Network connection apparatus and network connection switching method
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United States of America Patent
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Oct 7, 2008
Grant Date -
Nov 10, 2005
app pub date -
Feb 16, 2004
filing date -
Feb 14, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Between network connection apparatuses connected to each other by use of a virtual redundant arrangement, a first network connection apparatus that is in a standby state receives an advertisement message from a second network connection apparatus that is active as a network connection apparatus, and uses a priority comparing section to compare its own priority with the priority in the received advertisement message. When its own priority is higher, the first network connection apparatus uses a master down timer comparing section to compare the remaining time of a master down timer with the time as weighted in accordance with its own priority and resets the timer for a shorter time.
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