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1. 发明申请

WO2011110135A3 MASTER-STANDBY SWITCHING METHOD, SYSTEM CONTROL UNIT AND COMMUNICATION SYSTEM 审中-公开
标题翻译：主站待机方式，系统控制单元和通信系统
公开(公告)号：WO2011110135A3
公开(公告)日：2012-03-22
申请号：PCT/CN2011073277
申请日：2011-04-25
申请人： HUAWEI TECH CO LTD , ZHAO HU , LIU YONGHE , SUN YUAN , WANG WEI
发明人： ZHAO HU , LIU YONGHE , SUN YUAN , WANG WEI
IPC分类号： H04B1/74 , H04L12/24
CPC分类号： H04B1/74
摘要： The present invention discloses a master-standby switching method, system control unit and communication system. The method includes: a first system control unit transmits detection messages to an opposite network element according to a set detection period; when receiving a master-standby switching command, the first system control unit stops transmitting the detection messages, which makes a transmission link switching triggered because the first system control unit does not transmit the detection messages during a set timeout period; and at the same time, the first system control unit initiates a switching timer; and when detecting that the value of the switching timer reaches the switching timing value, the first system control unit performs a reset operation to implement the master-standby switching, wherein the switching timing value is greater than the timeout period. Before performing the reset operation for the master-standby switching, the system control unit in the present invention firstly stops, on its own initiative, transmitting the detection messages, delays stopping working for a period of time, until the transmission link switching is finished. Thus under the circumstance of the master-standby switching being performed, the packet loss of the service data messages can be reduced and the continuity and reliability of the service can be ensured.
摘要翻译：本发明公开了一种主备切换方法，系统控制单元和通信系统。该方法包括：第一系统控制单元根据设定的检测周期将检测消息发送给相对的网元; 当接收到主备切换命令时，第一系统控制单元停止发送检测消息，这使得由于第一系统控制单元在设置的超时期间不发送检测消息而触发传输链路切换; 并且同时第一系统控制单元启动切换定时器; 并且当检测到切换定时器的值达到切换定时值时，第一系统控制单元执行复位操作以实现主 - 备用切换，其中切换定时值大于超时周期。在执行主备切换的复位操作之前，本发明的系统控制单元首先首先停止发送检测消息，延迟停止工作一段时间，直到传输链路切换完成。因此，在进行主备切换的情况下，可以减少业务数据报文的丢包，保证业务的连续性和可靠性。

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