Method of determining a uniform global view of the system status of a distributed computer network
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United States of America Patent
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Jun 3, 2003
Grant Date -
N/A
app pub date -
Jul 19, 1999
filing date -
Jul 15, 1998
priority date (Note) -
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Abstract
A method of determining a uniform global view (GS) of the system status of a distributed computer network (VRNW) comprising at least three computers (R1, R2, R3) is provided in that the computers exchange messages over communication links (KV12, KV13, KV32) in successive transmission rounds, with each of the computers receiving a message from each of the other computers in each transmission round in the absence of an error. In each transmission round, each of the computers evaluates messages received from the other computers and, based on the result of the evaluation, assigns one of at least three differently defined computer states to each of the other computers and determines a local view (LS) of the system status therefrom. The computers exchange the local views of the system status determined by them, and each of the computers determines a uniform global view (GS) of the system status from the local views exchanged.
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