Towards Optimal Secure Distributed Storage Systems with

Feb 19, 2014 - As an alternative, erasure codes (for instance, Reed-Solomon codes) have been used by Facebook, OceanStore, RAID-6. [2] and others to i...

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The reliability of erasure-coded distributed storage systems, as measured by the mean time to data loss (MTTDL), depends on the repair bandwidth of the code. ..... A. Chen's Model and Angus' model. Both Chen's model and Angus' model address systems w

Aug 6, 2013 - regenerate the data on the failed node. This metric is highly relevant as a large fraction of network bandwidth in DSS can be occupied by the data being transferred during the repair process. Thus, it is desirable to have coding schemes

Sep 6, 2015 - An [n, k] MDS code allows the data to be stored across n nodes such that the entire data can be recovered from the encoded data stored in any k (out of n) nodes. This is depicted in Figure 1a. Another critical resource in distributed-st

Jan 29, 2013 - file sharing, cloud storage. The main benefit of distributing a file within a network is to ... application of distributed storage systems in a delay tolerant network (DTN) with wireless channels, as shown in ... error-free networks (l

Jun 1, 2017 - from the other two nodes, which will violate the security requirement. However, any node failure can be securely repaired by the two-round scheme shown above. To see that the scheme is secure, note that after the repair process Node 1 h

[email protected]). A. S. Rawat and S. Vishwanath are with the Department of Electrical and Computer Engineering, The University of Texas at Austin, ...

Jun 1, 2017 - over Fq to n shares c = (c1, ··· ,cn) over Fq, such that 1) m can be decoded from any subset of n − r shares; 2) any subset of z shares do not ...... [5] W. Huang and J. Bruck, “Secure RAID schemes for distributed storage,” in

Aug 10, 2012 - Application scenarios include large data centers such as Total Recall [4], OceanStore [12] ... One of the challenges for DSS is the repair problem: If a node storing a coded piece fails or leaves the ..... are the systematic and parity

May 12, 2014 - key technique for reducing the bandwidth is to project data blocks onto a small random vector. This checking scheme is inherently different ..... 1In particular, the 2 random padded elements is to control the number of equations in the

May 15, 2013 - of random variables induced by concatenation scheme is shown. These equalities of joint entropies are new tools to simplify the linear programming bound and to obtain stronger converse results for exact repair distributed storage syste

Jun 18, 2017 - systems. In this approach, random combinations of all contents are stored across the network. Our coding approach is based on. Random Linear Fountain (RLF) codes. ... secure solutions which are immune to attackers in time. ...... Inter

Mar 23, 2013 - The result of Theorem 1 still applies to all conventional generator buses that have single links. However, buses with single connections with a renewable energy source differ from the corresponding ones with conventional sources and th

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Apr 12, 2016 - in Section 5. We further complement our survey with a summary of all consistency predicates defined in this work (Appendix A). In addition, for all consistency models mentioned ..... on the shared register.5 It is easy to show that ato

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May 4, 2010 - a malicious or compromised server in the storage network. This second threat is much more eminent when the system uses network coding to maintain the redundancy of the encoded system as proposed recently [4]. To illustrate this consider