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On consistency of data in structured overlay networks
KTH, School of Information and Communication Technology (ICT), Electronic, Computer and Software Systems, ECS.
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2008 (English)In: GRID COMPUTING: ACHIEVEMENTS AND PROSPECTS / [ed] Gorlatch, S; Fragopoulou, P; Priol, T, NEW YORK: SPRINGER , 2008, 249-260 p.Conference paper, Published paper (Refereed)
Abstract [en]

Data consistency can be violated in Distributed Hash Tables (DHTs) due to inconsistent lookups. In this paper, we identify the events leading to inconsistent lookups and inconsistent responsibilities for a key. We find the inaccuracy of failure detectors as the main reason for inconsistencies. By simulations with inaccurate failure detectors, we study the probability of reaching a system configuration which may lead to inconsistent data. We analyze majority-based algorithms for operations on replicated data. To ensure that concurrent operations do not violate consistency, they have to use non-disjoint sets of replicas. We analytically derive the probability of concurrent operations including disjoint replica sets. By combining the simulation and analytical results, we show that the probability for a violation of data consistency is negligibly low for majority-based algorithms in DHTs.

Place, publisher, year, edition, pages
NEW YORK: SPRINGER , 2008. 249-260 p.
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-38655DOI: 10.1007/978-0-387-09457-1_21ISI: 000258329500021ISBN: 978-0-387-09456-4 (print)OAI: oai:DiVA.org:kth-38655DiVA: diva2:450228
Conference
CoreGRID Integration Workshop 2008, Hersonissos, GREECE, APR 02-04, 2008
Note
QC 20111020Available from: 2011-10-20 Created: 2011-08-31 Last updated: 2011-10-20Bibliographically approved

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Haridi, Seif

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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