Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 4, 2010
Patent Application Number
11316941
Date Filed
December 27, 2005
Patent Primary Examiner
Patent abstract
The optical node connects N networks to each other (where N is an integer larger than one). Each of the N networks respectively includes a first transmission path and a second transmission path. The optical node includes a switching unit that connects the first transmission path of one network of the N networks to other (N−1) networks; a failure detector that detects failure in the first transmission path of the network; and a control unit that causes the switching unit to connect the second transmission path of the network to the other (N−1) networks when the failure is detected.
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