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    • 3. 发明授权
    • Base rolling engine for data transfer and synchronization system
    • 用于数据传输和同步系统的基础滚动引擎
    • US07035878B1
    • 2006-04-25
    • US09641028
    • 2000-08-17
    • David L. MulterRobert E. GarnerLeighton A. RidgardLiam J. StannardDonald W. CashScott KleinRichard M. Onyon
    • David L. MulterRobert E. GarnerLeighton A. RidgardLiam J. StannardDonald W. CashScott KleinRichard M. Onyon
    • G06F17/30
    • H04L67/1095H04L69/22Y10S707/99945Y10S707/99952
    • A base rolling engine for collapsing data packages stored in a data transfer and synchronization system. A first data package is provided. The first data package has a first transaction including an identification number, an action, and a plurality of fields. Each field has an attribute representing change information. A second data package is also provided. The second data package has a second transaction made subsequent to the first transaction. The second transaction has an identification number, an action, and a field with an attribute. The base rolling engine determines whether the identification number of the second transaction corresponds to the identification number of the first transaction. The base rolling engine also determines whether the field of the second transaction corresponds to one of the fields of the first transaction. When the identification numbers of the first and second transactions correspond to one another, and the field of the second transaction corresponds to one of the fields of the first transaction, the first and second data packages are combined. A combined data package is thus defined having a combined transaction with the identification number. The combined data package replaces the second data package, and the first data package is deleted.
    • 用于压缩存储在数据传输和同步系统中的数据包的基本滚动引擎。 提供了第一个数据包。 第一数据包具有包括标识号,动作和多个字段的第一事务。 每个字段都有一个表示变更信息的属性。 还提供了第二个数据包。 第二个数据包具有在第一个事务之后进行的第二个事务。 第二个事务具有标识号,动作和具有属性的字段。 基础滚动引擎确定第二交易的识别号码是否对应于第一交易的识别号码。 基本滚动引擎还确定第二事务的字段是否对应于第一事务的一个字段。 当第一和第二事务的标识号彼此对应,并且第二事务的字段对应于第一事务的一个字段时,组合第一和第二数据包。 因此,组合数据包被定义为具有与识别号码的组合交易。 组合的数据包替换第二个数据包,并删除第一个数据包。
    • 6. 发明授权
    • Data transfer and synchronization system
    • 数据传输和同步系统
    • US06694336B1
    • 2004-02-17
    • US09490550
    • 2000-01-25
    • David L. MulterRobert E. GarnerLeighton A. RidgardLiam J. StannardDonald W. CashRichard M. Onyon
    • David L. MulterRobert E. GarnerLeighton A. RidgardLiam J. StannardDonald W. CashRichard M. Onyon
    • G06F1730
    • G06F17/30194Y10S707/99952Y10S707/99953
    • A system in a processing device having at least one application including application data in a format in an application data store. The system includes: a system data store associated with the processing device including a representation of a previous state of application data in the application data store; a difference engine generating difference information associated with a change to said application data store; and an application interface, interpreting application data for the difference engine. The difference engine may further comprise a delta engine comparing the change to said application data store to said system data store to construct difference information. In a further aspect, a method for updating data files in a first system is provided. The method includes the steps of providing a data store associated with the first system and including information representing data in the data files at a previous time state; generating first difference information upon a change to the data files by comparing the change to the data store; receiving second difference information for a subset of said data files from a second system; and applying said difference information to said subset of said data files.
    • 处理装置中的系统具有至少一个包括应用数据存储器中的格式的应用数据的应用程序。 该系统包括:与处理设备相关联的系统数据存储器,包括应用数据存储器中应用数据的先前状态的表示; 产生与所述应用数据存储器的改变相关联的差异信息的差分引擎; 以及应用程序界面,解释差异引擎的应用程序数据。 差分引擎还可以包括将引擎与所述应用数据存储器相对的变化与所述系统数据存储器进行比较以构建差异信息的增量引擎。 在另一方面,提供了一种用于更新第一系统中的数据文件的方法。 该方法包括以下步骤:提供与第一系统相关联的数据存储器,并且包括在先前时间状态下表示数据文件中的数据的信息; 通过将所述改变与所述数据存储进行比较来产生对所述数据文件的改变的第一差异信息; 从第二系统接收所述数据文件的子集的第二差分信息; 以及将所述差分信息应用于所述数据文件的所述子集。
    • 10. 发明授权
    • Data transfer and synchronization system
    • 数据传输和同步系统
    • US08156074B1
    • 2012-04-10
    • US09491675
    • 2000-01-26
    • David L. MulterRobert E. GarnerLeighton A. RidgardLiam J. StannardDonald W. CashRichard M. Onyon
    • David L. MulterRobert E. GarnerLeighton A. RidgardLiam J. StannardDonald W. CashRichard M. Onyon
    • G06F7/00
    • G06F17/30174
    • A data transmission system and method which optimizes transfer and updates of information between systems by providing difference information between the systems is disclosed. A system includes a differencing transmitter transmitting at least one set of difference transactions and a differencing receiver receiving said at least one set of difference transactions A method for synchronizing at least a first file and a second file resident on a first and a second systems, respectively, is provided. The method comprises the steps of: determining difference data resulting from changes to a first file on the first system; transmitting the difference information to a second system; applying the difference information to generate change data for the second file; and updating the second file on the second system with the difference data.
    • 公开了一种通过提供系统之间的差异信息来优化系统之间的信息传递和更新的数据传输系统和方法。 系统包括发送至少一组不同事务的差分发送器和接收所述至少一组不同事务的差分接收器。分别用于同步至少第一文件和驻留在第一和第二系统上的第二文件的方法 ,被提供。 该方法包括以下步骤:确定由第一系统上的第一文件的改变导致的差分数据; 将所述差异信息发送到第二系统; 应用所述差分信息以生成所述第二文件的改变数据; 以及用所述差异数据更新所述第二系统上的所述第二文件。