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    • 3. 发明授权
    • Multi-service segmentation and reassembly device operable with either a cell-based or a packet-based switch fabric
    • 多业务分段和重组设备可以与基于单元的或基于分组的交换结构一起使用
    • US07327760B1
    • 2008-02-05
    • US09976310
    • 2001-10-12
    • Bidyut ParruckChulanur Ramakrishnan
    • Bidyut ParruckChulanur Ramakrishnan
    • H04L12/56
    • H04L49/602H04L49/30H04L2012/5605H04L2012/5652H04L2012/5667
    • A multi-service segmentation and reassembly (MS-SAR) integrated circuit is disposed on a line card in a router or switch. The MS-SAR can operate in an ingress mode so that it receives packet and/or cell format data and forwards that data to either a packet-based or a cell-based switch fabric. The MS-SAR can also operate in an egress mode so that it receives data from either a packet-based or a cell-based switch fabric and outputs that data in packet and/or cell format. The MS-SAR has a data path through which many flows of different traffic types are processed simultaneously. Each flow is processed by functional blocks along the data path in accordance with one of several application types, the application type for a flow being predetermined by the host processor of the router or switch. Segmentation, reassembly and partitioning techniques are disclosed that reduce costs and facilitate high-speed operation.
    • 在路由器或交换机的线路卡上设置多业务分段和重组(MS-SAR)集成电路。 MS-SAR可以以入口模式操作,以便它接收分组和/或小区格式数据,并将该数据转发到基于分组或基于小区的交换结构。 MS-SAR还可以以出口模式操作,从而从基于分组或基于小区的交换结构接收数据,并以分组和/或小区格式输出该数据。 MS-SAR具有数据路径,同时处理不同流量类型的许多流。 根据多个应用类型之一,沿着数据路径的功能块处理每个流程,流程的应用类型由路由器或交换机的主机处理器预先确定。 公开了降低成本并促进高速运行的分段,重组和分区技术。
    • 6. 发明授权
    • Methods and apparatus for retiming and realignment of STS-1 signals into
STS-3 type signal
    • 将STS-1信号重新定位并重新排列成STS-3型信号的方法和装置
    • US5331641A
    • 1994-07-19
    • US848384
    • 1992-03-09
    • Bidyut ParruckRobert W. Hamlin, Jr.
    • Bidyut ParruckRobert W. Hamlin, Jr.
    • H04J3/07G06F5/10G06F5/12H04J3/00H04J3/06H04J3/16H04L25/05H04J14/08
    • H04J3/076G06F5/12H04J3/0623H04J3/1611H04L25/05G06F2205/123
    • Apparatus and methods for retiming an STS-3 type signal are provided. The SPE of an incoming STS-3 type signal is demultiplexed into three STS-1 payloads and fed to three FIFOs, and a byte which is synchronous with the TOH is tracked through the three FIFOs to provide an indication of the FIFO depth. A frame count is also kept to track the number of frames since a last pointer movement. Stuffs or destuffs are generated based on the FIFO depth as well as based on the frame count, with a stuff or destuff generated as quickly as four frames from a previous pointer movement if the FIFO is close to full or close to empty, and less quickly (e.g., at thirty-two frames from a previous pointer movement) if the FIFO is only starting to empty or to fill. Where the STS-3 type signal is a STS-3C signal, the decision on whether to stuff or destuff is made with reference to all three depth measurement circuits as all the STS-1 payloads must be stuffed or destuffed together. Also, to realign the STS-1 components of the STS-3C signal, the J1 bytes of the signal are tracked through the FIFOs, and a logic circuit is provided having phase 3 of the outgoing STS-3 clock, and the three J1 byte control signals as inputs. The logic circuit inhibits a read of a J1 byte from any particular FIFO unless all FIFO's have a high J1 signal at phase 3 of the clock.
    • 提供了重新定时检测STS-3型信号的装置和方法。 输入的STS-3型信号的SPE被解复用为三个STS-1有效载荷并馈送到三个FIFO,并且通过三个FIFO跟踪与TOH同步的字节,以提供FIFO深度的指示。 帧计数也保持跟踪自从最后一个指针移动以来的帧数。 基于FIFO深度以及基于帧计数产生的填充或解消息,如果FIFO接近满或接近空,则从前一个指针移动快速生成四帧的填充或消息,并且不太快 (例如,从先前的指针移动开始的三十二帧),如果FIFO只开始清空或填满。 在STS-3型信号为STS-3C信号的情况下,由于所有STS-1有效载荷必须填充或混合在一起,因此参照所有三个深度测量电路进行是否进行填充或消除的决定。 另外,为了重新调整STS-3C信号的STS-1分量,通过FIFO跟踪信号的J1字节,并且提供具有输出STS-3时钟的相位3的逻辑电路,以及三个J1字节 控制信号作为输入。 逻辑电路禁止从任何特定FIFO读取J1字节,除非所有FIFO在时钟的相位3具有高J1信号。
    • 7. 发明授权
    • Sonet alarm indication signal transmission method and apparatus
    • Sonet报警指示信号传输方法及装置
    • US5265096A
    • 1993-11-23
    • US725674
    • 1991-07-03
    • Bidyut Parruck
    • Bidyut Parruck
    • H04J3/14H04J3/16H04Q11/04H04J3/12
    • H04J3/14H04J3/1611H04J2203/005H04J2203/006
    • Methods and apparatus for quickly generating and transmitting SONET AIS signals are disclosed. Upon detecting a failure condition at the receiving side of a SONET terminating equipment, the SONET terminating equipment inserts an internal alarm control signal (e.g. a byte of all ones) into at least one predetermined transport overhead timeslot (e.g. E1). On the transmitting side, the transmitting SONET terminating equipment monitors the predetermined timeslot(s) and detects whether an indication of the internal alarm control signal has been received. If so, the transmitting SONET terminating equipment inserts an appropriate alarm in predetermined overhead and data timeslots of the outgoing SONET frame signal as specified by proposed AIS standards.
    • 公开了用于快速生成和发送SONET AIS信号的方法和装置。 在SONET终端设备的接收侧检测到故障状况时,SONET终端设备将内部报警控制信号(例如所有1的字节)插入到至少一个预定的传输开销时隙(例如E1)中。 在发送侧,发送SONET终端设备监视预定时隙并检测是否已经接收到内部报警控制信号的指示。 如果是这样,则发送SONET终端设备在由建议的AIS标准指定的输出SONET帧信号的预定开销和数据时隙中插入适当的报警。
    • 8. 发明申请
    • Set-top box support kit for LCD wall mounts
    • 液晶壁挂式机顶盒支持套件
    • US20110108688A1
    • 2011-05-12
    • US12590572
    • 2009-11-09
    • Bidyut Parruck
    • Bidyut Parruck
    • F16M13/00
    • F16M13/02F16M11/045F16M11/046F16M11/10F16M11/2014F16M11/2092F16M2200/061F16M2200/065F16M2200/068
    • A set-top box support kit for LCD wall mounts includes a container, support members and printed instructions. The support members attach to a user's pre-existing LCD wall mount and provide support for a set-top box. The LCD display attaches to the LCD wall mount and the set-top box is supported at an adjustable location near the perimeter of the display. An adjustment mechanism is provided so that a user may adjust the position of the set-top box in relation to the LCD display. The container provides for the storage and transport of the support member and printed instructions. Printed instructions inform the user on how to attach the support members to their LCD wall mount. A set-top box support kit allows a user to support their LCD display and set-top box on a single assembly.
    • 液晶壁挂机的机顶盒支持套件包括容器,支撑构件和印刷说明。 支撑构件附着在用户现有的LCD壁挂架上,并为机顶盒提供支持。 LCD显示器连接到LCD壁挂架,机顶盒在靠近显示器周边的可调节位置支撑。 提供了调节机构,使得用户可以相对于LCD显示器调节机顶盒的位置。 容器提供支撑构件和印刷说明书的储存和运输。 打印说明通知用户如何将支撑构件连接到其LCD墙壁安装。 机顶盒支持套件允许用户在单个组件上支持其LCD显示屏和机顶盒。
    • 10. 发明授权
    • Asynchronous transfer mode traffic shapers
    • 异步传输模式流量整形器
    • US07002916B2
    • 2006-02-21
    • US09753797
    • 2001-01-02
    • Bidyut ParruckPramod B. PhadkeSachin N. PradhanAkash BansalKishalay Haldar
    • Bidyut ParruckPramod B. PhadkeSachin N. PradhanAkash BansalKishalay Haldar
    • H04J1/16H04L12/28
    • H04L12/5602H04L2012/5651H04L2012/5672H04L2012/5679H04L2012/568H04Q11/0478
    • The invention relates, in one embodiment, a computer-implemented method for shaping the output of cells on an output path of a data transmitting device. The data transmitting device is configured for switching the cells from a plurality of input paths to the output path to a network. In one embodiment the method includes sorting a plurality of queues, each queue including a plurality of cells associated with a communication device. The plurality of queues are arranged according to a weight and a data rate associated with each plurality of cells resulting in a plurality of sorted queues of queues. An aggregate output of cells from each sorted queue of queues is regulated based upon the data rates of the queues of the each sorted queue of queues. And, the output of the aggregate output of cells from each sorted queue of queues is regulated based upon the weights of the each sorted queue of queues, such that the scheduled output is coupled to the output path. The scheduled output conforms to a plurality of characteristics of the network, such that the network is efficiently used to carry the cells from the plurality of input paths to a plurality of communication devices. Thereby, apparatuses and methods of traffic shaping are disclosed herein.
    • 本发明在一个实施例中涉及一种计算机实现的方法,用于对数据发送设备的输出路径上的单元的输出进行整形。 数据发送装置被配置为将小区从多个输入路径切换到到网络的输出路径。 在一个实施例中,该方法包括对多个队列进行排序,每个队列包括与通信设备相关联的多个单元。 多个队列根据权重和与每个多个小区相关联的数据速率被排列,导致多个排队的队列队列。 基于队列的每个排序队列的队列的数据速率来调整来自队列的每个排序队列的单元的聚合输出。 并且,基于队列的每个排序队列的权重来调整来自队列的每个排序队列的单元的聚合输出的输出,使得调度输出耦合到输出路径。 调度输出符合网络的多个特性,使得网络被有效地用于将小区从多个输入路径传送到多个通信设备。 因此,本文公开了流量整形的装置和方法。