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公开(公告)号：US08327390B2
公开(公告)日：2012-12-04
申请号：US12492045
申请日：2009-06-25
IPC分类号： G06F3/00
CPC分类号： G06F9/4411 , G06F9/4401
摘要： Extensions to operating systems or software applications can be hosted in virtual environments to fault isolate the extension. A generic proxy extension invoked by a host process can coordinate the invocation of an appropriate extension in a virtual process that can provide the same support APIs as the host process. Furthermore, a user mode context can be provided to the extension in the virtual process through memory copying or page table modifications. In addition, the virtual process, especially a virtual operating system process running on a virtual machine, can be efficiently started by cloning a coherent state. A coherent state can be created when a virtual machine starts up, or when the computing device starts up and the appropriate parameters are observed and saved. Alternatively, the operating system can create a coherent state by believing there is an additional CPU during the boot process.
摘要翻译： 操作系统或软件应用程序的扩展可以托管在虚拟环境中，以隔离扩展。 由主机进程调用的通用代理扩展可以协调在虚拟进程中调用适当的扩展，该虚拟进程可以提供与主机进程相同的支持API。 此外，可以通过存储器复制或页表修改在虚拟过程中向用户模式上下文提供。 此外，可以通过克隆一致的状态来有效地启动虚拟进程，特别是在虚拟机上运行的虚拟操作系统进程。 当虚拟机启动时，或者计算设备启动并且观察并保存适当的参数时，可以创建一致的状态。 或者，操作系统可以通过相信在引导过程中有额外的CPU来创建一致的状态。
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公开(公告)号：US20090265715A1
公开(公告)日：2009-10-22
申请号：US12492045
申请日：2009-06-25
申请人： Ulfar Erlingsson , Edward P. Wobber , Paul Barham , Thomas Roeder
发明人： Ulfar Erlingsson , Edward P. Wobber , Paul Barham , Thomas Roeder
CPC分类号： G06F9/4411 , G06F9/4401
摘要： Extensions to operating systems or software applications can be hosted in virtual environments to fault isolate the extension. A generic proxy extension invoked by a host process can coordinate the invocation of an appropriate extension in a virtual process that can provide the same support APIs as the host process. Furthermore, a user mode context can be provided to the extension in the virtual process through memory copying or page table modifications. In addition, the virtual process, especially a virtual operating system process running on a virtual machine, can be efficiently started by cloning a coherent state. A coherent state can be created when a virtual machine starts up, or when the computing device starts up and the appropriate parameters are observed and saved. Alternatively, the operating system can create a coherent state by believing there is an additional CPU during the boot process.
摘要翻译： 操作系统或软件应用程序的扩展可以托管在虚拟环境中，以隔离扩展。 由主机进程调用的通用代理扩展可以协调在虚拟进程中调用适当的扩展，该虚拟进程可以提供与主机进程相同的支持API。 此外，可以通过存储器复制或页表修改在虚拟过程中向用户模式上下文提供。 此外，可以通过克隆一致的状态来有效地启动虚拟进程，特别是在虚拟机上运行的虚拟操作系统进程。 当虚拟机启动时，或者计算设备启动并且观察并保存适当的参数时，可以创建一致的状态。 或者，操作系统可以通过相信在引导过程中有额外的CPU来创建一致的状态。
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公开(公告)号：US07574709B2
公开(公告)日：2009-08-11
申请号：US10837971
申请日：2004-04-30
申请人： Ulfar Erlingsson , Edward P. Wobber , Paul Barham , Thomas Roeder
发明人： Ulfar Erlingsson , Edward P. Wobber , Paul Barham , Thomas Roeder
CPC分类号： G06F9/4411 , G06F9/4401
摘要： Extensions to operating systems or software applications can be hosted in virtual environments to fault isolate the extension. The virtual environment in which extensions designed to control hardware devices can safely execute can be efficiently created during an initial startup sequence of a host environment by indicating to the host environment that a second processing unit is present in the computing system allowing the host environment to create a coherent state. A virtual process, especially a virtual operating system process running on a virtual machine, can be efficiently started by the created coherent state. A coherent state can be created when an operating system starts up and the appropriate parameters are observed and saved. Alternatively, an operating system of the host environment can create the coherent state by receiving indication of the second processing unit during the boot process.
摘要翻译： 操作系统或软件应用程序的扩展可以托管在虚拟环境中，以隔离扩展。 通过向主机环境指示在计算系统中存在允许主机环境创建的第二处理单元，可以在主机环境的初始启动顺序期间有效地创建用于控制硬件设备的扩展的安全执行的虚拟环境 一个连贯的状态。 可以通过创建的相干状态有效地启动虚拟进程，特别是在虚拟机上运行的虚拟操作系统进程。 当操作系统启动并且观察并保存适当的参数时，可以创建相干状态。 或者，主机环境的操作系统可以通过在引导过程期间接收第二处理单元的指示来创建相干状态。
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公开(公告)号：US20050246718A1
公开(公告)日：2005-11-03
申请号：US10837971
申请日：2004-04-30
申请人： Ulfar Erlingsson , Edward Wobber , Paul Barham , Thomas Roeder
发明人： Ulfar Erlingsson , Edward Wobber , Paul Barham , Thomas Roeder
CPC分类号： G06F9/4411 , G06F9/4401
摘要： Extensions to operating systems or software applications can be hosted in virtual environments to fault isolate the extension. A generic proxy extension invoked by a host process can coordinate the invocation of an appropriate extension in a virtual process that can provide the same support APIs as the host process. Furthermore, a user mode context can be provided to the extension in the virtual process through memory copying or page table modifications. In addition, the virtual process, especially a virtual operating system process running on a virtual machine, can be efficiently started by cloning a coherent state. A coherent state can be created when a virtual machine starts up, or when the computing device starts up and the appropriate parameters are observed and saved. Alternatively, the operating system can create a coherent state by believing there is an additional CPU during the boot process.
摘要翻译： 操作系统或软件应用程序的扩展可以托管在虚拟环境中，以隔离扩展。 由主机进程调用的通用代理扩展可以协调在虚拟进程中调用适当的扩展，该虚拟进程可以提供与主机进程相同的支持API。 此外，可以通过存储器复制或页表修改在虚拟过程中向用户模式上下文提供。 此外，可以通过克隆一致的状态来有效地启动虚拟进程，特别是在虚拟机上运行的虚拟操作系统进程。 当虚拟机启动时，或者计算设备启动并且观察并保存适当的参数时，可以创建一致的状态。 或者，操作系统可以通过相信在引导过程中有额外的CPU来创建一致的状态。
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公开(公告)号：US08933931B2
公开(公告)日：2015-01-13
申请号：US13688093
申请日：2012-11-28
申请人： Alexandru Balan , Jason Flaks , Steve Hodges , Michael Isard , Oliver Williams , Paul Barham , Shahram Izadi , Otmar Hiliges , David Molyneaux , David Kim
发明人： Alexandru Balan , Jason Flaks , Steve Hodges , Michael Isard , Oliver Williams , Paul Barham , Shahram Izadi , Otmar Hiliges , David Molyneaux , David Kim
CPC分类号： G06T19/006 , G06F3/005 , G06F3/0304 , G09G3/003 , G09G2340/12 , G09G2340/125 , G09G2340/14 , G09G2354/00
摘要： A system and method for providing an augmented reality environment in which the environmental mapping process is decoupled from the localization processes performed by one or more mobile devices is described. In some embodiments, an augmented reality system includes a mapping system with independent sensing devices for mapping a particular real-world environment and one or more mobile devices. Each of the one or more mobile devices utilizes a separate asynchronous computing pipeline for localizing the mobile device and rendering virtual objects from a point of view of the mobile device. This distributed approach provides an efficient way for supporting mapping and localization processes for a large number of mobile devices, which are typically constrained by form factor and battery life limitations.
摘要翻译： 描述了一种用于提供增强现实环境的系统和方法，其中环境映射过程与由一个或多个移动设备执行的定位处理分离。 在一些实施例中，增强现实系统包括具有用于映射特定现实世界环境和一个或多个移动设备的独立感测设备的映射系统。 一个或多个移动设备中的每一个利用单独的异步计算流水线来定位移动设备并从移动设备的角度呈现虚拟对象。 这种分布式方法提供了一种有效的方式来支持大量移动设备的映射和定位过程，这些移动设备通常受形状因素和电池寿命限制的限制。
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公开(公告)号：US08649380B2
公开(公告)日：2014-02-11
申请号：US13300608
申请日：2011-11-20
申请人： Richard Mortier , Rebecca Isaacs , Paul Barham
发明人： Richard Mortier , Rebecca Isaacs , Paul Barham
IPC分类号： H04L12/28
CPC分类号： H04L41/042 , H04L41/0213 , H04L41/12 , H04L43/0811 , H04L45/02 , H04L45/44
摘要： Hosts or end-systems residing at the edges of a network gather data about the traffic they transmit into and receive from the network. The network's routing protocol (typically a link-state protocol such as OSPF) is monitored and routing data or packets are used to recover the network's current status and topology. This data can be collected, fused, and maintained and a platform, preferably distributed, can be provided to query the data, thus enabling a variety of network management applications.
摘要翻译： 驻留在网络边缘的主机或终端系统收集关于它们从网络发送和接收的流量的数据。 监控网络的路由协议（通常是链路状态协议，如OSPF），并使用路由数据或数据包来恢复网络的当前状态和拓扑。 可以收集，融合和维护该数据，并且可以提供优选分布的平台来查询数据，从而实现各种网络管理应用。
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公开(公告)号：US20120159595A1
公开(公告)日：2012-06-21
申请号：US12972526
申请日：2010-12-20
申请人： Paul Barham
发明人： Paul Barham
CPC分类号： H04L67/1095 , H04L63/08 , H04L67/06 , H04L67/2814
摘要： A data transfer system is described herein that allows data to be sent directly between two computing devices at the request of a third party client computer. The system allows a third party to initiate data transfers between computers in a network file system. This results in a significant speed increase because little to no data travels over the third party's potentially slower connection. The data transfer system provides a mechanism to determine if the direct transfer would be more efficient than two separate read and write operations, based on measurements of bandwidth and latency between each computing device. The data transfer system provides support for the source server to compress the data and the destination server to decompress the data at the direction of a third party client to further save network bandwidth.
摘要翻译： 本文描述了允许在第三方客户端计算机的请求下在两个计算设备之间直接发送数据的数据传送系统。 系统允许第三方在网络文件系统中的计算机之间启动数据传输。 这导致显着的速度增加，因为几乎没有数据传播通过第三方的潜在较慢的连接。 基于每个计算设备之间的带宽和延迟的测量，数据传输系统提供了一种机制，以确定直接传输是否比两个单独的读取和写入操作更有效。 数据传输系统提供对源服务器的压缩数据和目的服务器的支持，以在第三方客户端的方向解压缩数据，以进一步节省网络带宽。
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公开(公告)号：US20120159156A1
公开(公告)日：2012-06-21
申请号：US12972534
申请日：2010-12-20
申请人： Paul Barham , Joseph N. Figueroa
发明人： Paul Barham , Joseph N. Figueroa
CPC分类号： G06F21/6218 , G06F21/604 , G06F2221/0708 , G06F2221/2111 , H04L63/107
摘要： A secure location system is described herein that leverages location-based services and hardware to make access decisions. Many mobile computers have location devices, such as GPS. They also have a trusted platform module (TPM) or other security device. Currently GPS location data is made directly accessible to untrusted application code using a simple protocol. The secure location system provides a secure mechanism whereby the GPS location of a computer at a specific time can be certified by the operating system kernel and TPM. The secure location system logs user activity with a label indicating the geographic location of the computing device at the time of the activity. The secure location system can provide a difficult to forge, time-stamped location through a combination of kernel-mode GPS access and TPM security hardware. Thus, the secure location system incorporates secure location information into authorization and other operating system decisions.
摘要翻译： 本文描述了利用基于位置的服务和硬件来进行访问决定的安全定位系统。 许多移动计算机具有诸如GPS的定位设备。 它们还具有可信平台模块（TPM）或其他安全设备。 目前，GPS位置数据可以使用简单的协议直接访问不受信任的应用程序代码。 安全定位系统提供了一种安全机制，由此可以通过操作系统内核和TPM来认证计算机在特定时间的GPS位置。 安全位置系统使用指示活动时计算设备的地理位置的标签记录用户活动。 安全定位系统可以通过内核模式GPS访问和TPM安全硬件的组合来提供难以伪造的时间戳位置。 因此，安全定位系统将安全位置信息合并到授权和其他操作系统决策中。
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公开(公告)号：US09686355B2
公开(公告)日：2017-06-20
申请号：US12972526
申请日：2010-12-20
申请人： Paul Barham
发明人： Paul Barham
CPC分类号： H04L67/1095 , H04L63/08 , H04L67/06 , H04L67/2814
摘要： A data transfer system is described herein that allows data to be sent directly between two computing devices at the request of a third party client computer. The system allows a third party to initiate data transfers between computers in a network file system. This results in a significant speed increase because little to no data travels over the third party's potentially slower connection. The data transfer system provides a mechanism to determine if the direct transfer would be more efficient than two separate read and write operations, based on measurements of bandwidth and latency between each computing device. The data transfer system provides support for the source server to compress the data and the destination server to decompress the data at the direction of a third party client to further save network bandwidth.
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公开(公告)号：US09268613B2
公开(公告)日：2016-02-23
申请号：US12972563
申请日：2010-12-20
申请人： Paul Barham , Joseph N. Figueroa
发明人： Paul Barham , Joseph N. Figueroa
CPC分类号： G06F9/5044 , G06F9/5066 , G06F2209/501 , G06F2209/503
摘要： A personal datacenter system is described herein that provides a framework for leveraging multiple heterogeneous computers in a dynamically changing environment together as an ad-hoc cluster for performing parallel processing of various tasks. A home environment is much more heterogeneous and dynamic than a typical datacenter, and typical datacenter scheduling strategies do not work well for these types of small clusters. Machines in a home are likely to be powered on and off, be removed and taken elsewhere, and be connected by an ad-hoc network topology with a mix of wired and wireless technologies. The personal data center system provides components to overcome these differences. The system identifies a dynamically available set of machines, characterizes their performance, discovers the network topology, and monitors the available communications bandwidth between machines. This information is then used to compute an efficient execution plan for data-parallel and/or High Performance Computing (HPC)-style applications.
摘要翻译： 本文描述了个人数据中心系统，其提供了用于在动态变化的环境中一起作为用于执行各种任务的并行处理的自组群的多个异构计算机的框架。 家庭环境比典型的数据中心更加异构和动态，而典型的数据中心调度策略对于这些类型的小型集群来说并不奏效。 家庭中的机器可能被开启和关闭，被移除并在其他地方使用，并通过有线和无线技术的组合通过自组织网络拓扑连接。 个人数据中心系统提供组件来克服这些差异。 系统识别动态可用的机器集，表征其性能，发现网络拓扑，并监视机器之间可用的通信带宽。 然后，该信息用于计算数据并行和/或高性能计算（HPC）应用程序的高效执行计划。
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