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  • Correcting Response Failure Errors in Multi-Objective Optimisation in Unreliable Distributed Computing Environments

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    Author(s)
    Rawlins, T
    Lewis, A
    Griffith University Author(s)
    Lewis, Andrew J.
    Rawlins, Tim
    Year published
    2010
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    Abstract
    Population-based, multi-objective optimisation algorithms are increasingly making use of distributed, parallel computing environments. In these cases it is a commonsense precaution to consider the possibility of a variety of failures. In particular, errors caused by response failures are more prone to arise than in homogeneous parallel computers. While masking errors using redundant computation is simple and reasonably reliable, it is expensive in terms of the computing resources required. An alternative approach is presented that uses a Byzantine agreement methodology, utlising only results already computed. In computational ...
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    Population-based, multi-objective optimisation algorithms are increasingly making use of distributed, parallel computing environments. In these cases it is a commonsense precaution to consider the possibility of a variety of failures. In particular, errors caused by response failures are more prone to arise than in homogeneous parallel computers. While masking errors using redundant computation is simple and reasonably reliable, it is expensive in terms of the computing resources required. An alternative approach is presented that uses a Byzantine agreement methodology, utlising only results already computed. In computational experiments it has a demonstrated ability to correct errors, and salvage useable results from unreliable, distributed computing environments. With increasing reliance on computing resources provided and operated by external agencies, error detection and correction can be expected to become more important to a range of applications.
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    Conference Title
    RPC 2010 - 1st Russia and Pacific Conference on Computer Technology and Applications
    Publisher URI
    http://ftp.dvo.ru/pub/RPC_2010/rpc2010_docs/papers.htm
    Copyright Statement
    © 2010 Academic Alliance International. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the conference's website for access to the definitive, published version.
    Subject
    Optimisation
    Software engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/37571
    Collection
    • Conference outputs

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