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A joint dedupe-fountain coded archival storage

Access

info:eu-repo/semantics/closedAccess

Date

2017

Author

Arslan, Şuayb Şefik
Göker, Turguy
Wideman, Rod

Metadata

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Citation

Arslan, S. S., Goker, T., Wideman, R., (2017) A Joint Dedupe-Fountain Coded Archival StorageConference: IEEE International Conference on Communications (ICC) Location: Paris, FRANCE.

Abstract

An erasure-coded archival file storage system is presented using a chunk-based deduplication mechanism and fountain codes for space/time efficient operation. Unlike traditional archival storage, this proposal considers the deduplication operation together with correction coding in order to provide a reliable storage solution. The building blocks of deduplication and fountain coding processes are judiciously interleaved to present two novel ideas, reducing memory footprint with weaker hashing and dealing with the increased collisions using correction coding, and applying unequal error protection to deduplicated chunks for increased availability. The combination of these two novel ideas made the performance of the proposed system stand out. For example, it is shown to outperform one of the replication-based as well as RAID data protection schemes. The proposed system also addresses some of the fundamental challenges of today's low-cost deduplicated data storage systems such as hash collisions, disk bottleneck and RAM overflow problems, securing savings up to 90% regular RAM use.

Source

Conference: IEEE International Conference on Communications (ICC) Location: Paris, FRANCE Date: MAY 21-25, 2017

URI

https://hdl.handle.net/20.500.11779/702
https://doi.org/10.1109/ICC.2017.7997030

Collections

  • Araştırma Çıktıları, Scopus İndeksli Yayınlar Koleksiyonu [375]
  • Araştırma Çıktıları, WOS İndeksli Yayınlar Koleksiyonu [433]
  • MF, BM, Bildiri ve Sunum Koleksiyonu [29]



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