Effectiveness of Variable-block vs Fixed-block Deduplication on Data Reduction – Technical Analysis

Deduplication has become a ‘checkbox’ technology for purchasers, so every vendor of data storage products has incorporated something they can call “deduplication”.

While data reduction effectiveness isn’t the only criteria to use when evaluating products that leverage deduplication, it is the single biggest factor affecting TCO.

Deduplication approaches may be divided into two broad categories: fixed-block and variable-block. This paper elaborates the fundamental differences between these two approaches by performing lab tests with real data.

Download this paper to learn about the findings.

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