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Erasure code

In coding theory, an erasure code is a forward error correction (FEC) code under the assumption of bit erasures (rather than bit errors), which transforms a message of k symbols into a longer message (code word) with n symbols such that the original message can be recovered from a subset of the n symbols. The fraction r = k/n is called the code rate. The…

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Overview

History

Optimal erasure codes

Near-optimal erasure codes

Applications of erasure coding in storage systems

Examples

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Map overview Semantic statistics

Erasure code

Nodes48
Edges47
Triples64
Avg. degree1.96
Density0.041667
Components1

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Erasure code

Top relations

related to External links · 25
Erasure code → Cauchy, Clarke, Coding, CPUs, Developed, Distributed Storage, ECIP, Erasure Code Internet Protocol, FEC, Forward Error, Free Software, How, Indiana, Internet, It, Jerasure, Luigi Rizzo, Luigi Rizzo's, Many, Reed-Solomon
related to Optimal erasure codes · 17
Erasure code → Classic RS, Erasure Resilient Systematic Code, It, MDS, Optimal, Parchive, RAID4, RAID5, RAID6, Reed, Reed-Solomon, RS, Solomon, Tahoe-LAFS, Used, When, XOR Parity
related to Hot data · 8
Erasure code → Alternatively, Generalized RAID, Initially, RAID, RAID7, The, There, This
related to history · 7
Erasure code → Erasure, Gustave Solomon, Irving Reed, LDPC, Reed-Solomon, The, There
related to Near-optimal erasure codes · 6
Erasure code → CPU, Fountain, Near-optimal, Receivers, Reducing, They
is a · 1
Erasure code → forward error correction

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Important terminology

erasure codes code data symbols storage coding used raid also rs bob number optimal systems one redundancy called example symbol

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Erasure codeis aforward error correction0.90text
Erasure coderelated to External linksJerasure0.60section
Erasure coderelated to External linksFree Software0.60section
Erasure coderelated to External linksReed-Solomon0.60section
Erasure coderelated to External linksCauchy0.60section
Erasure coderelated to External linksSIMD0.60section
Erasure coderelated to External linksSoftware FEC0.60section
Erasure coderelated to External linksLuigi Rizzo0.60section
Erasure coderelated to External linksLuigi Rizzo's0.60section
Erasure coderelated to External linksMany0.60section
Erasure coderelated to External linksIt0.60section
Erasure coderelated to External linksCPUs0.60section

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