公开(公告)号：US20080091826A1

公开(公告)日：2008-04-17

申请号：US11952641

申请日：2007-12-07

申请人： Daniel Dias ,  Richard King ,  Zhen Liu ,  Mark Squillante ,  Honghui Xia ,  Shun-Zheng Yu ,  Li Zhang

发明人： Daniel Dias ,  Richard King ,  Zhen Liu ,  Mark Squillante ,  Honghui Xia ,  Shun-Zheng Yu ,  Li Zhang

IPC分类号： G06F15/173

CPC分类号： H04L29/06 ,  H04L41/142 ,  H04L43/16 ,  H04L47/122 ,  H04L67/1002 ,  H04L67/1008 ,  H04L67/101 ,  H04L67/1012 ,  H04L67/1021 ,  H04L67/1023 ,  H04L67/1029 ,  H04L67/22 ,  H04L69/329 ,  H04L2029/06054

摘要： Apparatus and methods for identifying traffic patterns to web sites based on templates that characterize the arrival of traffic to the web sites are provided. Based on these templates, determinations are made as to which web sites should be co-located so as to optimize resource allocation. Specifically, web sites whose templates are complimentary, i.e. a first web site having a peak in arrival traffic at time t1 and a second web site that has a trough in arrival traffic at time t1, are designated as being candidates for co-location. In addition, the present invention uses the templates identified for the traffic patterns of web sites to determine thresholds for offloading traffic to other servers. These thresholds include a first threshold at which offloading should be performed, a second threshold that takes into consideration the lead time needed to begin offloading, and a third threshold that takes into consideration a lag time needed to stop all offloading of traffic to the other servers.

摘要翻译： 提供了基于表征网站到达流量的模板来识别网站的流量模式的装置和方法。 基于这些模板，确定哪些网站应该位于同一位置，以优化资源分配。 具体来说，其模板是免费的，即在时间t 1处具有到达业务峰值的第一网站和在时间t 1处具有到达业务的波谷的第二网站被指定为用于共同定位的候选 。 此外，本发明使用为网站的流量模式识别的模板来确定将流量卸载到其他服务器的阈值。 这些阈值包括应当执行卸载的第一阈值，考虑到开始卸载所需的前置时间的第二阈值，以及考虑到停止对其他服务器的所有卸载流量所需的滞后时间的第三阈值 。

公开(公告)号：US07296256B2

公开(公告)日：2007-11-13

申请号：US10689807

申请日：2003-10-20

申请人： Zhen Liu ,  Petar Momcilovic ,  Honghui Xia ,  Li Zhang

发明人： Zhen Liu ,  Petar Momcilovic ,  Honghui Xia ,  Li Zhang

IPC分类号： G06F9/44 ,  G06F9/45

CPC分类号： G06Q10/04

摘要： Method for modeling the performance of an Information Technology system are disclosed. The method includes the steps of receiving performance data of the system; receiving data of transaction flows and system topology; and inferring service demand parameters based on the received data. If closed form expressions are available to characterize the system, an optimization algorithm based on minimum distance between predicted and measured response times and may be used to obtain the performance parameters. Alternatively, a discrete event simulator together with a set of meta-heuristic search methods may be applied to obtain the optimized performance parameters.

摘要翻译： 公开了对信息技术系统性能进行建模的方法。 该方法包括接收系统的性能数据的步骤; 接收事务流和系统拓扑的数据; 并根据接收的数据推断服务需求参数。 如果封闭式表达式可用于表征系统，则基于预测和测量响应时间之间的最小距离的优化算法，并且可以用于获得性能参数。 或者，可以应用离散事件模拟器以及一组元启发式搜索方法来获得优化的性能参数。

公开(公告)号：US08352607B2

公开(公告)日：2013-01-08

申请号：US11952641

申请日：2007-12-07

申请人： Daniel Manuel Dias ,  Richard Pervin King ,  Zhen Liu ,  Mark Steven Squillante ,  Honghui Xia ,  Shun-Zheng Yu ,  Li Zhang

发明人： Daniel Manuel Dias ,  Richard Pervin King ,  Zhen Liu ,  Mark Steven Squillante ,  Honghui Xia ,  Shun-Zheng Yu ,  Li Zhang

IPC分类号： G06F15/173 ,  G01R31/08 ,  G06F7/00

CPC分类号： H04L29/06 ,  H04L41/142 ,  H04L43/16 ,  H04L47/122 ,  H04L67/1002 ,  H04L67/1008 ,  H04L67/101 ,  H04L67/1012 ,  H04L67/1021 ,  H04L67/1023 ,  H04L67/1029 ,  H04L67/22 ,  H04L69/329 ,  H04L2029/06054

摘要： Identifying traffic patterns to web sites based on templates that characterize the arrival of traffic to the web sites is provided. Based on these templates, determinations are made as to which web sites should be co-located so as to optimize resource allocation. Web sites whose templates are complimentary, i.e. a first web site having a peak in arrival traffic at time t1 and a second web site that has a trough in arrival traffic at time t1, are designated as being candidates for co-location. In addition, the templates identified for the traffic patterns of web sites are used to determine thresholds for offloading traffic to other servers. These thresholds include a first threshold at which offloading should be performed, a second threshold that takes into consideration the lead time needed to begin offloading, and a third threshold that takes into consideration a lag time needed to stop offloading of traffic.

摘要翻译： 提供了基于将流量到达网站到达的模板来识别网站的流量模式。 基于这些模板，确定哪些网站应该位于同一位置，以优化资源分配。 其模板是免费的网站，即在时间t1具有到达业务峰值的第一网站和在时间t1具有到达业务中的波谷的第二网站被指定为用于共同定位的候选。 此外，为网站的流量模式标识的模板用于确定将流量卸载到其他服务器的阈值。 这些阈值包括应当执行卸载的第一阈值，考虑开始卸载所需的前置时间的第二阈值以及考虑到停止流量卸载所需的滞后时间的第三阈值。

公开(公告)号：US07920960B2

公开(公告)日：2011-04-05

申请号：US12038559

申请日：2008-02-27

申请人： Zhen Liu ,  Laura Wynter ,  Li Zhang

发明人： Zhen Liu ,  Laura Wynter ,  Li Zhang

IPC分类号： G06F19/00

CPC分类号： G08G1/123

摘要： The present invention is a method and an apparatus for predicting future travel times over a transportation network. In one embodiment, a method for predicting future travel times over a transportation network includes receiving a data point indicating a real-time volume of traffic on the link at a given time and updating a template representative of an observed traffic pattern on the link in accordance with the received data point. A future travel time over the link can then be estimated in accordance with the updated template. Thus, the template is able to adapt to dynamically changing traffic patterns, taking these changing traffic patterns into account when making predictions of future traffic patterns.

摘要翻译： 本发明是用于预测运输网络上的未来旅行时间的方法和装置。 在一个实施例中，用于预测运输网络上的未来旅行时间的方法包括在给定时间接收指示链路上的实时流量的数据点，并且根据链路更新表示链路上观察到的业务模式的模板 与收到的数据点。 然后可以根据更新的模板来估计链接上的未来旅行时间。 因此，模板能够适应动态变化的流量模式，在对未来流量模式进行预测时考虑到这些变化的流量模式。

公开(公告)号：US20070168494A1

公开(公告)日：2007-07-19

申请号：US11315692

申请日：2005-12-22

申请人： Zhen Liu ,  Honghui Xia ,  Fan Zhang ,  Li Zhang

发明人： Zhen Liu ,  Honghui Xia ,  Fan Zhang ,  Li Zhang

IPC分类号： G06F15/173

CPC分类号： G06Q10/06 ,  Y02P90/86

摘要： A system and method for performance modeling for an information technology (IT) system having a server(s) for performing a number of types of transactions includes receiving data for system topology and transaction flows and receiving performance measurement data for the IT system. The measurement data is clustered into multiple regimes based on similarities. Service demand and network delay parameters may be inferred based on clustered data.

摘要翻译： 用于具有用于执行多种类型的事务的服务器的信息技术（IT）系统的性能建模的系统和方法包括接收用于系统拓扑和事务流的数据以及接收IT系统的性能测量数据。 基于相似度将测量数据聚类成多个体系。 服务需求和网络延迟参数可以基于聚类数据来推断。

公开(公告)号：US07194649B2

公开(公告)日：2007-03-20

申请号：US10157610

申请日：2002-05-29

申请人： Zhen Liu ,  Cathy Honghui Xia ,  Li Zhang

发明人： Zhen Liu ,  Cathy Honghui Xia ,  Li Zhang

IPC分类号： G06F1/12

CPC分类号： G06F1/10

摘要： Several algorithms are provided to estimate and remove relative clock skews from delay measurements based on the computation of convex hulls. The algorithms are linear in the number of measurement points for the case with no clock resets. For the more challenging case with clock resets, i.e., the clocks are reset to some reference times during the measurement period, linear algorithms are provided to identify the clock resets and derive the best clock skew lines. The algorithms are also extended to environments in which at least one of the clocks is controlled by Network Time Protocol. These algorithms can also be extended for active clock synchronization to replace or further improve Network Time Protocol.

摘要翻译： 提供了几种算法来估计和消除基于凸包计算的延迟测量的相对时钟偏差。 对于没有时钟复位的情况，算法在测量点的数量上是线性的。 对于具有时钟复位的更具挑战性的情况，即在测量周期期间将时钟重置为某些参考时间，提供线性算法以识别时钟复位并导出最佳时钟偏斜线。 这些算法还扩展到其中至少一个时钟由网络时间协议控制的环境。 这些算法也可以被扩展以用于主动时钟同步来替代或进一步改进网络时间协议。

公开(公告)号：US20060178806A1

公开(公告)日：2006-08-10

申请号：US11052309

申请日：2005-02-07

申请人： Zhen Liu ,  Laura Wynter ,  Li Zhang

发明人： Zhen Liu ,  Laura Wynter ,  Li Zhang

IPC分类号： G06F17/00

CPC分类号： G08G1/123

摘要： The present invention is a method and an apparatus for predicting future travel times over a transportation network. In one embodiment, a method for predicting future travel times over a transportation network includes receiving a data point indicating a real-time volume of traffic on the link at a given time and updating a template representative of an observed traffic pattern on the link in accordance with the received data point. A future travel time over the link can then be estimated in accordance with the updated template. Thus, the template is able to adapt to dynamically changing traffic patterns, taking these changing traffic patterns into account when making predictions of future traffic patterns.

摘要翻译： 本发明是用于预测运输网络上的未来旅行时间的方法和装置。 在一个实施例中，用于预测运输网络上的未来旅行时间的方法包括在给定时间接收指示链路上的实时流量的数据点，并且根据链路更新表示链路上观察到的业务模式的模板 与收到的数据点。 然后可以根据更新的模板来估计链接上的未来旅行时间。 因此，模板能够适应动态变化的流量模式，在对未来流量模式进行预测时考虑到这些变化的流量模式。

公开(公告)号：US10203973B2

公开(公告)日：2019-02-12

申请号：US15460516

申请日：2017-03-16

申请人： Hao Liu ,  Zhen Liu

发明人： Hao Liu ,  Zhen Liu

IPC分类号： G06F9/455 ,  G06F12/00 ,  G06F9/46 ,  G06F11/07 ,  G06F21/55 ,  G06F21/60

摘要： A service virtual machine provides service to any number of virtual machines on a hypervisor over a first communication channel. When an anomaly is detected within the provided service, any virtual machine using the first communication channel switches to a second communication channel and receives service from a second virtual machine. The second virtual machine may execute upon the same computer or on a different computer. Hooking points within the hypervisor provide a means for the service virtual machines to monitor traffic and provide service to the protected virtual machines. When a service virtual machine is suspended, it is repopulated, upgraded or rebooted, and then restored to service. Once restored, any protected virtual machine may be switched back to the restored service virtual machine. Virtual machines may be switched to a different communication channel by modifying a configuration file. Both communication channels may be in use at the same time.

公开(公告)号：US10073608B2

公开(公告)日：2018-09-11

申请号：US13579453

申请日：2010-03-08

申请人： Wei Wang ,  Kongqiao Wang ,  Xiaohui Xie ,  Yingfei Liu ,  Xia Wang ,  Huanglingzi Liu ,  Bin Wang ,  Zhen Liu ,  Yuezhong Tang

发明人： Wei Wang ,  Kongqiao Wang ,  Xiaohui Xie ,  Yingfei Liu ,  Xia Wang ,  Huanglingzi Liu ,  Bin Wang ,  Zhen Liu ,  Yuezhong Tang

IPC分类号： G06F3/048 ,  G06F3/0488 ,  G06F1/16 ,  G06F3/0482

CPC分类号： G06F3/0488 ,  G06F1/1626 ,  G06F3/0482 ,  G06F2200/1637

摘要： An apparatus, a method, a computer program and a graphical user interface is provided. The apparatus comprises at least one processor; and at least one memory storing computer program instructions, the at least one processor being configured to execute the computer program instructions to cause the apparatus at least to perform: controlling a display to display one or more graphical items from a first layer of a hierarchical menu system; in response to user selection of a first graphical item from the first layer of the hierarchical menu system, entering a second layer of the hierarchical menu system, wherein entering the second layer of the hierarchical menu system comprises displaying one or more further graphical items, from the second layer of the hierarchical menu system, associated with the first graphical item; detecting a change in inclination of the apparatus, while the one or more graphical items from the first layer of the hierarchical menu system are displayed on the display; and controlling, after detecting the change in inclination of the apparatus, the display to display a preview comprising the one or more further graphical items, associated with the first graphical item, from the second layer of the hierarchical menu system.

公开(公告)号：US09734352B2

公开(公告)日：2017-08-15

申请号：US14403024

申请日：2014-06-27

申请人： MICROSOFT TECHNOLOGY LICENSING, LLC ,  Jerry Huang ,  Zhen Liu ,  QingHu Li ,  Chen Liu

发明人： Jerry Huang ,  Zhen Liu ,  QingHu Li ,  Chen Liu

IPC分类号： G06F21/74 ,  G06F21/62 ,  G06F21/84 ,  G06K9/00 ,  H04N7/18 ,  G06F3/0484

CPC分类号： G06F21/6245 ,  G06F3/04847 ,  G06F21/31 ,  G06F21/36 ,  G06F21/74 ,  G06F21/84 ,  G06F2221/2143 ,  G06K9/00221 ,  G06K9/00255 ,  G06K9/00295 ,  G06K9/00335 ,  G06K9/00362 ,  H04N7/18 ,  H04W12/06

摘要： A computing device is described herein that automatically enters a data protection mode in response to determining that a certain number of persons are located proximate to the computing device, that an owner or authorized user is not located proximate to the computing device, or that a certain user gesture has or has not been recognized. When the device enters the data protection mode, sensitive data stored on the device is automatically rendered invisible and/or inaccessible to a user thereof. The sensitive data may be rendered invisible and/or inaccessible in a manner that is not likely to be apparent to the user of the computing device.