![]() ![]() Similarity reduction is able to detect data blocks that are similar, but not identical and then use that similarity to store data in a way that only the deltas between those similar blocks are stored. ![]() VAST 3.0 will add an even more advanced technique known as global similarity based data reduction. VAST 2.1 and earlier include local compression and global deduplication to reduce storage costs. VAST provides for advanced data reduction techniques to reduce the cost of storage.
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