Reduction Of Packet Loss Through Optical Layer Protection
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United States of America Patent
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Issued Date -
Jan 21, 2010
app pub date -
Jul 15, 2008
filing date -
Jul 15, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Packet loss in an optical network transporting Ethernet-based data traffic is reduced using a switch in a transmitting node. When the transmitting node of the optical network detects a fault in an optical link, the switch buffers incoming data traffic until the optical link is reestablished. The switch may be an Ethernet switch that re-routes data traffic along one or more additional optical fibers that are connected in parallel with a defunct optical fiber to reestablish the optical link between two nodes. The switch may also be an optical switch that is configured to re-route optical data traffic from a defunct optical fiber to a redundant optical fiber.
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