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Resolving the Noxious Effect of Churn on Internet Coordinate Systems
Gueye, Cheikh Ahmadou Bamba; Leduc, Guy
2009In Lecture Notes in Computer Science, 5918, p. 162-173
Peer reviewed
 

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Keywords :
Network coordinates; Clustering; Node churn
Abstract :
[en] Internet Coordinate Systems (ICS) provide easy and practical latency predictions in the Internet. However, peer dynamics (i.e, churn), which is an in- herent property of peer-to-peer (P2P) systems, affects the accuracy of such sys- tems. This paper addresses the problem of churn in an ICS without landmarks, like Vivaldi. We propose a framework to assess the robustness of such an ICS in the presence of churn, and evaluate two models for handling churn. The key idea is to reactively recover lost neighbours, either by picking new nodes at random, or by selecting a new one among the node’s two-hop neighbours, while maintaining high reliability and low communication overhead. We then show by simulations that our models mitigate the impact of churn, and lead to a good accuracy com- pared to an instance of an ICS running without churn.
Research Center/Unit :
Research Unit in Networking
Disciplines :
Computer science
Author, co-author :
Gueye, Cheikh Ahmadou Bamba ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Réseaux informatiques
Leduc, Guy ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Réseaux informatiques
Language :
English
Title :
Resolving the Noxious Effect of Churn on Internet Coordinate Systems
Publication date :
December 2009
Event name :
IWSOS 2009
Event place :
Zurich,, Switzerland
Event date :
du 9 decembre au 11 decembre 2009
Audience :
International
Journal title :
Lecture Notes in Computer Science
ISSN :
0302-9743
eISSN :
1611-3349
Publisher :
Springer, Berlin, Germany
Volume :
5918
Pages :
162-173
Peer reviewed :
Peer reviewed
Name of the research project :
FP6-FET ANA (FP6-IST- 27489)
Funders :
EU FP6 ANA
Available on ORBi :
since 29 October 2009

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