Communication network system and rebuilding method thereof
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United States of America Patent
Stats
-
Feb 6, 2001
Grant Date -
N/A
app pub date -
Jul 13, 1998
filing date -
Nov 12, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A communications network system capable of reducing the time from the occurrence of a trouble to the rebuilding of the system and a rebuilding method thereof. In a communications network system which comprises a plurality of node devices (10-1 to 10-4) distributed at a plurality of positions and transmission lines (1a, 1b) for connecting the plurality of node devices, one of the plurality of node devices is set as a master station (10-1) to operate the system, when the master station has a trouble, the individual node device makes an inquiry to the other node devices, and a node device which has confirmed that no other node device has a higher priority than itself becomes a substitute master station to take the place of the troubled master station to continue the operation of the system.
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