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Storage applications are in urgent need of multi-erasure codes. But there is no consensus on the best coding technique. Hafner has presented a class of multi-erasure codes named HoVer codes [1]. This kind of codes has a unique data/parity layout which provides a range of implementation options that cover a large portion of the performance/efficiency trade-off space. Thus it can be applied to many...
In recent years, multi-erasure correcting coding systems have become more pervasive. RAID6 is an important 2-erasure correcting code specification. But there is no consensus on the best concrete RAID6 coding scheme. Plank developed a brand new class of RAID6 codes called the Liberation codes that achieves good encoding, updating and decoding performance. In this paper, we present a chained decoding...
In this paper, we present PDH Latin - a new class of 2-erasure horizontal codes with dependent parity symbols based on column-Hamiltonian Latin squares (CHLS). We prove that PDH Latin codes are MDS codes. We also present a new class of 2-erasure parity independent mixed codes based on CHLS - PIMLatin. We show that the performance of the new codes is comparable to or better than other codes of this...
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