Method and system for reducting traffic flow to a mobile node during handoff situations
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United States of America Patent
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N/A
Issued Date -
May 13, 2004
app pub date -
Sep 15, 2003
filing date -
Mar 16, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method and system for reducing traffic flow from a sending network element to a mobile element during handoff situations when the connection of the mobile element is switched, or to be switched, over from a first network access element to a second network access element. When the mobile element detects, or is informed on, a handoff process to be initiated, a procedure is initialised for reducing the traffic flow from the sending network element to the mobile element. The procedure for reducing the traffic flow preferably comprises employing an optimization process, preferably a TCP optimization process, e.g. delaying the sending of an acknowledgement message from the mobile element to the sending network element, or to reduce the value of the field 'advertised window' of the acknowlegdement message to a smaller value than the actually appropriate value.
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