Fault recovery system and method for inverse multiplexed...

Details Fault recovery system and method for inverse multiplexed... Fault recovery system and method for inverse multiplexed...

2006-05-16

2006-05-16

Ngo, Ricky Q. (Department: 2663)

Multiplex communications

Fault recovery

Bypass an inoperative channel

C370S242000, C370S535000

Reexamination Certificate

active

07046623

ABSTRACT:
A system (10) and method are provided for restoring the flow of a data stream in the event of a link (28) failure while avoiding delays due to down time. The system (10) for passing the data stream at a particular transmission rate includes a first unit (20, 22) at the first location coupled to one end of each of a plurality of links (28), at least two trained links (28) selected from the links (28) that are set to active status, a second unit (22, 20) at the second location coupled to the other end of each of the links (28), and at least one idle link (28), wherein the first unit (20, 22) and the second unit (22, 20) switch to use the idle link (28) to replace any one of the trained links (28) that has failed.

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The ATM Forum Technical Committee “Inverse Multiplexing for ATM (IMA) Specification, Version 1.0”, AF-PHY-0086.000, Jul. 1997.

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