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Block-permutation LDPC codes for distributed storage systems

P. 227–238.
Krouk E., Ovchinnikov A.

In the paper the usage of low-density parity-check (LDPC) codes to protect storage systems from failures is considered. These codes are the instance of locally recoverable (LRC) codes which obtain much attention during last years regarding storage systems. The system model of distributed storage system is described, with specific types of failures. The coding schemes based on Reed- Solomon (RS) and LDPC codes are formulated for this model taking into account the specific failures types. These coding schemes are compared using several examples of model parameters. The redundancy and locality provided by different coding schemes are estimated. © Springer International Publishing Switzerland 2015.

Language: English
Keywords: LDPC codesLocally recoverable codes

In book

Smart Innovation, Systems and Technologies
Springer, 2015.
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