Method for moving network elements with minimal network outages in an active ATM network
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United States of America Patent
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Aug 5, 2008
Grant Date -
Oct 18, 2007
app pub date -
Dec 5, 2006
filing date -
Jun 26, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for moving permanent virtual circuits in an ATM network with minimal downtime includes creating a list of the permanent virtual circuits to be moved; building a set of shadow permanent virtual circuits using the new ATM port and a temporary set of virtual path identifier and virtual circuit identifier pairs; moving a physical connection from the original ATM port to the new ATM port; deleting the permanent virtual circuits on the original ATM port; and changing the shadow permanent virtual circuits to use the original virtual path identifier and virtual circuit identifier pairs.
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