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Pramana

, Volume 71, Issue 2, pp 263–273 | Cite as

Stability analysis of peer-to-peer networks against churn

  • Bivas Mitra
  • Sujoy Ghose
  • Niloy GangulyEmail author
  • Fernando Peruani
Article

Abstract

Users of the peer-to-peer system join and leave the network randomly, which makes the overlay network dynamic and unstable in nature. In this paper, we propose an analytical framework to assess the robustness of p2p networks in the face of user churn. We model the peer churn through degree-independent as well as degree-dependent node failure. Lately, superpeer networks are becoming the most widely used topology among the p2p networks. Therefore, we perform the stability analysis of superpeer networks as a case study. We validate the analytically derived results with the help of simulation.

Keywords

Superpeer networks percolation theory statistical mechanics 

PACS Nos

89.75.Hc 89.20.Ff 02.50.-r 89.75.-k 

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Copyright information

© Indian Academy of Sciences 2008

Authors and Affiliations

  • Bivas Mitra
    • 1
  • Sujoy Ghose
    • 1
  • Niloy Ganguly
    • 1
    Email author
  • Fernando Peruani
    • 2
    • 3
  1. 1.Department of Computer Science and EngineeringIndian Institute of TechnologyKharagpurIndia
  2. 2.Max Plank Institute for the Physics of Complex SystemsDresdenGermany
  3. 3.ZIH, Technical UniversityDresdenGermany

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