Multiplex communications – Network configuration determination
Reexamination Certificate
2006-08-01
2006-08-01
Jung, Min (Department: 2663)
Multiplex communications
Network configuration determination
C398S007000
Reexamination Certificate
active
07085242
ABSTRACT:
A virtual IP topology in an IRW network is dynamically migrated from a current topology to a new topology while minimizing end user impact by maximizing network connectivity and by minimizing impact on heavier traffic communications. The virtual IP connections that must be added and removed to migrate from the old to the new topology are first determined. Next, two connections are selected and removed from the network with the objective of maintaining network connectivity and minimizing impact on heavier traffic communications. All virtual connections that satisfy resource constraints are then selected and added to the network. Next, at most one virtual connection is selected and removed from the network, the selected connection being the least loaded connection that leaves the network in a connected state. Finally, virtual connections are continuously added and removed until the network is completely migrated to the new topology. In a second embodiment, butterfly switching is initially performed.
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patent: 2001/0033550 (2001-10-01), Banwell et al.
patent: 2002/0145779 (2002-10-01), Strasser et al.
Bala Rajagopalan, et al., “IP Over Optical Networks: A Framework,” IETF-IPO Framework-01.txt, Internet Draft, Work in Progress.
Giordano Joseph
Jung Min
Schoneman William A.
Telcordia Technologies Inc.
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