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    HIGH-SPEED ROUTER BACKPLANE
    4.
    发明申请
    HIGH-SPEED ROUTER BACKPLANE 审中-公开
    高速路由器背板

    公开(公告)号：WO2003073809A1

    公开(公告)日：2003-09-04

    申请号：PCT/US2002/027988

    申请日：2002-09-03

    Applicant: FORCE10 NETWORKS, INC.

    Inventor： GOERGEN, Joel, R. ,  ARMESTEAD, Ashby ,  HUNT, Greg

    IPC: H05K1/02

    CPC classification number: H05K1/0245 ,  H05K1/0228 ,  H05K1/0248 ,  H05K1/0298 ,  H05K7/1459 ,  H05K2201/044 ,  H05K2201/09236 ,  H05K2201/09263

    Abstract: A high-speed router backplane is disclosed. The disclosed construction and layout techniques enable the construction of a reliable, high-layer-count, and economical backplane for routers and the like that use signaling across the backplane at trace speeds of 2.5 Gbps or greater. Specific ranges of differential trace geometry characteristics, with significant single-ended coupling to adjacent ground planes, have been found to provide the parameters needed for such signaling. New trace routing and layering techniques also help in the realization of a backplane embodiment containing roughly 600 operable high-speed differential pairs, while also providing sufficient electromagnetic interference management to allow power distribution to occur within the same backplane.

    Abstract translation: 公开了一种高速路由器背板。 所公开的结构和布局技术使得能够构建用于路由器等的可靠，高层次和经济的背板，其以2.5Gbps或更大的跟踪速度在背板上使用信令。 已经发现具有显着的单端耦合到相邻接地层的差分迹线几何特征的特定范围提供了这种信号所需的参数。 新的跟踪路由和分层技术还有助于实现包含大约600个可操作的高速差分对的背板实施例，同时还提供足够的电磁干扰管理以允许在同一背板内发生功率分配。

    MULTIPLEXED MULTILANE HYBRID SCRAMBLED TRANSMISSION CODING
    5.
    发明申请
    MULTIPLEXED MULTILANE HYBRID SCRAMBLED TRANSMISSION CODING 审中-公开
    多路复用多媒体混合传输编码

    公开(公告)号：WO2009017800A2

    公开(公告)日：2009-02-05

    申请号：PCT/US2008009270

    申请日：2008-07-31

    Applicant: FORCE10 NETWORKS INC

    Inventor： GOERGEN JOEL R ,  SUBRAMANIAN KRISHNAMURTHY ,  GUI ANN

    IPC: H04L25/03

    CPC classification number: H04L25/03866 ,  H04L7/04 ,  H04L25/14 ,  H04L25/4908

    Abstract: In one embodiment, a hybrid backplane coding scheme transmits data using lengthy sequences of scrambled data, separated by 8b/ 10b control character sequences that prepare the receiver for the next scrambled sequence and permit realignment if necessary. Several lanes are coded separately in this manner, and then multiplexed on a common channel. Alignment sequences in the control character sequences, as well as scrambler seeds, are set to avoid synchronization of patterns generated among all lanes, which would tend to confuse a receiving serdes and/or phase-locked loop that recovers timing from the multiplexed scrambled signals.

    Abstract translation: 在一个实施例中，混合背板编码方案使用冗余的加扰数据序列来发送数据，该数据由8b / 10b控制字符序列分隔，其为下一个加扰序列准备接收机，并且如果需要则允许重新对准。 以这种方式分开编码几个通道，然后在公共信道上多路复用。 设置控制字符序列中的对准序列以及加扰器种子以避免在所有通道之间产生的模式的同步，这将趋向于混淆从多路复用的加扰信号恢复定时的接收serdes和/或锁相环路。

    VIRTUAL NETWORK DEVICE ARCHITECTURE
    6.
    发明申请
    VIRTUAL NETWORK DEVICE ARCHITECTURE 审中-公开
    虚拟网络设备架构

    公开(公告)号：US20160285765A1

    公开(公告)日：2016-09-29

    申请号：US15175787

    申请日：2016-06-07

    Applicant: FORCE10 NETWORKS, INC

    Inventor： Krishnamurthy Subramanian ,  Rahul Kulkarni

    IPC: H04L12/741 ,  H04L12/713 ,  H04L12/933 ,  H04L29/08 ,  H04L12/937

    CPC classification number: H04L45/745 ,  H04L45/586 ,  H04L49/10 ,  H04L49/253 ,  H04L69/324 ,  H04L69/325

    Abstract: A network device such as a router or a switch is comprised of a control module and a plurality of physical line cards. The control module includes a control processor virtual machine, a plurality of route processing virtual machines and one or more instances of a line card virtual machine. The line card virtual machine operates to receive routing information base update information, to modify the routing information base according to the update information and to update each instance of a plurality of forwarding information bases included on each of the physical line cards.

    Abstract translation: 诸如路由器或交换机的网络设备由控制模块和多个物理线路卡组成。 控制模块包括控制处理器虚拟机，多个路由处理虚拟机和线卡虚拟机的一个或多个实例。 线卡虚拟机操作以接收路由信息库更新信息，根据更新信息修改路由信息库，并更新每个物理线路卡上包含的多个转发信息库的每个实例。

    Link aggregation based on port and protocol combination
    7.
    发明授权
    Link aggregation based on port and protocol combination 有权
    基于端口和协议组合的链路聚合

    公开(公告)号：US09363167B2

    公开(公告)日：2016-06-07

    申请号：US14322666

    申请日：2014-07-02

    Applicant: Force10 Networks, Inc.

    Inventor： Janardhanan Pathangi Narasimhan

    IPC: H04L12/28 ,  H04L12/709 ,  H04L12/935 ,  H04L12/931

    CPC classification number: H04L45/245 ,  H04L47/125 ,  H04L49/30 ,  H04L49/35 ,  H04L49/354 ,  Y02D50/30

    Abstract: A network switch suitable for receiving packets of information from and the packets of information to a communications network includes a plurality of physical ports, packet processing functionality and memory. The packet processing functionality operates on information stored in memory to determine the LAG, from among two or more LAGs, over which a packet received by the switch should be correctly forwarded. The switch memory stores a plurality of LAG tables, each one of which can include one or more entries comprising a physical port number and a packet parameter that are used by the packet processing functionality to determinately identify the correct LAG over which to forward a packet.

    Abstract translation: 适合于从通信网络接收信息包和信息包的网络交换机包括多个物理端口，分组处理功能和存储器。 分组处理功能对存储在存储器中的信息进行操作以确定来自两个或更多个LAG中的LAG，由交换机接收到的分组应在其上正确转发。 交换机存储器存储多个LAG表，每个LAG表可以包括一个或多个条目，该条目包括物理端口号和分组参数，该分组参数由分组处理功能用来确定地识别正确的转发分组的LAG。

    High-speed router backplane
    8.
    发明申请
    High-speed router backplane 有权
    高速路由器背板

    公开(公告)号：US20030147375A1

    公开(公告)日：2003-08-07

    申请号：US10068616

    申请日：2002-02-05

    Applicant: Force10 Networks, Inc.

    Inventor： Joel R. Goergen ,  Ashby Armistead ,  Greg Hunt

    IPC: H04L012/28

    CPC classification number: H05K1/0245 ,  H05K1/0228 ,  H05K1/0248 ,  H05K1/0298 ,  H05K7/1459 ,  H05K2201/044 ,  H05K2201/09236 ,  H05K2201/09263

    Abstract: A high-speed router backplane is disclosed. The disclosed construction and layout techniques enable the construction of a reliable, high-layer-count, and economical backplane for routers and the like that use signaling across the backplane at trace speeds of 2.5 Gbps or greater. Specific ranges of differential trace geometry characteristics, with significant single-ended coupling to adjacent ground planes, have been found to provide the parameters needed for such signaling. New trace routing and layering techniques also help in the realization of a backplane embodiment containing roughly 600 operable high-speed differential pairs, while also providing sufficient electromagnetic interference management to allow power distribution to occur within the same backplane.

    Abstract translation: 公开了一种高速路由器背板。 所公开的结构和布局技术使得能够构建用于路由器等的可靠，高层次和经济的背板，其以2.5Gbps或更大的跟踪速度在背板上使用信令。 已经发现具有显着的单端耦合到相邻接地层的差分迹线几何特征的特定范围提供了这种信号所需的参数。 新的跟踪路由和分层技术还有助于实现包含大约600个可操作的高速差分对的背板实施例，同时还提供足够的电磁干扰管理以允许在同一背板内发生功率分配。

    Circuit board
    9.
    发明授权
    Circuit board 有权

    公开(公告)号：US10462894B2

    公开(公告)日：2019-10-29

    申请号：US14555227

    申请日：2014-11-26

    Applicant: FORCE10 NETWORKS, INC.

    Inventor： Joel R. Goergen ,  Yi Zheng

    IPC: H05K1/00 ,  H05K1/02 ,  H01P3/08 ,  H05K3/00 ,  H05K3/46 ,  H05K1/03

    Abstract: Circuit boards and methods for their manufacture are disclosed. The circuit boards carry high-speed signals using conductors formed to include lengthwise channels. The channels increase the surface area of the conductors, and therefore enhance the ability of the conductors to carry high-speed signals. In at least some embodiments, a discontinuity also exists between the dielectric constant within the channels and just outside the channels, which is believed to reduce signal loss into the dielectric material.

    DISTRIBUTED PACKET SWITCH HAVING A WIRELESS CONTROL PLANE
    10.
    发明申请
    DISTRIBUTED PACKET SWITCH HAVING A WIRELESS CONTROL PLANE 审中-公开
    具有无线控制平面的分布式分组交换机

    公开(公告)号：US20160366072A1

    公开(公告)日：2016-12-15

    申请号：US15246198

    申请日：2016-08-24

    Applicant: FORCE10 NETWORKS, INC

    Inventor： Joel R. Goergen

    IPC: H04L12/931 ,  H04W56/00 ,  H04W72/12 ,  H04L12/64

    CPC classification number: H04L49/40 ,  H04L12/64 ,  H04W28/02 ,  H04W28/18 ,  H04W56/00 ,  H04W72/12

    Abstract: A packet network device such as a network switch includes a number of functional cards or chassis modules at least some of which are connected to both an electrical backplane and a wireless backplane. The electrical backplane provides data plane signal paths and the wireless backplane provides control plane signal paths.

    Abstract translation: 诸如网络交换机的分组网络设备包括多个功能卡或机箱模块，其中至少一些连接到电背板和无线背板。 电背板提供数据平面信号路径，无线背板提供控制平面信号路径。

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