A Highly Robust P2P-CDN Under Large-Scale and Dynamic Participation

Manal El Dick 1, 2 Esther Pacitti 3 Bettina Kemme 4
2 ATLAS - Complex data management in distributed systems
UN - Université de Nantes, Inria Rennes – Bretagne Atlantique
3 ZENITH - Scientific Data Management
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : By building a P2P Content Distribution Network (CDN), peers collaborate to distribute the content of under-provisioned websites and to serve queries for larger audiences on behalf of the websites. This can reveal very challenging, given the highly dynamic and autonomous participation of peers. Indeed, the P2P-CDN should adapt to increasing numbers of participants and provide robust algorithms under churn because these issues have a key impact on performance. Also, the distribution of tasks and content over peers should take into account their interests in order to give them proper incentives to cooperate. Finally, the routing of queries should aim peers close in locality and serve content from close-by providers to reduce network overload and achieve scalability. We have previously proposed a locality and interest-aware P2P-CDN, Flower-CDN, that lacks efficient management of robustness and scalability. In this paper, we focus on these crucial shortcomings and propose PetalUp-CDN. The performance evaluation with respect to scalability and churn shows highly significant gains.
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Communication dans un congrès
IEEE Computer Society. First International Conference on Advances in P2P Systems, Oct 2009, Sliema, Malta. 2009
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Manal El Dick, Esther Pacitti, Bettina Kemme. A Highly Robust P2P-CDN Under Large-Scale and Dynamic Participation. IEEE Computer Society. First International Conference on Advances in P2P Systems, Oct 2009, Sliema, Malta. 2009. 〈inria-00414473〉

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