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    • 8. 发明授权
    • Single virtual client for multiple client access and equivalency
    • 单个虚拟客户端,用于多个客户端访问和等效
    • US07921189B2
    • 2011-04-05
    • US11602085
    • 2006-11-20
    • Rahul KapoorRolando Jimenez SalgadoSatish ThatteYi MaoRicard Roma I DalfóAnuj BansalSaji Varkey
    • Rahul KapoorRolando Jimenez SalgadoSatish ThatteYi MaoRicard Roma I DalfóAnuj BansalSaji Varkey
    • G06F15/177
    • H04L67/306H04L67/24H04W8/18Y10S707/99931
    • A single virtual image of client information centrally located at an always-on network location for maintaining equivalency among multiple user devices. The image can be accessed by the user devices when coming online to upload and receive changes in the client information. A mid-tier system can be employed as the always-on central location with which the user client machines can communicate to maintain the same set of client information. Services in support thereof include an ownership service for dynamic selection of a designated client machine to take ownership for performing the actions on one client machine and arbitration of duplicate requests, a notification service for allowing data sources to publish cache update instructions to a central place, a roaming service for allowing clients machines to share state with each other, and an encryption service for secure storage and communications of client information.
    • 客户端信息的单个虚拟映像集中位于永远在线的网络位置,用于维护多个用户设备之间的等效性。 用户设备上线时可以访问该图像,上传并接收客户端信息的更改。 中层系统可以用作始终在线的中心位置,用户客户机可以通过该中心位置进行通信以维护相同的客户端信息。 支持的服务包括用于动态选择指定的客户端机器的所有权服务以获得用于执行一个客户端机器上的动作和对重复请求的仲裁,用于允许数据源将高速缓存更新指令发布到中心位置的通知服务, 用于允许客户机彼此共享状态的漫游服务,以及用于安全存储和客户端信息通信的加密服务。
    • 9. 发明授权
    • Versioning and concurrency control for multiple client access of data
    • 数据的多客户端访问的版本控制和并发控制
    • US07805420B2
    • 2010-09-28
    • US11602069
    • 2006-11-20
    • Rahul KapoorRolando Jimenez SalgadoKaushik RajSatish ThatteXiaoyu Wu
    • Rahul KapoorRolando Jimenez SalgadoKaushik RajSatish ThatteXiaoyu Wu
    • G06F17/30
    • G06F17/30348
    • Versioning and concurrency control architecture of data operations on data of a data source by multiple independent clients of a user. Data operation messages between the clients and the data source are intercepted and tracked for serialization control to a data view instance of the data source. The architecture can be located as an always-on centrally-located system (e.g., mid-tier), accommodate data operations that include create, read, update, delete, and query (CRUDQ) against data sources, and provides support for distributed transactions, locking, versioning, and reliable messaging, for example, for data sources that do not expose such capabilities. A hash is employed for version control and to control changes at the data source. The central system also provides logic for the individual CRUDQ operations, and granular error classification to enable retries whenever possible.
    • 由用户的多个独立客户端对数据源的数据进行数据操作的版本控制和并发控制架构。 客户端和数据源之间的数据操作消息被拦截并被跟踪以便对数据源的数据视图实例进行串行化控制。 该体系结构可以作为始终处于中心位置的系统(例如,中间层)进行定位,适应数据源的数据操作,包括创建,读取,更新,删除和查询(CRUDQ),并为分布式事务提供支持 ,锁定,版本控制和可靠的消息传递,例如,对于不暴露此类功能的数据源。 使用哈希来进行版本控制,并控制数据源的更改。 中央系统还为单个CRUDQ操作提供了逻辑,并且在可能的情况下进行了细粒度的错误分类,以便重试。