Data deduplication, is a method of reducing storage needs by eliminating redundant data. There are different types of de-duplication that include, source, target, single instancing, and in some cases even compression.
Data deduplication technologies from IDATA can reduce tape and disk acquisition costs 10-40%, in larger data archiving environments this figure can be much more.
IDATA will help you understand Data deduplication and guide you through best practices for deduplicating your data.