Abstract
With this paper, we propose a network coding based cloud storage scheme. The storage system is in the form of an m * n data array. The n columns stand for n storage nodes, which are comprised of a part of systematic nodes storing source symbols and a part of nonsystematic nodes storing parity symbols. Every row of the data array is a (n, k) systematic Maximum Distance Separable (MDS) code. A source symbol is only involved in the encoding with the unique row; it locates at and is not used by other rows. Such a design significantly decreases the complexity of encoding and decoding. Moreover, in case of single node failures, we use interference alignment to further reduce repair bandwidth. Compared to some existing cloud storage schemes, our scheme significantly reduces resource consumption on storage, update bandwidth and repair bandwidth.
Highlights
Cloud storage services, such as Dropbox, Microsoft One Drive, and Amazon S3, etc., greatly assist users to manage data at any time and from anywhere
We propose a network coding based cloud storage scheme
The n columns stand for n storage nodes, which are comprised of a part of systematic nodes storing source symbols and a part of nonsystematic nodes storing parity symbols
Summary
How to cite this paper: Liu, Y.T. and Morgan, Y. (2018) A Network Coding Based Cloud Storage Scheme. How to cite this paper: Liu, Y.T. and Morgan, Y. (2018) A Network Coding Based Cloud Storage Scheme. International Journal of Internet and Distributed Systems, 3, 1-8. Received: December 25, 2017 Accepted: January 30, 2018 Published: February 2, 2018
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