Electrical computers and digital data processing systems: input/ – Input/output data processing – Data transfer specifying
Reexamination Certificate
2007-01-02
2007-01-02
Huynh, Kim (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Data transfer specifying
C710S038000, C711S114000, C707S793000, C707S793000
Reexamination Certificate
active
10876647
ABSTRACT:
In a technology for dividing a file into a plurality of fragments which are distributed to a plurality of storage devices, to maintain a high level of security and fault tolerance, while storing the file on fewer storage devices than in the past.A file input/output control device200,upon receiving a file from a client100,constructs a plurality of fragments from a file with reference to a predetermined number of divisions and redundancy. A file input/output control device200allows a plurality of fragments to be stored on a single storage device, but distributes fragments to storage devices300in such a way as to avoid sending a single type of fragment to any one storage device, and to avoid sending all types of fragments to any one storage device. By so doing, file input/output control device200ensures security against cracking and system fault tolerance, while enabling files to be stored on fewer storage devices than in the past.
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Iwasaki Masaaki
Miyata Ken-ichi
Huynh Kim
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Schneider Joshua D.
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