Verifying a file in a system with duplicate segment...

Details Verifying a file in a system with duplicate segment... Verifying a file in a system with duplicate segment...

2005-10-13

2009-11-24

Abraham, Esaw T (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

C714S006130, C714S015000, C714S758000, C714S805000

Reexamination Certificate

active

07624335

ABSTRACT:
Verifying a file in a system with duplicate segment elimination is disclosed. A data file is segmented into a plurality of distinct data segments, and a checksum is computed for each of the plurality of distinct data segments. A constructed data file checksum is constructed from the checksums of each of the plurality of distinct data segments, and, it is determined if a checksum of the data file is the same as the constructed data file checksum.

REFERENCES:
patent: 5838963 (1998-11-01), Griffiths
patent: 6738932 (2004-05-01), Price

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