Method of detecting circular routing in No. 7 signaling
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United States of America Patent
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Jun 20, 2006
Issued Date -
N/A
app pub date -
Jul 17, 2002
filing date -
Jul 19, 2001
priority date (Note) -
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Abstract
A method of detecting circular routing in a No. 7 signaling network is provided which detects circular routing that occurs when operating the signaling network, thereby preventing congestion of links by circular routing and finding out any reasons for the link congestion. The method detects a circular routing that occurs in three or more signaling transfer points, by transmitting a message transfer part routing verification test (MRVT) message through the signal route of the highest priority among the signal routes in an available state which go to a specific destination point code (DPC), only when a link is in an unavailable state, thereby preventing congestion of links by circular routing and finding out any reasons for the link congestion.
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