use in identifying content in a packet stream. The method may comprise receiving the packet stream and obtaining content from a data payload of the packet. Thereafter, a plurality of signatures is identified from the content and a complexity score or a frequency score is determined based on the content. A signature of the plurality of signatures is then selected as the representative signature based on the complexity score or the frequency score.
摘要翻译：描述了一种方法和装置来选择用于识别分组流中的内容的代表性签名。该方法可以包括从分组的数据有效载荷接收分组流并获得内容。此后，根据内容识别多个签名，并且基于内容来确定复杂度分数或频率分数。然后，基于复杂度分数或频率得分，选择多个签名的签名作为代表签名。

10. 发明申请

US20090221245A1 Method and system for estimating and compensating non-linear distortion in a transmitter using calibration 失效
标题翻译：用于使用校准估计和补偿发射机中的非线性失真的方法和系统
公开(公告)号：US20090221245A1
公开(公告)日：2009-09-03
申请号：US12038996
申请日：2008-02-28
申请人： Mark Gonikberg , Luis Gutierrez , Colin Fraser , Arya Behzad , George Varghese
发明人： Mark Gonikberg , Luis Gutierrez , Colin Fraser , Arya Behzad , George Varghese
IPC分类号： H04B1/04
CPC分类号： H04L27/2626 , H03F1/3241 , H04B1/0475 , H04B2001/0425
摘要： Aspects of a method and system for estimating and compensating for non-linear distortion in a transmitter using calibration are presented. Aspects of the system may include one more circuits that may enable estimation, within a single IC device, of distortion in output signals generated by a transmitter circuit. The circuitry may enable compensation of the estimated distortion by predistorting subsequent input signals. The transmitter circuit may generate subsequent output signals based on the predistorted subsequent input signals.
摘要翻译：提出了一种用于使用校准估计和补偿发射机中的非线性失真的方法和系统的方面。系统的方面可以包括一个以上电路，其可以在单个IC器件内估计由发射机电路产生的输出信号中的失真。该电路可以通过预失真随后的输入信号来实现所估计的失真的补偿。发射机电路可以基于预失真的后续输入信号产生后续的输出信号。

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