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    • 1. 发明申请
    • METHOD AND APPARATUS FOR PROVIDING A KEY-VALUE BASED STORAGE INTERFACE
    • 提供基于价值的存储接口的方法和设备
    • US20130103729A1
    • 2013-04-25
    • US13280144
    • 2011-10-24
    • Geoffrey Thomas CooneyKenneth D. McCrackenZane Zheng Yan PanFujian Yang
    • Geoffrey Thomas CooneyKenneth D. McCrackenZane Zheng Yan PanFujian Yang
    • G06F17/30
    • G06F17/30126G06F17/30233G06F17/30516G06F17/3056
    • An approach is provided for implementing a virtual file system using a key-value-based storage interface. A key-value directory framework determines one or more files stored in at least one stream-based file store. The key-value directory framework causes, at least in part, a grouping of the one or more files into at least one key-value directory. The key-value directory includes, at least in part, one or more key-value pairs of a distributed key-value store. The key-value directory framework also causes, at least in part, a storage of (a) at least one identifier of the one or more files, the at least one key-value directory, or a combination thereof as one or more keys of the one or more key-value pairs; (b) block-based access information associated with the one or more files as one or more values of the key-value pairs; and (c) a locking mechanism to facilitate coordination of threads across multiple hosts.
    • 提供了一种使用基于键值的存储接口实现虚拟文件系统的方法。 键值目录框架确定存储在至少一个基于流的文件存储中的一个或多个文件。 键值目录框架至少部分地导致将一个或多个文件分组成至少一个键值目录。 键值目录至少部分地包括分布式键值存储的一个或多个键值对。 键值目录框架还至少部分地使得(a)一个或多个文件,至少一个键值目录或其组合的至少一个标识符作为一个或多个键的存储 一个或多个键值对; (b)与所述一个或多个文件相关联的基于块的访问信息作为所述键值对的一个或多个值; 和(c)一个锁定机制,以便于跨多个主机协调线程。
    • 2. 发明授权
    • Method and apparatus for optical switching devices utilizing a bi-morphic piezoelectric apparatus
    • 利用双向压电装置的光开关装置的方法和装置
    • US06463189B1
    • 2002-10-08
    • US09513777
    • 2000-02-24
    • Shudong WuSimon X. F. CaoThomas CooneyWeicheng Chen
    • Shudong WuSimon X. F. CaoThomas CooneyWeicheng Chen
    • G02B626
    • G02B6/3566G02B6/2746G02B6/29302G02B6/29386G02B6/3528G02B6/3548G02B6/355G02B6/3572G02B6/3578G02B6/358
    • The present invention provides a method and apparatus for optical switching devices utilizing a bi-morphic piezoelectric apparatus. The optical switching devices include an arm comprising a piezoelectric material, the arm including a first and a second face and a first and a second end, wherein the first face is opposite to the second face, wherein the first end is opposite to the second end; at least one electrode coupled to the arm for providing a voltage difference between the first and second faces of the arm; a support coupled to the first end of the arm for fixedly supporting the first end; an object with a convex surface coupled to the second end of the arm; an optical element coupled to the second face of the arm capable of deflecting an optical signal traveling therethrough; a first magnet proximately located to the object and to the first face of the arm; and a second magnet proximately located to the object and to the second face of the arm. The optical switching devices include optical switches utilizing a single electro-mechanical apparatuses or a plurality of them in a cascade arrangement, a reversible optical circulator, and a switchable optical channel separator. The optical devices have stable and reproducible operation, high switching speeds, and low sensitivity to slight optical mis-alignments or vibrations. They are of a compact modular design that allows the construction of more complex optical devices through utilization of a cascading arrangement.
    • 本发明提供一种利用双向压电装置的光开关装置的方法和装置。 光开关器件包括一个包括压电材料的臂,该臂包括第一和第二面以及第一和第二端,其中第一面与第二面相对,其中第一端与第二端相对 ; 耦合到臂的至少一个电极,用于在臂的第一和第二面之间提供电压差; 耦合到所述臂的第一端以固定地支撑所述第一端的支撑件; 具有联接到所述臂的第二端的凸表面的物体; 耦合到所述臂的所述第二面的光学元件,其能够偏转从其行进的光信号; 近似位于物体和臂的第一面的第一磁体; 以及靠近所述物体和所述臂的第二面附近的第二磁体。 光开关装置包括利用单个机电装置或其串联布置的多个光学开关的光学开关,可逆光环行器和可切换的光通道分离器。 光学器件具有稳定且可重复的操作,高开关速度,以及对轻微光学误差或振动的低灵敏度。 它们具有紧凑的模块化设计,允许通过使用级联布置来构建更复杂的光学器件。
    • 6. 发明授权
    • Method and apparatus for providing a key-value based storage interface
    • 用于提供基于键值的存储接口的方法和装置
    • US08700683B2
    • 2014-04-15
    • US13280144
    • 2011-10-24
    • Geoffrey Thomas CooneyKenneth D. McCrackenZane Zheng Yan PanFujian Yang
    • Geoffrey Thomas CooneyKenneth D. McCrackenZane Zheng Yan PanFujian Yang
    • G06F7/00G06F17/30
    • G06F17/30126G06F17/30233G06F17/30516G06F17/3056
    • An approach is provided for implementing a virtual file system using a key-value-based storage interface. A key-value directory framework determines one or more files stored in at least one stream-based file store. The key-value directory framework causes, at least in part, a grouping of the one or more files into at least one key-value directory. The key-value directory includes, at least in part, one or more key-value pairs of a distributed key-value store. The key-value directory framework also causes, at least in part, a storage of (a) at least one identifier of the one or more files, the at least one key-value directory, or a combination thereof as one or more keys of the one or more key-value pairs; (b) block-based access information associated with the one or more files as one or more values of the key-value pairs; and (c) a locking mechanism to facilitate coordination of threads across multiple hosts.
    • 提供了一种使用基于键值的存储接口实现虚拟文件系统的方法。 键值目录框架确定存储在至少一个基于流的文件存储中的一个或多个文件。 键值目录框架至少部分地导致将一个或多个文件分组成至少一个键值目录。 键值目录至少部分地包括分布式键值存储的一个或多个键值对。 键值目录框架还至少部分地使得(a)一个或多个文件,至少一个键值目录或其组合的至少一个标识符作为一个或多个键的存储 一个或多个键值对; (b)与所述一个或多个文件相关联的基于块的访问信息作为所述键值对的一个或多个值; 和(c)一个锁定机制,以便于跨多个主机协调线程。