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An analytical study of a structured overlay in the presence of dynamic membership
KTH, School of Computer Science and Communication (CSC), Computational Biology, CB.
Swedish Institute of Computer Science (SICS).
KTH, School of Computer Science and Communication (CSC), Computational Biology, CB.
KTH, School of Information and Communication Technology (ICT), Communication: Services and Infrastucture, Software and Computer Systems, SCS.ORCID iD: 0000-0002-6718-0144
2008 (English)In: IEEE/ACM Transactions on Networking, ISSN 1063-6692, E-ISSN 1558-2566, Vol. 16, no 4, 814-825 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we present an analytical study of dynamic membership (aka churn) in structured peer-to-peer networks. We use a fluid model approach to describe steady-state or transient phenomena and apply it to the Chord system. For any rate of churn and stabilization rates and any system size, we accurately account for the functional form of the probability of network disconnection as well as the fraction of failed or incorrect successor and finger pointers. We show how we can use these quantities to predict both the performance and consistency of lookups under churn. All theoretical predictions match simulation results. The analysis includes both features that are generic to structured overlays deploying a ring as well as Chord-specific details and opens the door to a systematic comparative analysis of, at least, ring-based structured overlay systems under churn.

Place, publisher, year, edition, pages
2008. Vol. 16, no 4, 814-825 p.
Keyword [en]
peer-to-peer networks, performance analysis, stochastic systems
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-17786DOI: 10.1109/tnet.2007.905590ISI: 000258775100006ScopusID: 2-s2.0-50149113315OAI: diva2:335831
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2010-10-11Bibliographically approved

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