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    Maintaining session state information in a client server system
    4.
    发明申请
    Maintaining session state information in a client server system 审中-公开
    在客户端服务器系统中维护会话状态信息

    公开(公告)号：US20080195740A1

    公开(公告)日：2008-08-14

    申请号：US11706141

    申请日：2007-02-12

    申请人： David E. Lowell ,  James Roseborough ,  Gavin Peacock

    发明人： David E. Lowell ,  James Roseborough ,  Gavin Peacock

    IPC分类号： G06F15/16

    CPC分类号： H04L29/06 ,  H04L63/0428 ,  H04L63/0853 ,  H04L63/102 ,  H04L67/14 ,  H04L67/142

    摘要： Techniques and mechanisms are provided for maintaining session state information in a client server system. Session state information such as session state, time stamp information, activity state, counters, etc. are generated and updated by a server. The session state information is sent in encrypted form to a client and the client maintains the encrypted information. The client is not able to decipher or alter the encrypted information. The client sends the encrypted session state information in requests to the server. The server is able to respond intelligently using session state information from the client. Session state information no longer has to be maintained or replicated by session state managers associated with servers.

    摘要翻译： 提供了在客户端服务器系统中维护会话状态信息的技术和机制。 会话状态信息，时间戳信息，活动状态，计数器等由服务器生成和更新。 会话状态信息以加密形式发送给客户端，客户机维护加密信息。 客户端无法解密或更改加密信息。 客户端将请求中的加密会话状态信息发送给服务器。 服务器能够智能地使用来自客户端的会话状态信息。 会话状态信息不再需要由与服务器关联的会话状态管理器维护或复制。

    Runtime virtualization and devirtualization of I/O devices by a virtual machine monitor
    6.
    发明授权
    Runtime virtualization and devirtualization of I/O devices by a virtual machine monitor 有权
    虚拟机监视器对运行时虚拟化和I / O设备进行虚拟化

    公开(公告)号：US07793287B2

    公开(公告)日：2010-09-07

    申请号：US10676922

    申请日：2003-10-01

    申请人： David E. Lowell

    发明人： David E. Lowell

    IPC分类号： G06F9/455

    CPC分类号： G06F9/45537

    摘要： A virtual machine monitor can be used to commence virtualization of an I/O device of a computer at runtime. The virtual machine monitor can also be used to devirtualize an I/O device of a computer at runtime.

    摘要翻译： 可以使用虚拟机监视器在运行时开始对计算机的I / O设备进行虚拟化。 虚拟机监视器还可用于在运行时将计算机的I / O设备虚拟化。

    Process migration
    7.
    发明授权
    Process migration 有权
    流程迁移

    公开(公告)号：US07512769B1

    公开(公告)日：2009-03-31

    申请号：US10959714

    申请日：2004-10-06

    申请人： David E. Lowell ,  Yasushi Saito

    发明人： David E. Lowell ,  Yasushi Saito

    IPC分类号： G06F9/26 ,  G06F9/34 ,  G06F13/00 ,  G06F13/28

    CPC分类号： G06F9/4856 ,  G06F9/461 ,  G06F9/5077

    摘要： Migrating a process between separate logical address spaces involves saving information on a state of a process running in a first logical address space in machine memory mapped to the first logical address space, remapping the machine memory containing the saved information to a second logical address space, and recovering the process in the second logical address space from the saved information.

    摘要翻译： 在单独的逻辑地址空间之间迁移进程涉及保存关于在映射到第一逻辑地址空间的机器存储器中的第一逻辑地址空间中运行的进程的状态的信息，将包含保存的信息的机器存储器重新映射到第二逻辑地址空间， 并从保存的信息中恢复第二逻辑地址空间中的处理。

    Online computer maintenance utilizing a virtual machine monitor
    8.
    发明授权
    Online computer maintenance utilizing a virtual machine monitor 有权
    使用虚拟机监视器进行在线计算机维护

    公开(公告)号：US07451443B2

    公开(公告)日：2008-11-11

    申请号：US10676665

    申请日：2003-10-01

    申请人： David E. Lowell ,  Caroline M. Tic

    发明人： David E. Lowell ,  Caroline M. Tic

    IPC分类号： G06F9/44 ,  G06F3/00

    CPC分类号： G06F11/301 ,  G06F9/4401 ,  G06F9/4856 ,  G06F9/50 ,  G06F11/1484 ,  G06F11/3051

    摘要： Online computer maintenance is performed on at least one node. A virtual machine monitor is run; a first operating instance is run on the virtual machine monitor; and a second operating system instance is run on the virtual machine monitor as a substitute for the first instance. The maintenance is performed with respect to one of the instances while using the other of the instances.

    摘要翻译： 在至少一个节点上执行在线计算机维护。 运行虚拟机监视器; 第一个操作实例在虚拟机监视器上运行; 并且虚拟机监视器上运行第二个操作系统实例作为第一个实例的替代。 在使用另一个实例时，相对于其中一个实例执行维护。

    Resource allocation and protection in a multi-virtual environment
    9.
    发明授权
    Resource allocation and protection in a multi-virtual environment 有权
    多虚拟环境中的资源分配和保护

    公开(公告)号：US07376949B2

    公开(公告)日：2008-05-20

    申请号：US10676921

    申请日：2003-10-01

    申请人： David E. Lowell ,  Caroline M. Tice

    发明人： David E. Lowell ,  Caroline M. Tice

    IPC分类号： G06F9/455

    CPC分类号： G06F9/45558 ,  G06F2009/45579 ,  G06F2009/45587

    摘要： A computer includes hardware, a virtual machine monitor, and first and second operating system instances. The virtual machine monitor is used to expose a first operating system instance to a first hardware partition and prevent the first operating system instance from discovering a second hardware partition; and expose a second operating system instance to the second hardware partition and prevent the second operating system instance from discovering the first hardware partition. The virtual machine monitor is also used to share at least some of the hardware among the first and second operating system instances.

    摘要翻译： 计算机包括硬件，虚拟机监视器以及第一和第二操作系统实例。 虚拟机监视器用于将第一操作系统实例公开到第一硬件分区，并且防止第一操作系统实例发现第二硬件分区; 并将第二操作系统实例暴露给第二硬件分区，并防止第二操作系统实例发现第一硬件分区。 虚拟机监视器还用于在第一和第二操作系统实例之间共享至少一些硬件。

    Method of restoring processes within process domain
    10.
    发明授权
    Method of restoring processes within process domain 失效
    恢复流程域内流程的方法

    公开(公告)号：US07275183B2

    公开(公告)日：2007-09-25

    申请号：US10836538

    申请日：2004-04-30

    申请人： Jose Renato Santos ,  Dinesh Kumar Subhraveti ,  Yoshio Frank Turner ,  Gopalakrishnan Janakiraman ,  David E. Lowell

    发明人： Jose Renato Santos ,  Dinesh Kumar Subhraveti ,  Yoshio Frank Turner ,  Gopalakrishnan Janakiraman ,  David E. Lowell

    IPC分类号： G06F11/00

    CPC分类号： G06F11/1438

    摘要： A method of restoring processes within a process domain begins with a step of restoring a tree of processes in which at least two of the processes share at least a resource. The method continues with a step of restoring a checkpoint state of each resource used by the processes after a time when a possible need for a restoration state of the resource exists. According to an embodiment, the restoration state comprises information used by the method during the step of restoring the tree of processes. According to another embodiment, the restoration state comprises information used by the method during the step of restoring the checkpoint state of one or more particular resources. The method concludes with a step of resuming execution of each process after restoration of the checkpoint state of the resources used by the process.

    摘要翻译： 还原过程域内的进程的方法开始于恢复至少两个进程至少共享一个资源的进程树。 该方法继续在可能需要资源的恢复状态的时间之后恢复由进程使用的每个资源的检查点状态的步骤。 根据实施例，恢复状态包括在恢复进程树的步骤期间由该方法使用的信息。 根据另一个实施例，恢复状态包括在恢复一个或多个特定资源的检查点状态的步骤期间该方法使用的信息。 该方法的结束是在恢复处理使用的资源的检查点状态之后恢复执行每个进程的步骤。