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- Data_deduplication abstract "In computing, data deduplication is a specialized data compression technique for eliminating duplicate copies of repeating data. Related and somewhat synonymous terms are intelligent (data) compression and single-instance (data) storage. This technique is used to improve storage utilization and can also be applied to network data transfers to reduce the number of bytes that must be sent. In the deduplication process, unique chunks of data, or byte patterns, are identified and stored during a process of analysis. As the analysis continues, other chunks are compared to the stored copy and whenever a match occurs, the redundant chunk is replaced with a small reference that points to the stored chunk. Given that the same byte pattern may occur dozens, hundreds, or even thousands of times (the match frequency is dependent on the chunk size), the amount of data that must be stored or transferred can be greatly reduced.This type of deduplication is different from that performed by standard file-compression tools, such as LZ77 and LZ78. Whereas these tools identify short repeated substrings inside individual files, the intent of storage-based data deduplication is to inspect large volumes of data and identify large sections – such as entire files or large sections of files – that are identical, in order to store only one copy of it. This copy may be additionally compressed by single-file compression techniques. For example a typical email system might contain 100 instances of the same 1 MB (megabyte) file attachment. Each time the email platform is backed up, all 100 instances of the attachment are saved, requiring 100 MB storage space. With data deduplication, only one instance of the attachment is actually stored; the subsequent instances are referenced back to the saved copy for deduplication ratio of roughly 100 to 1.".
- Data_deduplication wikiPageExternalLink exagrid-storage-data-technology-cio-network-tape.html.
- Data_deduplication wikiPageExternalLink opendedup.org.
- Data_deduplication wikiPageExternalLink TSU12345USEN.PDF.
- Data_deduplication wikiPageExternalLink Understanding_Data_Deduplication_Ratios-20080718.pdf.
- Data_deduplication wikiPageExternalLink display_webcast.cfm?ID=540.
- Data_deduplication wikiPageExternalLink MSpiz.pdf.
- Data_deduplication wikiPageExternalLink data-de-duplication-%E2%80%93why-when-where-and-how-infostor-article-by-russ-fellows.
- Data_deduplication wikiPageExternalLink What-Is-the-Difference-Between-Data-Deduplication-File-Deduplication-and-Data-Compression.
- Data_deduplication wikiPageExternalLink doing-more-less.html.
- Data_deduplication wikiPageExternalLink ddsrsig.
- Data_deduplication wikiPageExternalLink deduplication.
- Data_deduplication wikiPageID "17174890".
- Data_deduplication wikiPageRevisionID "604779051".
- Data_deduplication hasPhotoCollection Data_deduplication.
- Data_deduplication subject Category:Data_compression.
- Data_deduplication subject Category:Data_management.
- Data_deduplication comment "In computing, data deduplication is a specialized data compression technique for eliminating duplicate copies of repeating data. Related and somewhat synonymous terms are intelligent (data) compression and single-instance (data) storage. This technique is used to improve storage utilization and can also be applied to network data transfers to reduce the number of bytes that must be sent.".
- Data_deduplication label "Data deduplication".
- Data_deduplication label "Deduplikacja".
- Data_deduplication label "Deduplikation".
- Data_deduplication label "Déduplication".
- Data_deduplication label "Дедупликация данных".
- Data_deduplication label "重复数据删除".
- Data_deduplication sameAs Deduplikace.
- Data_deduplication sameAs Deduplikation.
- Data_deduplication sameAs Déduplication.
- Data_deduplication sameAs Deduplikacja.
- Data_deduplication sameAs m.043n6w3.
- Data_deduplication sameAs Q1182260.
- Data_deduplication sameAs Q1182260.
- Data_deduplication wasDerivedFrom Data_deduplication?oldid=604779051.
- Data_deduplication isPrimaryTopicOf Data_deduplication.