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    • 14. 发明授权
    • Method and system for synchronizing status of member servers belonging to same replication group
    • 属于同一复制组的成员服务器状态同步的方法和系统
    • US09338232B2
    • 2016-05-10
    • US11915155
    • 2006-05-25
    • Gyehan SongSeonghun Kim
    • Gyehan SongSeonghun Kim
    • H04L29/08H04W4/02
    • H04L67/1095H04L67/18H04W4/02
    • A system for synchronizing a state of a member server with a state of other member servers belonging to a same replication group, the system including: a server sequence storage unit storing a first server sequence; a message receiving unit receiving an external message from a service server and receiving a second state update message from a second member server belonging to the same replication group including the member server, the second state update message including a second server sequence; an external message processing unit, in response to the receiving the external message, increasing the first server sequence by a predetermined value, generating a first state update message including the first server sequence, and transmitting the first state update message to the second member server; and a state update message processing unit, in response to the receiving the second state update message, changing the first server sequence to the second server sequence when the second server sequence included in the second state update message is larger than the first server sequence stored in the server sequence storage unit.
    • 一种用于使成员服务器的状态与属于同一复制组的其他成员服务器的状态同步的系统,所述系统包括:存储第一服务器序列的服务器序列存储单元; 从服务服务器接收外部消息并从属于包括成员服务器的相同复制组的第二成员服务器接收第二状态更新消息的消息接收单元,所述第二状态更新消息包括第二服务器序列; 外部消息处理单元,响应于接收到所述外部消息,将所述第一服务器序列增加预定值,生成包括所述第一服务器序列的第一状态更新消息,以及向所述第二成员服务器发送所述第一状态更新消息; 以及状态更新消息处理单元,响应于接收到所述第二状态更新消息,当所述第二状态更新消息中包括的所述第二服务器序列大于存储在所述第二服务器序列中的所述第一服务器序列时, 服务器序列存储单元。