Multiplex communications – Fault recovery
Reexamination Certificate
2006-12-05
2008-08-05
Jung, Min (Department: 2616)
Multiplex communications
Fault recovery
C370S397000
Reexamination Certificate
active
07408874
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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Meggison Earl C.
Young Randy S.
AT&T Delaware Intellectual Property Inc.
Jung Min
Withers & Keys LLC
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