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Erasure Codes for IPFS

Authors: Shinde, Pratik;

Erasure Codes for IPFS

Abstract

IPFS (Interplanetary File System) is a peer to peer method of storing content addressable data in distributed file system. To provide Fault Tolerance to important files, IPFS copies them on at least 3 nodes in different geographical areas. To store a file safely, IPFS consumes at least 3X more space. This is inefficient and can be reduced significantly using Erasure Coding. My idea is to use Reed-Solomon code to compute parity of data. For each N blocks of data, Reed Solomon codes will produce additional ?K? parity blocks. Each of these ?N+K? blocks can be stored on different IPFS nodes. Original data can be reconstructed even if any K nodes are not available. To provide K-Fault tolerance to the system, we only need N+K storage as opposed to N*K in the earlier approach.

Keywords

Reed Solomon Codes, Erasure Codes, IPFS

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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