Construction of Fractional Repetition Codes with Variable Parameters for Distributed Storage Systems
نویسندگان
چکیده
منابع مشابه
Construction of Fractional Repetition Codes with Variable Parameters for Distributed Storage Systems
In this paper, we propose a new class of regular fractional repetition (FR) codes constructed from perfect difference families and quasi-perfect difference families to store big data in distributed storage systems. The main advantage of the proposed construction method is that it supports a wide range of code parameter values compared to existing ones, which is an important feature to be adopte...
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Distributed storage systems are mainly justified due to their ability to store data reliably over some unreliable nodes such that the system can have long term durability. Recently, regenerating codes are proposed to make a balance between the repair bandwidth and the storage capacity per node. This is achieved through using the notion of network coding approach. In this paper, a new variation ...
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Fractional repetition (FR) codes is a family of codes for distributed storage systems that allow for uncoded repair having the minimum repair bandwidth. However, in contrast to minimum bandwidth regenerating codes, where a random set of certain size of available nodes is used for a node repair, the repairs with FR codes are table based. In this work we consider bounds on the fractional repetiti...
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Maximum-distance-separable (MDS) codes are a class of erasure codes that are widely adopted to enhance the reliability of distributed storage systems (DSS). In (n, k) MDS coded DSS, the original data are stored into n distributed nodes in an efficient manner such that each storage node only contains a small amount (i.e., 1/k) of the data and a data collector connected to any k nodes can retriev...
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In a distributed storage systems (DSS), regenerating codes are used to optimize bandwidth in the repair process of a failed node. To optimize other DSS parameters such as computation and disk I/O, Distributed Replication-based Simple Storage (Dress) Codes consisting of an inner Fractional Repetition (FR) code and an outer MDS code are commonly used. Thus constructing FR codes is an important re...
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ژورنال
عنوان ژورنال: Entropy
سال: 2016
ISSN: 1099-4300
DOI: 10.3390/e18120441