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Replicated object software system using a dynamic message service, especially for a control arrangement with a redundant architecture
Replicated object software system using a dynamic message service, especially for a control arrangement with a redundant architecture
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机译:使用动态消息服务的复制对象软件系统,特别是对于具有冗余体系结构的控制装置
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摘要
The invention relates to a replicated object software system which makes it possible to control a command/control installation, with redundant architecture, comprising at least one first processor (1) and a second processor (1'). The software system (2) comprises software objects (3) communicating with each other by messages via a dynamic-object message service mechanism. A replica (2') of the software system (2) resides in the second processor (1'). Certain objects (3) of the software system (2) are marked and the dynamic object message service (5) further includes a command means (51) for identifying an object message intended for a marked object and a means (52) for passing the contents of the object message, in the form of a network message, to the second processor (1'). In response to the network message, the dynamic object message service (5') in the second processor (1') activates the replica (3') of the marked object (3). The invention makes it possible to implement a semi-active redundancy technique. IMAGE
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