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    • 6. 发明授权
    • System and methods for an overlay disk and cache using portable flash memory
    • 使用便携式闪存的重叠磁盘和缓存的系统和方法
    • US07480761B2
    • 2009-01-20
    • US11032775
    • 2005-01-10
    • Andrew BirrellEdward P. WobberMuthukaruppan AnnamalaiUlfar Erlingsson
    • Andrew BirrellEdward P. WobberMuthukaruppan AnnamalaiUlfar Erlingsson
    • G06F12/08G06F13/20
    • G06F12/0866G06F3/061G06F3/0656G06F3/0664G06F3/067G06F9/4451G06F9/45558G06F21/56G06F2009/45579G06F2212/2022G06F2212/2146G06F2212/222
    • A system is provided for reading and writing sectors which may be realized as either a disk device to the local operating system, or as a virtual disk device to a virtual machine. A user's computing environment is stored in the network in the form of a disk image, which may be a virtual disk image, for example. The virtual disk is realized on host computers through host-resident virtual machine monitors such as MICROSOFT VIRTUAL PC®. Portable memory devices, such as flash devices, buffer virtual disk writes and cache reads, greatly reducing the performance degradation associated with remote disk access. The cache is mobile so that it can be travel with the user. The flash device remembers commonly used virtual disk content fingerprints so that the host machine's local disk can be used to satisfy many common disk reads when ubiquitous static content is involved. Standard, frequently used software images might be distributed in advance to host machines. Flash disk contents are trickled back into the networked parent disk image in order to provide an automatic backup facility, adding the benefit of ensuring that the flash drive doesn't overflow.
    • 提供了用于读取和写入可以被实现为本地操作系统的磁盘设备或作为虚拟机的虚拟磁盘设备的扇区的系统。 例如,用户的计算环境以磁盘映像的形式存储在网络中,其可以是虚拟磁盘映像。 虚拟磁盘通过主机驻留的虚拟机监视器(如MICROSOFT VIRTUAL PC(R))在主机上实现。 便携式存储设备,如闪存设备,缓冲区虚拟磁盘写入和高速缓存读取,大大降低了与远程磁盘访问相关的性能下降。 缓存是移动的,以便它可以与用户一起旅行。 闪存设备会记住常用的虚拟磁盘内容指纹,以便当涉及到无处不在的静态内容时,可以使用主机的本地磁盘来满足许多常见的磁盘读取。 标准的,经常使用的软件映像可能预先分发到主机。 Flash磁盘内容会流回联网的父磁盘映像,以提供自动备份功能,增加了确保闪存驱动器不会溢出的优势。
    • 7. 发明授权
    • System and methods for an overlay disk and cache using portable flash memory
    • 使用便携式闪存的重叠磁盘和缓存的系统和方法
    • US07380051B2
    • 2008-05-27
    • US11058950
    • 2005-02-15
    • Andrew BirrellEdward P. WobberMuthukaruppan AnnamalaiUlfar Erlingsson
    • Andrew BirrellEdward P. WobberMuthukaruppan AnnamalaiUlfar Erlingsson
    • G06F12/14G06F12/16H04L9/32
    • G06F12/0866G06F3/061G06F3/0656G06F3/0664G06F3/067G06F9/4451G06F9/45558G06F21/56G06F2009/45579G06F2212/2022G06F2212/2146G06F2212/222
    • A system is provided for reading and writing sectors which may be realized as either a disk device to the local operating system, or as a virtual disk device to a virtual machine. A user's computing environment is stored in the network in the form of a disk image, which may be a virtual disk image, for example. The virtual disk is realized on host computers through host-resident virtual machine monitors such as MICROSOFT VIRTUAL PC®. Portable memory devices, such as flash devices, buffer virtual disk writes and cache reads, greatly reducing the performance degradation associated with remote disk access. The cache is mobile so that it can be travel with the user. The flash device remembers commonly used virtual disk content fingerprints so that the host machine's local disk can be used to satisfy many common disk reads when ubiquitous static content is involved. Standard, frequently used software images might be distributed in advance to host machines. Flash disk contents are trickled back into the networked parent disk image in order to provide an automatic backup facility, adding the benefit of ensuring that the flash drive doesn't overflow.
    • 提供了用于读取和写入可以被实现为本地操作系统的磁盘设备或作为虚拟机的虚拟磁盘设备的扇区的系统。 例如,用户的计算环境以磁盘映像的形式存储在网络中,其可以是虚拟磁盘映像。 虚拟磁盘通过主机驻留的虚拟机监视器(如MICROSOFT VIRTUAL PC(R))在主机上实现。 便携式存储设备,如闪存设备,缓冲区虚拟磁盘写入和高速缓存读取,大大降低了与远程磁盘访问相关的性能下降。 缓存是移动的,以便它可以与用户一起旅行。 闪存设备会记住常用的虚拟磁盘内容指纹,以便当涉及到无处不在的静态内容时,可以使用主机的本地磁盘来满足许多常见的磁盘读取。 标准的,经常使用的软件映像可能预先分发到主机。 Flash磁盘内容会流回联网的父磁盘映像,以提供自动备份功能,增加了确保闪存驱动器不会溢出的优势。
    • 10. 发明授权
    • Access control based on program properties
    • 基于程序属性的访问控制
    • US08239954B2
    • 2012-08-07
    • US11745048
    • 2007-05-07
    • Edward P. WobberAndrew BirrellMartin Abadi
    • Edward P. WobberAndrew BirrellMartin Abadi
    • H04L29/06
    • H04L63/101G06F21/6218
    • A pattern matching access control system determines whether a principal should be granted access to use a resource based on properties of applications comprised by the principal. The principal name may be created when an application is loaded, invokes other applications (or programs) and/or assumes a new role context. Access is provided based on whether, for each application, the publisher is authorized by system policy to grant privilege as requested by the application. When a resource which requires the privilege is requested by a principal, an access control list (ACL) for the resource is expanded with a list of applications that have been authorized through their publisher to assert the privilege. The expanded ACL is compared to the principal name to determine resource access.
    • 模式匹配访问控制系统基于主体的应用程序的属性确定是否应授予主体访问权限以使用资源。 可以在应用程序加载时调用主体名称,调用其他应用程序(或程序)和/或假定新的角色上下文。 访问是基于每个应用程序,发布者是否被系统策略授权以根据应用程序请求授予特权来提供访问。 当一个委托人请求一个需要该权限的资源时,该资源的访问控制列表(ACL)会被扩展,并通过其发布者授权的应用程序列表来声明该权限。 将扩展的ACL与主体名称进行比较以确定资源访问。