Method for synchronizing a distributed system
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United States of America Patent
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Issued Date -
Jan 19, 2006
app pub date -
Jul 18, 2005
filing date -
Jul 19, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method for synchronizing components of a distributed system. The system status is represented by at least one object which is provided in all components. A change of the status of the object in one of the components is signalled to all other components by means of a status change message. The local validity of the signalled status change is checked by each of the other components, with the locally valid status change of the status of the objects in these components is updated and, with for locally invalid status change a component with valid status of the object is determined, which is sent to at least with invalid status of the object, at which point the status of the object is updated in these components. The invention further relates to a distributed system of which the components are embodied to execute the method. By contrast with the known distributed systems the present invention offers the advantage, that for transmission of the status change messages which are needed to maintain or restore the system synchronicity, insecure and thereby fast data transmission methods can be used, for example UDP multicast messages.
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