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    • 9. 发明授权
    • Method and apparatus for workgroup information replication
    • 工作组信息复制的方法和装置
    • US06182117B2
    • 2001-01-30
    • US08873569
    • 1997-06-12
    • David ChristieJeffrey Winner
    • David ChristieJeffrey Winner
    • G06F1516
    • G06Q10/10G06F19/00G06Q10/107
    • The present invention provides the ability to use an existing store-and-forward messaging network such as an electronic mail system to replicate data between computer sites. The replication provided by the present invention can be used with software applications, such as workgroup applications, to replicate data located on multiple sites. Workgroup replication data is sent to other sites via electronic mail (“e-mail”) messages. The present invention provides reliability features to handle errors in electronic mail transmissions. For example, the present invention provides the ability to reassemble objects at a replication site such that an object and all of its dependencies exist prior to the object's use at the site. Messages referred to as “ACK” messages are used to communicate a site's state and to provide other control information. Each site maintains latency information to determine transmission failures.
    • 本发明提供使用诸如电子邮件系统的现有存储转发消息网络在计算机站点之间复制数据的能力。 本发明提供的复制可以与软件应用程序(如工作组应用程序)一起使用,以复制位于多个站点上的数据。 工作组复制数据通过电子邮件(“e-mail”)消息发送到其他站点。 本发明提供了处理电子邮件传输中的错误的可靠性特征。 例如,本发明提供了在复制位置重新组装对象的能力,使得对象及其所有依赖关系在对象在站点使用之前存在。 被称为“ACK”消息的消息用于传达站点的状态并提供其他控制信息。 每个站点都会保留延迟信息以确定传输故障。