A Survey on Regenerating Codes for Distributed Cloud Storage

A Survey on Regenerating Codes for Distributed Cloud Storage
Authors : Sophia S , Dr. Sharvani G S
Publication Date: 03-06-2015


Author(s):  Sophia S , Dr. Sharvani G S

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 4 - Issue. 06 , June - 2015

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV4IS060014


Cloud computing is a large group of interconnected remote system via the internet. Cloud computing provide services like data storage, software and infrastructure. When we outsource storage as a service there is possibility of data loss. To provide fault tolerant in cloud storage it is necessary to strip data in multiple cloud server and need to reconstruct the lost data from other existing cloud server to preserve data redundancy is known as repair operation. The repair is performed using the regenerating codes. Main objective is to minimize the repair traffic, since the users will be charge for the outbound data from cloud. In this paper we discuss about the various regenerating codes in order to improve storage efficiency and low repair traffic compare with traditional erasure code (eg. Reed Solomon codes).


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