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    • 52. 发明申请
    • METHOD AND SYSTEM FOR SCALABLE SWITCHING ARCHITECTURE
    • 用于可切换开关结构的方法和系统
    • US20110019585A1
    • 2011-01-27
    • US12690280
    • 2010-01-20
    • Wael DiabYongbum KimBruce CurrivanJeyhan KaraoguzKenneth MaMichael Johas Teener
    • Wael DiabYongbum KimBruce CurrivanJeyhan KaraoguzKenneth MaMichael Johas Teener
    • H04L12/28H04L12/56
    • H04L41/082H04L45/24H04L45/245H04L45/7453H04L49/45H04L49/602Y02D50/30
    • A switching fabric, within a network switching device, may comprise a plurality of dedicated interface modules to enable the switching fabric to interface with a plurality of switching support subsystems. The switching support subsystems may comprise a memory subsystem, a content address memory (CAM) subsystem, a packet processing subsystem, and a physical layer (PHY) subsystem. The switching fabric may be operable to determine capacity and/or capability of each of the plurality of switching support subsystems; and to configure each of the plurality of dedicated interface modules based on the determined capacity and/or capability of a corresponding switching support subsystem. The switching fabric also comprises an inter-switch interface module to enable coupling the network switching device to a plurality of other network switching devices, to form a multi-device switching mesh that enable sharing of resources and/or aggregation of switching capabilities of the network switching devices.
    • 网络交换设备内的交换结构可以包括多个专用接口模块,以使得交换结构能够与多个交换支持子系统进行接口。 交换支持子系统可以包括存储器子系统,内容地址存储器(CAM)子系统,分组处理子系统和物理层(PHY)子系统。 交换结构可以可操作以确定多个交换支持子系统中的每一个的容量和/或能力; 以及基于所确定的相应交换支持子系统的容量和/或能力来配置所述多个专用接口模块中的每一个。 交换结构还包括交换机间接口模块,用于使网络交换设备耦合到多个其他网络交换设备,以形成多设备交换网格,其能够共享资源和/或网络的交换能力的聚合 开关器件。
    • 54. 发明申请
    • Synchronization of distributed cable modem network components
    • 分布式电缆调制解调器网络组件的同步
    • US20060056323A1
    • 2006-03-16
    • US11216549
    • 2005-08-31
    • Bruce Currivan
    • Bruce Currivan
    • H04J3/06H04B7/005
    • H04N21/4263H04J3/0632H04J3/0682H04L12/2801H04L2007/045H04N21/42676
    • A distributed Cable Modem Termination System (CMTS) includes a head end, a downstream transmitter hub, and a plurality of cable modems that all establish frequency lock with a common frequency reference. The head end transmits a plurality of time stamps from the head end to the plurality of cable modems via a packet data network, the downstream transmitter hub, and cable modem network plant. Each of the plurality of cable modems performs smoothing operations on the plurality of time stamps to establish phase lock with the head end. The downstream transmitter and the plurality of cable modems perform ranging operations to establish phase lock among the plurality of cable modems. In an alternate operation, the frequency reference includes marker sequences that the devices of the distributed CMTS use to establish phase lock.
    • 分布式电缆调制解调器终端系统(CMTS)包括头端,下游发射器集线器和多个电缆调制解调器,所有电缆调制解调器都建立具有公共频率参考的频率锁定。 头端经由分组数据网络,下游发射机集线器和电缆调制解调器网络设备从头端向多个电缆调制解调器发送多个时间戳。 多个电缆调制解调器中的每一个在多个时间戳上执行平滑操作以建立与头端的锁相。 下行发射器和多个电缆调制解调器执行测距操作以在多个电缆调制解调器之间建立相位锁定。 在替代操作中,频率参考包括分布式CMTS的设备用于建立锁相的标记序列。
    • 55. 发明授权
    • Method and system for dynamic routing and/or switching in a network
    • 网络中动态路由和/或切换的方法和系统
    • US09264341B2
    • 2016-02-16
    • US12571165
    • 2009-09-30
    • Kenneth MaBruce CurrivanWael William DiabJeyhan KaraoguzYong KimMichael Johas Teener
    • Kenneth MaBruce CurrivanWael William DiabJeyhan KaraoguzYong KimMichael Johas Teener
    • H04L12/28H04L12/701H04L12/721H04L12/725
    • H04L45/74H04L45/00H04L45/124H04L45/302
    • Communication devices may determine routes for packets based on packet marking, routing parameters and/or costs associated with routes. A route may be selected and the packets may be communicated via the selected route. The parameters may comprise service class, real time compression, packet preemption, quality measurements, tier bypass and/or power usage information. The costs may comprise capacity, efficiency and/or performance information for power usage, bandwidth, memory and/or processing. The marking may comprise traffic type, user device capabilities, service class, quality measurements, latency requirements and/or power usage information. Endpoint devices, software applications and/or service providers may insert the marking into packets. Routes may be determined and/or selected based on shortest path bridging, audio video bridging, the marking, the routing parameters and/or the costs. Parameters and/or costs may be received and/or discovered from communication devices. Packets and/or the marking may be parsed and/or inspected. Costs may be based on routing parameters.
    • 通信设备可以基于分组标记,路由参数和/或与路由相关联的成本来确定分组的路由。 可以选择路由,并且可以经由所选择的路由来传送分组。 这些参数可以包括服务类别,实时压缩,分组抢占,质量测量,层次旁路和/或功率使用信息。 成本可以包括用于功率使用,带宽,存储器和/或处理的容量,效率和/或性能信息。 标记可以包括业务类型,用户设备能力,服务类别,质量测量,延迟要求和/或功率使用信息。 端点设备,软件应用和/或服务提供商可以将标记插入分组。 可以基于最短路径桥接,音频视频桥接,标记,路由参数和/或成本来确定和/或选择路由。 可以从通信设备接收和/或发现参数和/或成本。 分组和/或标记可以被解析和/或检查。 成本可能基于路由参数。
    • 56. 发明授权
    • Method and system for packetizing data for servicing traffic end-to-end
    • 分组数据的方法和系统,用于为端到端流量服务
    • US08862768B2
    • 2014-10-14
    • US12581741
    • 2009-10-19
    • Wael William DiabBruce CurrivanJeyhan KaraoguzYongbum KimKenneth MaMichael Johas Teener
    • Wael William DiabBruce CurrivanJeyhan KaraoguzYongbum KimKenneth MaMichael Johas Teener
    • G06F15/16H04L29/08H04L29/06
    • H04L69/08H04L69/32H04L69/324
    • Aspects of a method and system for packetizing data for servicing traffic end-to-end are provided. In this regard, a networking subsystem may receive, from an application, one or more values of one or more parameters associated with data generated by the application. The networking subsystem may packetize the data into one or more packets. The networking subsystem may translate the received one or more values into one or more corresponding OSI layer 2 tags. The networking subsystem may tag the one or more packets with the corresponding OSI layer 2 tags and transmit the tagged packet(s) to one or more link partners. The link partners may thus process and forward the tagged packet(s) by inspecting only OSI layer 2 information of the tagged packet(s). The one or more corresponding OSI layer 2 tags may indicate, for example, quality of service required by, and/or protocols associated with, the data.
    • 提供了一种用于打包用于为端到端流量服务的数据的方法和系统的方面。 在这方面,网络子系统可以从应用程序接收与由应用产生的数据相关联的一个或多个参数的一个或多个值。 网络子系统可以将数据分组成一个或多个分组。 网络子系统可以将所接收的一个或多个值转换成一个或多个相应的OSI层2标签。 网络子系统可以使用相应的OSI第2层标签来标记一个或多个分组,并将标记的分组发送到一个或多个链路伙伴。 因此,链路伙伴可以通过仅检查标记的分组的OSI层2信息来处理和转发带标签的分组。 一个或多个对应的OSI层2标签可以指示例如与数据相关联的和/或协议所需的服务质量。
    • 60. 发明申请
    • Method And System For Packet Preemption Via Packet Rescheduling
    • 通过数据包重新安排进行数据包抢占的方法和系统
    • US20110019668A1
    • 2011-01-27
    • US12571147
    • 2009-09-30
    • Wael William DiabMichael Johas TeenerBruce CurrivanJeyhan KaraoguzYong KimKenneth Ma
    • Wael William DiabMichael Johas TeenerBruce CurrivanJeyhan KaraoguzYong KimKenneth Ma
    • H04L12/56
    • H04L47/564H04L47/624H04L49/90
    • Link partners coupled via an Ethernet link comprise memory buffers and/or PHY devices and the memory buffers may be operable to buffer packets that are pending delivery via the PHY devices. Latency requirements may be determined by inspecting OSI layer 2 or higher OSI layer information. Markings within packets may be inspected for latency requirements. An order of communicating buffered packets may be determined based on latency requirements. Corresponding packet headers may be ordered based on the latency requirements. Packet delivery may be scheduled based on the latency requirements. A specified time and/or a specified quantity of buffered data, which may be statically or dynamically programmable and/or configurable, may trigger determination of latency requirements. Packets may be delivered after an indication that prior packets have been delivered. Latency requirements may depend on a device that may generate and/or render the packets.
    • 通过以太网链路耦合的链路伙伴包括存储器缓冲器和/或PHY设备,并且存储器缓冲器可以用于缓冲正在通过PHY设备进行传送的分组。 延迟要求可以通过检查OSI层2或更高的OSI层信息来确定。 可能会检查数据包内的标记是否有延迟要求。 可以基于等待时间要求确定缓冲分组通信的顺序。 可以根据等待时间要求对相应的分组报头进行排序。 可以基于等待时间要求来安排分组传送。 可以静态或动态可编程和/或可配置的指定时间和/或指定数量的缓冲数据可以触发等待时间要求的确定。 可以在提供先前数据包的指示之后传送数据包。 延迟要求可能取决于可能生成和/或呈现数据包的设备。