A Multi-Node Exact Repair Method in Cloud Storage Based on Interference Alignment
Xie Xian-zhon · Dianzi xuebao · 2014
We proposed a M ulti-node exact M inimum Storage Regenerating code( M M SR code) based on interference alignment w hich is satisfying M DS nature.First,w e designed the generator matrix of the storage nodes of M M SR code by Cauchy matrix,for the purposes that using interference alignment technology and repair multi-node simultaneously.Then w e discussed the advantages and disadvantages of the synchronous repair mode and asynchronous repair mode.Finally,w e proved the M DS nature of M M SR code and proposed a specific data reconstruction scheme for the( 7,3,5)-M M SR code to verify the M DS nature and feasibility of M M SR code.