System and method for call-blocking-triggered topology updates in source routed signaling protocol communication networks
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United States of America Patent
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Mar 21, 2006
Grant Date -
Sep 5, 2002
app pub date -
Jun 11, 2001
filing date -
Dec 7, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Advertising available resource information for a link in a communication network is provided. The network uses a source routing protocol. The source routing protocol uses the available resource advertisements for identifying a path for a call routed through the node in the network. The method advertises the available resource information for the node to adjacent nodes linked to the node in the network when the node receives a request for a connection to be routed over the link, the request seeking resources exceeding available resources for the link, but not exceeding the last advertised resources for the link.
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