Methods and systems for detecting and preventing signaling connection control part (SCCP) looping
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United States of America Patent
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Dec 16, 2008
Grant Date -
Dec 30, 2004
app pub date -
Jun 27, 2003
filing date -
Jun 27, 2003
priority date (Note) -
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Abstract
Methods and systems for signaling connection control part (SCCP) loop detection and prevention are disclosed. A signal transfer point (STP) receives a message and performs global title translation (GTT) for the message. The STP compares the originating point code (OPC) in the signaling message with the post-GTT destination point code (DPC) in the message. If the incoming message OPC matches the post-GTT DPC, SCCP looping is detected and the message is discarded. If the incoming message OPC does not match the post-GTT DPC, the STP may correlate the incoming message OPC or the DPC to one or more additional point codes to identify the presence of SCCP looping.
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