Optical communications – Fault recovery – Bypass inoperative element
Reexamination Certificate
2011-08-09
2011-08-09
Bello, Agustin (Department: 2613)
Optical communications
Fault recovery
Bypass inoperative element
C398S002000, C398S072000
Reexamination Certificate
active
07995914
ABSTRACT:
An approach is provided for performing fault recovery using composite transport groups (CTGs). A first logical channel is established within a composite transport group, wherein the first logical channel is established over a first link associated with a first service provider to a customer premise equipment (CPE) node configured to transport packets. A second logical channel is established within the composite transport group, wherein the second logical channel is established over a second link associated with a second service provider to an optical node. Packets are received over the first logical channel. Packets are received over the second logical channel if the first logical channel experiences a fault condition, wherein switching to the second logical channel is transparent to the CPE node.
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Bello Agustin
MCI Communications Services, Inc.
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