公开(公告)号：US09132656B2

公开(公告)日：2015-09-15

申请号：US13149169

申请日：2011-05-31

申请人： Marvin Nicholson, III ,  Jason McReynolds ,  Robert Muyskens ,  Mark Doerre ,  Rickey Robbins ,  David Ward

发明人： Marvin Nicholson, III ,  Jason McReynolds ,  Robert Muyskens ,  Mark Doerre ,  Rickey Robbins ,  David Ward

IPC分类号： B41J2/175

CPC分类号： B41J2/17526 ,  B41J2/17566 ,  B41J2002/17579

摘要： A consumable supply item for an imaging device holds an initial or refillable volume of ink. A housing defines an interior having a pair of opposed electrodes. The electrodes have a capacitance that varies in response to an amount of liquid between them. A controller energizes one electrode and receives an output reading from the other. The controller processes the reading on board the housing and supplies it as a digital data stream to the imaging device during use. A memory stores calibration values for an empty and full housing. The controller writes back to the memory present fluid levels obtained from the output reading of the electrode. An enable output allows operation or not of a fluid pump in the imaging device. Materials, construction, modularity, and fluid communication ports are further embodiments, to name a few.

摘要翻译： 用于成像装置的消耗品供应物保持初始或可重新填充的油墨体积。 壳体限定具有一对相对电极的内部。 电极具有响应于它们之间的液体量而变化的电容。 一个控制器激励一个电极并从另一个电极接收输出读数。 控制器处理外壳上的读数，并在使用过程中将其作为数字数据流提供给成像设备。 存储器存储空的和完整的外壳的校准值。 控制器将从电极的输出读数获得的当前液位回写到存储器中。 启用输出允许在成像设备中操作或不操作流体泵。 材料，结构，模块化和流体通信端口是另外的实施例，仅举几个例子。

公开(公告)号：US08855014B2

公开(公告)日：2014-10-07

申请号：US13524071

申请日：2012-06-15

申请人： Stefano Previdi ,  Jean-Philippe Vasseur ,  Jan Medved ,  David Ward

发明人： Stefano Previdi ,  Jean-Philippe Vasseur ,  Jan Medved ,  David Ward

IPC分类号： H04L12/28 ,  H04L1/00

CPC分类号： H04L45/50 ,  H04L45/04

摘要： In one embodiment, a particular device in a computer network maintains a locally owned tunnel-state table, and joins a distributed hash table (DHT) ring. In addition, the locally owned tunnel-state table is shared with other devices of the DHT ring to establish a DHT-owned tunnel-state table. The particular device (and other devices) determines ownership of link-state advertisements (LSAs) for a specific portion of a traffic engineering database (TED) according to the DHT ring. As such, when the particular device (or any device) computes a path for a tunnel using a local TED, the particular device may request permission to use resources along the computed path that were advertised in particular LSAs from owners of those particular LSAs when not owned by the particular device.

摘要翻译： 在一个实施例中，计算机网络中的特定设备维护本地拥有的隧道状态表，并且连接分布式散列表（DHT）环。 此外，本地拥有的隧道状态表与DHT环的其他设备共享，以建立DHT拥有的隧道状态表。 特定设备（和其他设备）根据DHT环确定针对流量工程数据库（TED）的特定部分的链路状态通告（LSA）的所有权。 因此，当特定设备（或任何设备）使用本地TED计算隧道的路径时，特定设备可以请求允许沿着所计算的路径使用资源，这些资源在特定LSA的特定LSA中被发布，来自那些特定LSA的所有者 由特定设备拥有。

公开(公告)号：US20140248051A1

公开(公告)日：2014-09-04

申请号：US14275445

申请日：2014-05-12

申请人： Ornan Gerstel ,  Flavio Bonomi ,  David Ward

发明人： Ornan Gerstel ,  Flavio Bonomi ,  David Ward

IPC分类号： H04B10/079 ,  H04L12/707 ,  H04L12/803 ,  H04L12/721

CPC分类号： H04B10/0793 ,  H04B10/07955 ,  H04J14/0221 ,  H04J14/0227 ,  H04J14/0267 ,  H04J14/0284 ,  H04L45/22 ,  H04L45/245 ,  H04L45/70 ,  H04L47/10 ,  H04L47/125 ,  Y02D50/30

摘要： A method for communicating optically between nodes of an optical network, including forming, between a first node and a second node of the network, a set of lightpaths, each of the set of lightpaths having a respective configuration, and transferring communication traffic between the first and second nodes via the set of lightpaths. The method also includes forming a determination for the set of lightpaths that a communication traffic level associated therewith is less than a predetermined threshold, and in response to the determination, removing a lightpath having a given configuration from the set of lightpaths to form a reduced set of lightpaths. The method further includes transferring the communication traffic between the first and second nodes via the reduced set of lightpaths, while reducing a level of power consumption in the removed lightpath and while maintaining the given configuration of the removed lightpath.

摘要翻译： 一种用于在光网络的节点之间进行光学通信的方法，包括在所述网络的第一节点和所述第二节点之间形成一组光路，所述一组光路中的每一个具有相应的配置，并且在所述第一 以及经由一组光路的第二节点。 该方法还包括形成对于与其相关联的通信业务量小于预定阈值的光路集合的确定，并且响应于该确定，从所述一组光路中去除具有给定配置的光路以形成缩小集合 的光线。 该方法还包括经由减少的光路集合在第一节点和第二节点之间传送通信业务，同时降低去除的光路中的功率消耗水平，同时保持去除的光路的给定配置。

公开(公告)号：US08799422B1

公开(公告)日：2014-08-05

申请号：US13247475

申请日：2011-09-28

申请人： Hui Qu ,  Joel Obstfeld ,  David Ward ,  Mu Lin ,  Anjali Kulkarni

发明人： Hui Qu ,  Joel Obstfeld ,  David Ward ,  Mu Lin ,  Anjali Kulkarni

IPC分类号： G06F15/177

CPC分类号： G06F8/656 ,  H04L45/64 ,  H04L49/70

摘要： Techniques described in this disclosure relate to configuration updates, such as performing an in-service software upgrade on a device, using virtual machines. In a routing device, a routing engine utilizes a virtual machine executing on a hypervisor to provide control plane functions. In one example, an in-service software upgrade may be performed between a first virtual machine and a second virtual machine without a managing virtual machine. More specifically, a first virtual machine in the control plane of the router may control the upgrade process, including requesting initialization of the second virtual machine, installing a new software system on the second virtual machine, and replicating state data from the first virtual machine to the second virtual machine. In this example, the first virtual machine may operate as a master virtual machine and the second virtual machine may operate as a slave virtual machine that synchronizes with the master virtual machine.

摘要翻译： 本公开中描述的技术涉及配置更新，诸如使用虚拟机在设备上执行在职软件升级。 在路由设备中，路由引擎利用在管理程序上执行的虚拟机来提供控制平面功能。 在一个示例中，可以在没有管理虚拟机的第一虚拟机和第二虚拟机之间执行在役软件升级。 更具体地，路由器的控制平面中的第一虚拟机可以控制升级过程，包括请求初始化第二虚拟机，在第二虚拟机上安装新的软件系统，以及将状态数据从第一虚拟机复制到 第二个虚拟机。 在该示例中，第一虚拟机可以作为主虚拟机操作，并且第二虚拟机可以作为与主虚拟机同步的从属虚拟机来操作。

公开(公告)号：US08724990B2

公开(公告)日：2014-05-13

申请号：US12586041

申请日：2009-09-15

申请人： Ornan Gerstel ,  Flavio Bonomi ,  David Ward

发明人： Ornan Gerstel ,  Flavio Bonomi ,  David Ward

IPC分类号： H04J14/00

CPC分类号： H04B10/0793 ,  H04B10/07955 ,  H04J14/0221 ,  H04J14/0227 ,  H04J14/0267 ,  H04J14/0284 ,  H04L45/22 ,  H04L45/245 ,  H04L45/70 ,  H04L47/10 ,  H04L47/125 ,  Y02D50/30

摘要： A method for communicating optically between nodes of an optical network, including forming, between a first node and a second node of the network, a set of lightpaths, each of the set of lightpaths having a respective configuration, and transferring communication traffic between the first and second nodes via the set of lightpaths. The method also includes forming a determination for the set of lightpaths that a communication traffic level associated therewith is less than a predetermined threshold, and in response to the determination, removing a lightpath having a given configuration from the set of lightpaths to form a reduced set of lightpaths. The method further includes transferring the communication traffic between the first and second nodes via the reduced set of lightpaths, while reducing a level of power consumption in the removed lightpath and while maintaining the given configuration of the removed lightpath.

摘要翻译： 一种用于在光网络的节点之间进行光学通信的方法，包括在所述网络的第一节点和所述第二节点之间形成一组光路，所述一组光路中的每一个具有相应的配置，并且在所述第一 以及经由一组光路的第二节点。 该方法还包括形成对于与其相关联的通信业务量小于预定阈值的光路集合的确定，并且响应于该确定，从所述一组光路中去除具有给定配置的光路以形成缩小集合 的光线。 该方法还包括经由减少的光路集合在第一节点和第二节点之间传送通信业务，同时降低去除的光路中的功率消耗水平，同时保持去除的光路的给定配置。

公开(公告)号：US08654362B2

公开(公告)日：2014-02-18

申请号：US13186610

申请日：2011-07-20

申请人： David Ward ,  Rivadeneira Randell ,  Arthur R. Roberts

发明人： David Ward ,  Rivadeneira Randell ,  Arthur R. Roberts

IPC分类号： G06K15/02

摘要： Systems and methods are provided for error correction in a parallel RIP environment. The system comprises parallel RIPs and a serial RIP. The system receives a print job comprising logical pages, separates the print job into segments of logical pages, and distributes the segments to the parallel RIPs for interpretation and rasterization. The system further determines that a parallel RIP has encountered an error indicating that a segment includes multiple logical pages, and instructs the serial RIP to rasterize the segment responsive to detecting the error.

公开(公告)号：US20130088746A1

公开(公告)日：2013-04-11

申请号：US13253249

申请日：2011-10-05

申请人： David Ward ,  Randell Rivadeneira

发明人： David Ward ,  Randell Rivadeneira

IPC分类号： G06F3/12

CPC分类号： G06F3/1208 ,  G06F3/1222 ,  G06F3/1238 ,  G06F3/1256 ,  G06F3/1288

摘要： A computer generated method disclosed. The method includes receiving a print job data stream, determining if the print job data stream comprises a secure print job, and inserting a control operator to designate a secure print job data stream if the print job data stream comprises a secure print job.

摘要翻译： 公开了一种计算机生成方法。 该方法包括接收打印作业数据流，确定打印作业数据流是否包括安全打印作业，以及如果打印作业数据流包括安全打印作业，则插入控制操作器以指定安全打印作业数据流。

公开(公告)号：US08369521B2

公开(公告)日：2013-02-05

申请号：US12253860

申请日：2008-10-17

申请人： David Ward

发明人： David Ward

IPC分类号： H04L9/00

CPC分类号： G06F21/34 ,  G06F21/46 ,  G06F21/602 ,  G06F2221/2153 ,  G06Q20/02 ,  G06Q20/3823 ,  G06Q20/3829 ,  G06Q20/388 ,  G07F7/1091 ,  H04L9/0869 ,  H04L9/3226 ,  H04L9/3268 ,  H04L2209/56

摘要： An apparatus can include a smart card based encryption key management system used to generate an encryption key using encryption key seed material, and an encryption key data store to store the encryption key seed material. An apparatus can include a smart card based password management system used to generate a password using password seed material, and a password data store to store the password seed material.

摘要翻译： 一种装置可以包括用于使用加密密钥种子材料生成加密密钥的基于智能卡的加密密钥管理系统，以及用于存储加密密钥种子材料的加密密钥数据存储。 装置可以包括用于使用密码种子材料生成密码的基于智能卡的密码管理系统，以及用于存储密码种子材料的密码数据存储。

公开(公告)号：US08351438B2

公开(公告)日：2013-01-08

申请号：US12954128

申请日：2010-11-24

申请人： David Ward ,  David M. Katz

发明人： David Ward ,  David M. Katz

IPC分类号： H04L12/56

CPC分类号： H04L45/02 ,  H04L45/021 ,  H04L45/028 ,  H04L45/32 ,  H04L47/39

摘要： An enhanced, flooding-based link state routing protocol is described that provides pruning of link state data and, when needed, rate-controlled refresh of the pruned link state data from other routers of the flooding domain. A routing device comprises a network interface to send and receive packets over a layer-two (L2) communication medium. The routing device includes a control unit coupled to the network interface, and a flooding-based link state routing protocol executing on a processor of the control unit. The link-state routing protocol establishes an adjacency with a peer router. A database of the routing device includes entries that store a plurality of link state messages for a flooding domain of the link state routing protocol, wherein at least one of the entries in the database stores a partial link state message having a header portion and a payload having pruned link state data.

摘要翻译： 描述了一种增强的基于洪泛的链路状态路由协议，其提供链路状态数据的修剪，并且当需要时，对来自泛洪域的其他路由器的修剪的链路状态数据进行速率控制的刷新。 路由设备包括用于在二层（L2）通信介质上发送和接收分组的网络接口。 路由设备包括耦合到网络接口的控制单元和在控制单元的处理器上执行的基于洪泛的链路状态路由协议。 链路状态路由协议与对等体路由器建立邻接关系。 路由设备的数据库包括存储用于链路状态路由协议的泛洪域的多个链路状态消息的条目，其中数据库中的至少一个条目存储具有报头部分和有效载荷的部分链路状态消息 修剪了链接状态数据。

公开(公告)号：US08289839B2

公开(公告)日：2012-10-16

申请号：US11825389

申请日：2007-07-05

申请人： Puneet Gupta ,  Sunil K. Srivastava ,  David Ward ,  Reshad Rahman ,  David Toscano

发明人： Puneet Gupta ,  Sunil K. Srivastava ,  David Ward ,  Reshad Rahman ,  David Toscano

IPC分类号： G06F11/22

CPC分类号： H04L41/0659 ,  H04L41/0631

摘要： In one embodiment, an apparatus includes a physical port and a plurality of logical sub-interfaces under the physical port. The physical port and the logical sub-interfaces are configured as a Bidirectional Forwarding Detection (BFD) neighbor group. The physical port being configured to run BFD sessions to detect failures at a first rate that is substantially faster as compared to a second rate of BFD sessions to detect failures on the logical sub-interfaces. The physical port notifies the logical sub-interfaces of a BFD failure at the physical port, with the logical sub-interfaces shutting down responsive to the notification.

摘要翻译： 在一个实施例中，装置包括物理端口和物理端口下的多个逻辑子接口。 物理端口和逻辑子接口配置为双向转发检测（BFD）邻居组。 物理端口被配置为运行BFD会话，以与第二速率的BFD会话相比快速地检测故障，以检测逻辑子接口上的故障。 物理端口在物理端口通知逻辑子接口发生BFD故障，逻辑子接口响应通知关闭。