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Conference Paper: Exploring the sustainability of credit-incentivized peer-to-peer content distribution
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TitleExploring the sustainability of credit-incentivized peer-to-peer content distribution
 
AuthorsQiu, X1
Huang, W1
Wu, C1
Li, Z2
Lau, FCM1
 
KeywordsCredit-based system
Peer-to-peer content distribution
Queueing network
Content distribution
Content distribution systems
 
Issue Date2012
 
PublisherIEEE Computer Society. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000212
 
CitationThe 32nd International Conference on Distributed Computing Systems Workshops (ICDCSW 2012), Macau, China, 18-21 June 2012. In Proceedings of the 32nd ICDCSW, 2012, p. 118-126 [How to Cite?]
DOI: http://dx.doi.org/10.1109/ICDCSW.2012.40
 
AbstractCredit-based incentives were proposed to incite peer contributions in P2P content distribution systems. Their effectiveness was extensively analyzed from a game theory perspective. Little attention however has been paid to a potential threat to such systems - the possible condensation of credits in a small number of peers over time. Credits condensation puts system sustainability on the line: many peers gradually run out of credits and cannot keep up a decent download rate. We study the sustainability of credit-based P2P systems running for a long period of time. We first introduce a new queueing network based model for credit circulation in a P2P content trading market. This model enables the study of credit system sustainability via examining the stability of stochastic traffic flows in a network of queues. We show that a stable job circulation, i.e., an equilibrium market state, always exists. A sufficient and necessary condition for asymptotic condensation at equilibrium is proved. We analyze the degree of condensation in finite networks using the Gini index, and relate condensation to P2P network protocols and parameters. Our theoretical results are verified and supported by extensive simulations under realistic settings. We propose counter-actions for preventing and mitigating credit condensation. © 2012 IEEE.
 
DescriptionThe 4th International Workshop on Hot Topics in Peer-to-Peer Computing and Online Social Networking (HotPOST) was held in conjunction with IEEE ICDCS 2012
 
ISSN1545-0678
 
DOIhttp://dx.doi.org/10.1109/ICDCSW.2012.40
 
DC FieldValue
dc.contributor.authorQiu, X
 
dc.contributor.authorHuang, W
 
dc.contributor.authorWu, C
 
dc.contributor.authorLi, Z
 
dc.contributor.authorLau, FCM
 
dc.date.accessioned2012-08-16T06:03:06Z
 
dc.date.available2012-08-16T06:03:06Z
 
dc.date.issued2012
 
dc.description.abstractCredit-based incentives were proposed to incite peer contributions in P2P content distribution systems. Their effectiveness was extensively analyzed from a game theory perspective. Little attention however has been paid to a potential threat to such systems - the possible condensation of credits in a small number of peers over time. Credits condensation puts system sustainability on the line: many peers gradually run out of credits and cannot keep up a decent download rate. We study the sustainability of credit-based P2P systems running for a long period of time. We first introduce a new queueing network based model for credit circulation in a P2P content trading market. This model enables the study of credit system sustainability via examining the stability of stochastic traffic flows in a network of queues. We show that a stable job circulation, i.e., an equilibrium market state, always exists. A sufficient and necessary condition for asymptotic condensation at equilibrium is proved. We analyze the degree of condensation in finite networks using the Gini index, and relate condensation to P2P network protocols and parameters. Our theoretical results are verified and supported by extensive simulations under realistic settings. We propose counter-actions for preventing and mitigating credit condensation. © 2012 IEEE.
 
dc.description.naturepublished_or_final_version
 
dc.descriptionThe 4th International Workshop on Hot Topics in Peer-to-Peer Computing and Online Social Networking (HotPOST) was held in conjunction with IEEE ICDCS 2012
 
dc.description.otherThe 32nd International Conference on Distributed Computing Systems Workshops (ICDCSW 2012), Macau, China, 18-21 June 2012. In Proceedings of the 32nd ICDCSW, 2012, p. 118-126
 
dc.identifier.citationThe 32nd International Conference on Distributed Computing Systems Workshops (ICDCSW 2012), Macau, China, 18-21 June 2012. In Proceedings of the 32nd ICDCSW, 2012, p. 118-126 [How to Cite?]
DOI: http://dx.doi.org/10.1109/ICDCSW.2012.40
 
dc.identifier.doihttp://dx.doi.org/10.1109/ICDCSW.2012.40
 
dc.identifier.epage126
 
dc.identifier.hkuros202419
 
dc.identifier.issn1545-0678
 
dc.identifier.scopuseid_2-s2.0-84866407846
 
dc.identifier.spage118
 
dc.identifier.urihttp://hdl.handle.net/10722/160084
 
dc.languageeng
 
dc.publisherIEEE Computer Society. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000212
 
dc.publisher.placeUnited States
 
dc.relation.ispartofInternational Conference on Distributed Computing Systems Workshops Proceedings
 
dc.rightsInternational Conference on Distributed Computing Systems Workshops Proceedings. Copyright © IEEE Computer Society.
 
dc.rights©2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.subjectCredit-based system
 
dc.subjectPeer-to-peer content distribution
 
dc.subjectQueueing network
 
dc.subjectContent distribution
 
dc.subjectContent distribution systems
 
dc.titleExploring the sustainability of credit-incentivized peer-to-peer content distribution
 
dc.typeConference_Paper
 
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<contributor.author>Huang, W</contributor.author>
<contributor.author>Wu, C</contributor.author>
<contributor.author>Li, Z</contributor.author>
<contributor.author>Lau, FCM</contributor.author>
<date.accessioned>2012-08-16T06:03:06Z</date.accessioned>
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<identifier.citation>The 32nd International Conference on Distributed Computing Systems Workshops (ICDCSW 2012), Macau, China, 18-21 June 2012. In Proceedings of the 32nd ICDCSW, 2012, p. 118-126</identifier.citation>
<identifier.issn>1545-0678</identifier.issn>
<identifier.uri>http://hdl.handle.net/10722/160084</identifier.uri>
<description>The 4th International Workshop on Hot Topics in Peer-to-Peer Computing and Online Social Networking (HotPOST) was held in conjunction with IEEE ICDCS 2012</description>
<description.abstract>Credit-based incentives were proposed to incite peer contributions in P2P content distribution systems. Their effectiveness was extensively analyzed from a game theory perspective. Little attention however has been paid to a potential threat to such systems - the possible condensation of credits in a small number of peers over time. Credits condensation puts system sustainability on the line: many peers gradually run out of credits and cannot keep up a decent download rate. We study the sustainability of credit-based P2P systems running for a long period of time. We first introduce a new queueing network based model for credit circulation in a P2P content trading market. This model enables the study of credit system sustainability via examining the stability of stochastic traffic flows in a network of queues. We show that a stable job circulation, i.e., an equilibrium market state, always exists. A sufficient and necessary condition for asymptotic condensation at equilibrium is proved. We analyze the degree of condensation in finite networks using the Gini index, and relate condensation to P2P network protocols and parameters. Our theoretical results are verified and supported by extensive simulations under realistic settings. We propose counter-actions for preventing and mitigating credit condensation. &#169; 2012 IEEE.</description.abstract>
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<rights>International Conference on Distributed Computing Systems Workshops Proceedings. Copyright &#169; IEEE Computer Society.</rights>
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<rights>Creative Commons: Attribution 3.0 Hong Kong License</rights>
<subject>Credit-based system</subject>
<subject>Peer-to-peer content distribution</subject>
<subject>Queueing network</subject>
<subject>Content distribution</subject>
<subject>Content distribution systems</subject>
<title>Exploring the sustainability of credit-incentivized peer-to-peer content distribution</title>
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Author Affiliations
  1. The University of Hong Kong
  2. University of Calgary