Method for turning off routers in a communications network and router implementing this method
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United States of America Patent
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Sep 20, 2016
Grant Date -
Oct 2, 2014
app pub date -
Jun 28, 2012
filing date -
Jun 28, 2011
priority date (Note) -
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Abstract
A method for turning off routers, operating according to a link-state protocol, in a communications network, said network linking a plurality of devices, said method being executed simultaneously over a plurality of routers of the network, includes: a step of initializing; a step of monitoring verifying a list of predefined conditions to be met to allow the turning off of the router; a step of waiting; a step of turning off, including the transmission of a message destined for other routers executing said method to signal the turning off of said router to them; the waiting step being carried out before the turning-off step, the turning-off step being carried out only if no turning-off message originating from other routers is received during the waiting step, if a turning-off message coming from other routers is received during the waiting step then the return to the monitoring step.
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