Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2005-06-28
2005-06-28
Le, Dieu-Minh (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S746000, C710S030000, C370S471000, C398S010000
Reexamination Certificate
active
06912667
ABSTRACT:
A system and method are provided for transporting FTFL messages in a G.709 network-connected simplex device. The method comprises: receiving messages from a first source in a digital wrapper frame format with overhead bytes in every frame; recovering FTFL information from the received message overhead bytes; and, selectively supplying modified FTFL information for transmit message overhead bytes to the first source. Recovering FTFL information from the received message overhead bytes includes recovering a 256 byte FTFL message, including a 128-byte forward message and a 128-byte backward message. Selectively supplying modified FTFL information for transmit message overhead bytes to the first source includes the substeps of: examining the received messages to determine errors; generating a backward message to report the determined errors; overwriting the received backward message with the generated backward message to create the modified FTFL information; and, in response to overwriting the received backward message with the generated backward message, sending a FTFL_status_out signal. Then, the method further comprises: transmitting messages to the first source with the modified FTFL information in response to the FTFL_status_out signal.
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Player Andrew Mark
Su Eric Minghorng
Applied Micro Circuits Corporation
Guyton Philip
Law Office of Gerald Maliszewski
Le Dieu-Minh
Maliszewski Gerald
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