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REDS: redundant and expandable distributed file storage system for a serverless network
2009 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Peer-to-peer (P2P) storage systems are an interesting and emerging field, providing new possibilities for distributed applications. P2P storage systems allow a network of collaborating nodes to increase the availability of their data by store replicas of the data on other nodes in the network. Reasons they are preferred over traditional client-server systems include fault tolerance, availability and scalability. Despite their significant potential, current peer-to-peer storage systems lack in their defense gainst cheating nodes who attempt to use more storage space than they provide. This thesis addresses this deficiency and presents "REDS - Redundant and Expandable Distributed file Storage system for a serverless network", which has a novel approach to overcome the problem with cheating nodes who tries to falsify information in a peer-to-peer storage system. REDS uses a ranking system based on different kinds of requests to locate and suspend malicious nodes in the system. A working prototype of the proposed system has been implemented in Java on top of the FreePastry implementation of the Pastry routing layer. Furthermore, a graphical user interface for the prototype has been implemented. Simulation results, based on freepastry's own simulator, indicate that REDS scales well and is able to efficiently support a large number of nodes.

Place, publisher, year, edition, pages
2009.
Keyword [en]
Technology, Datorkommunikation, nätverk, Peer-to-peer, fillagring
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-55402ISRN: LTU-EX--09/015--SELocal ID: c448bab7-9b36-48d5-a3f1-1f6a23a8209fOAI: oai:DiVA.org:ltu-55402DiVA: diva2:1028784
Subject / course
Student thesis, at least 30 credits
Educational program
Computer Science and Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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Type fulltextMimetype application/pdf

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