Methods and systems for eliminating data redundancies

Details Methods and systems for eliminating data redundancies Methods and systems for eliminating data redundancies

2005-05-03

2005-05-03

Padmanabhan, Mano (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C714S006130, C707S793000

Reexamination Certificate

active

06889297

ABSTRACT:
Methods, systems, and articles of manufacture consistent with the present invention eliminate data redundancies. A first data block identifier is obtained for a first data block, the first data block identifier being calculated based on data of the first data block. It is determined whether a second data block identifier matching the first data block identifier exists, the second data block identifier being calculated based on data of a second data block. When it is determined that the second data block identifier matching the first data block identifier exists, the first data block identifier is indicated as being is redundant.

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Daniel Barbard et al.,Exploiting Symmetries For Low-Cost Comparison Of File Copies, Proc. of the 8thInternational Conf. on Distributed Computing Systems, 1998 (Jun. 13, 1988), pp. 471-479.

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