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    • 3. 发明授权
    • Replicating message queues between clustered email gateway systems
    • 在群集电子邮件网关系统之间复制消息队列
    • US07970844B2
    • 2011-06-28
    • US12548286
    • 2009-08-26
    • Robert OsborneBill SimpsonRod Gilchrist
    • Robert OsborneBill SimpsonRod Gilchrist
    • G06F15/16
    • H04L51/30
    • A method of “stateful failover” is provided that allows email gateway systems in a cluster to deliver email messages that have been accepted for delivery by a member of the cluster, but has failed with out delivering the messages. The method involves creating a backup copy of the messages that have been accepted for delivery by one email gateway system in the stateful failover cluster on one or more other email gateway systems in the stateful failover cluster. Upon detecting the failure of the email gateway system that accepted the message, another member of the stateful failover cluster that has access to the backup copy of the message queue takes responsibility for the delivery of the messages on the mirrored queue.
    • 提供了一种“状态故障切换”的方法,允许集群中的电子邮件网关系统传送已被群集成员接受传送的电子邮件,但在传送邮件时失败。 该方法涉及创建已被接受以在状态故障转移群集中的一个或多个其他电子邮件网关系统上的状态故障转移群集中的一个电子邮件网关系统传送的邮件的备份副本。 在检测到接受该消息的电子邮件网关系统的故障时,有权访问消息队列的备份副本的状态故障转移群集的另一成员负责在镜像队列上传递消息。