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    • 5. 发明授权
    • Method for providing flexible and secure administrator-controlled watermarks
    • 提供灵活和安全的管理员控制水印的方法
    • US06396594B1
    • 2002-05-28
    • US09282874
    • 1999-03-31
    • Steven M. FrenchLorin E. Ullmann
    • Steven M. FrenchLorin E. Ullmann
    • G06K1500
    • G06K15/02G06K15/1803
    • A watermark property is specified for a print queue, subject to control only by network administrators. The value within the watermark may be a pointer to a graphic image, text, or a logical value, allowing flexible specification of a water-mark on a printer by printer basis. The queue watermark property overrides any print job watermark properties before the print job is submitted to the print driver, regardless of whether the print job watermark was set in the job properties locally or remotely, by a user or an application. The queue watermark property thus serves as a distinct, mandatory watermark associated with the print queue, whether local or network. The watermark property setting is retained by a persistent parameter in configuration information for the print server hosting the print queue, which is employed to initialize the queue. As a queue property, which ordinary users will not normally be permitted to control, the watermark property may be protected from modification or circumvention by any user not having network administrator status.
    • 为打印队列指定了一个水印属性,仅由网络管理员控制。 水印中的值可以是指向图形图像,文本或逻辑值的指针,允许通过打印机在打印机上灵活地指定水印。 队列水印属性在打印作业提交给打印驱动程序之前,覆盖任何打印作业水印属性,无论用户还是应用程序本地或远程地将打印作业水印设置在作业属性中。 队列水印属性因此用作与打印队列相关联的不同的强制水印,无论是本地还是网络。 水印属性设置由承载打印队列的打印服务器的配置信息中的持久参数保留,用于初始化队列。 作为普通用户通常不被允许控制的队列属性,可以保护不具有网络管理员状态的任何用户的修改或规避的水印属性。
    • 6. 发明授权
    • Fast network file system running over a hybrid connectionless transport
    • 通过混合无连接传输运行的快速网络文件系统
    • US5526483A
    • 1996-06-11
    • US352264
    • 1994-12-07
    • Steven M. FrenchEverett A. McCassey, IIGregory L. Morris
    • Steven M. FrenchEverett A. McCassey, IIGregory L. Morris
    • H04L29/06H04L29/08G06F15/163
    • H04L29/06H04L69/18H04L69/32H04L69/326H04L69/329
    • A session-oriented network application dependent on reliable transport of messages on a first system communicates in a new form of connectionless, session-oriented communication called Sideband over a network with a second similar application on a second system. Sideband transport is not guaranteed; Some types of messages and those which are lost must be sent on a reliable, non-Sideband transport. The LAN application contains means to track whether Sideband is both available and enabled on its session with the second application. The application determines whether to disable or reenable the Sideband in its session based on network reliability. As Sideband is fast, but unreliable, the application must be selective about which messages to send Sideband. Messages which would change the state of the receiving system if received twice due to retry of an apparently lost message should not be sent Sideband. The LAN application monitors the responses from the second system to determine whether any messages sent Sideband were lost. In the event of a Sideband message being lost, the application has retry logic which resends the message via a non-Sideband path.
    • 取决于第一系统上的消息的可靠传输的面向会话的网络应用以新形式的无连接的面向会话的通信通过网络通信,所述无连接的面向会话的通信具有在第二系统上的第二类似应用。 边带运输不能保证; 某些类型的消息和丢失的消息必须在可靠的非边带传输中发送。 LAN应用程序包含跟踪边带在第二个应用程序的会话中是否可用和启用的方法。 该应用程序根据网络的可靠性确定是否禁用或重新启用边带在其会话中。 由于边带快速但不可靠,应用程序必须选择发送边带哪些消息。 如果由于重新出现明显丢失的消息而被接收两次,那么改变接收系统状态的消息不应该被发送到边带。 LAN应用程序监视来自第二个系统的响应,以确定发送的边带是否丢失。 在边带消息丢失的情况下,应用程序具有经由非边带路径重新发送消息的重试逻辑。
    • 9. 发明申请
    • Method for Performing Recoverable Live Context Migration in a Stacked File System
    • 在堆叠文件系统中执行可恢复的实时上下文迁移的方法
    • US20080228770A1
    • 2008-09-18
    • US11686696
    • 2007-03-15
    • Michael A. HalcrowSteven M. French
    • Michael A. HalcrowSteven M. French
    • G06F17/30
    • G06F16/119
    • A method, system and program are provided for selectively managing data migration in a stacked filesystem that receives a request to migrate a data file to a destination context, where the data file is divided into a plurality of sub-regions such that data stored in different sub-regions may have different contexts. In response to the migration request, file data is sequentially migrated, one sub-region at a time, to the destination context by maintaining context status information for each sub-region in a metadata portion of the data file, where the context status information prevents another application from accessing any sub-region in the data file that is being migrated, but allows access to other sub-regions in the data file.
    • 提供了一种方法,系统和程序,用于选择性地管理堆叠文件系统中的数据迁移,所述堆叠文件系统接收将数据文件迁移到目的地上下文的请求,其中数据文件被划分为多个子区域,使得存储在不同的 子区域可能具有不同的上下文。 响应于迁移请求,通过维护数据文件的元数据部分中的每个子区域的上下文状态信息,将文件数据一次一个子区域逐次迁移到目的地上下文,其中上下文状态信息防止 另一个应用程序访问正在迁移的数据文件中的任何子区域,但允许访问数据文件中的其他子区域。