Method and system for optical network smart timer management via delay measurement between spans
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United States of America Patent
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Apr 15, 2014
Grant Date -
May 3, 2012
app pub date -
Nov 3, 2010
filing date -
Nov 3, 2010
priority date (Note) -
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Abstract
A method and system for determining timers in a High Level Data Link Control (HDLC) Traffic Manager (HTM) state machine are disclosed. According to one aspect, the invention provides for determining a transit delay between two nodes by sending a first packet having a delay measurement byte to a second node that is on a link between the first node and the second node. A measured delay value is determined based on the delay between a time of sending the first packet to the second node and receiving a second packet from the second node. The timer values of the HTM state machine are set based on the measured delay value.
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