Provided are a method, system, and program monitoring paths between a first controller and second controller. A determination is made as to whether one path has been unavailable for a predetermined time period in response to detecting that the path is unavailable. Indication is made that the path is in a first failed state if the path has been unavailable for more than the predetermined time period and indication is made that the path is in a second failed state if the path has not been unavailable for the predetermined time period.

 
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> Reprogrammable built-in-self-test integrated circuit and test method for the same

> Automatic repeat request (ARQ) protocol having multiple complementary feedback mechanisms
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