Automatic reconnect and reacquisition in a computer...

Details Automatic reconnect and reacquisition in a computer... Automatic reconnect and reacquisition in a computer...

2007-09-25

2007-09-25

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C709S227000

Reexamination Certificate

active

11590370

ABSTRACT:
An examining machine automatically reconnecting to a target machine and resuming acquisition of data stored in a device coupled to the target machine. The examining machine establishes connection with the target machine and initiates data acquisition of the device coupled to the target machine. Periodically during the data acquisition, the examining machine receives from the target machine an intermediary hash state of the data that has been acquired so far. When connection is lost during the acquisition, the examining machine is able to automatically attempt reconnection to the target machine. Once the connection is automatically reestablished, the examining machine transmits the hash state that is currently saved for the acquisition to the target machine. The target machine may then continue the hash process from this intermediate state. That is, the target machine is able to continue generating a hash value for the entire acquisition without rehashing previously acquired data because that previously acquired data is already reflected in the intermediate hash state.

REFERENCES:
patent: 6163692 (2000-12-01), Chakrabarti et al.
patent: 6360247 (2002-03-01), Fujishiro et al.
patent: 6564261 (2003-05-01), Gudjonsson et al.
patent: 2002/0090947 (2002-07-01), Brooks et al.
patent: 2005/0198379 (2005-09-01), Panasyuk et al.

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