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Understanding churn in P2P systems

Sponsor: NSF

Abstract

Peer-to-peer (P2P) systems have recently evolved into complex, self-organizing entities that provide a scalable, efficient, and decentralized platform for many Internet applications. To support and continue expanding this important field, this project develops fundamental analytical and experimental understanding of P2P networks under user churn, which is a term describing dynamic behavior of P2P systems in which arrivals and departures are not synchronized. This work builds upon a synergy of analytical modeling of P2P dynamics and experimental sampling of churn in real networks.

Journal Papers

 
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Z. Yao, D.B.H. Cline, and D. Loguinov, "Unstructured P2P Link Lifetimes Redux," IEEE Transactions on Networking, vol. 23, no. 3, June 2015.

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Z. Yao, D.B.H. Cline, X. Wang, and D. Loguinov, "Unifying Models of Churn and Resilience for Unstructured P2P Graphs," IEEE Transactions on Parallel and Distributed Systems, vol. 25, no. 9, September 2014.

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Z. Yao and D. Loguinov, "Analysis of Link Lifetimes and Neighbor Selection in Switching DHTs," IEEE Transactions on Parallel and Distributed Systems, vol. 22, no. 11, November 2011.

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Z. Yao and D. Loguinov, "Understanding Disconnection and Stabilization of Chord," IEEE Transactions on Parallel and Distributed Systems, vol. 22, no. 4, April 2011.

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X. Wang, Z. Yao, and D. Loguinov, "Residual-Based Estimation of Peer and Link Lifetimes in P2P Networks," IEEE/ACM Transactions on Networking, vol. 17, no. 3, June 2009.

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Z. Yao, X. Wang, D. Leonard, and D. Loguinov, "Node Isolation Model and Age-Based Neighbor Selection in Unstructured P2P Networks," IEEE/ACM Transactions on Networking, vol. 17, no. 1, February 2009.

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Conference Papers

 
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Z. Yao, D.B.H. Cline, and D. Loguinov, "On the Tradeoff between Resilience and Degree Overload in Dynamic P2P Graphs," IEEE P2P, September 2014.

PDF, PPT
 
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Z. Yao, D.B.H. Cline, and D. Loguinov, "Unstructured P2P Link Lifetimes Redux," IEEE INFOCOM, April 2013.

PDF, PPT
 
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Z. Yao, D.B.H. Cline, and D. Loguinov, "On Superposition of Heterogeneous Edge Processes in Dynamic Random Graphs," IEEE INFOCOM Mini-Conference, March 2012.

PDF, PPT
 
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Z. Yao, D.B.H. Cline, and D. Loguinov, "In-Degree Dynamics of Large-Scale P2P Systems," ACM HotMetrics, June 2010.

PDF, PPT
 
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C. Reddy, D. Leonard, and D. Loguinov, "Optimizing Capacity-Heterogeneous Unstructured P2P Networks for Random-Walk Traffic," IEEE P2P, September 2009 (best paper award).

PDF, PPT
 
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X. Wang, Z. Yao, Y. Zhang, and D. Loguinov, "Robust Lifetime Measurement in Large-Scale P2P Systems with Non-Stationary Arrivals," IEEE P2P, September 2009.

PDF, PPT

 

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Z. Yao and D. Loguinov, "Understanding Disconnection and Stabilization of Chord," IEEE INFOCOM, April 2008.

PDF, PPT

 

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Z. Yao and D. Loguinov, "Link Lifetimes and Randomized Neighbor Selection in DHTs," IEEE INFOCOM, April 2008.

PDF, PPT

 

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X. Wang, Z. Yao, and D. Loguinov, "Residual-Based Measurement of Peer and Link Lifetimes in Gnutella Networks," IEEE INFOCOM, May 2007.

PDF, PPT

 

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Z. Yao, X. Wang, D. Leonard, and D. Loguinov, "On Node Isolation under Churn in Unstructured P2P Networks with Heavy-Tailed Lifetimes," IEEE INFOCOM, May 2007.

PDF, PPT
 


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