Missing Piece Issue and Upload Strategies in Flashcrowds and P2P-assisted Filesharing - Archive ouverte HAL Access content directly
Conference Papers Year : 2006

Missing Piece Issue and Upload Strategies in Flashcrowds and P2P-assisted Filesharing

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Abstract

Peer-to-peer networks provide better scalability for the filesharing applications they underlie. Unlike traditional server-based approach such as FTP, maintaining a constant QoS with a fixed number of servers seems feasible, whatever the number of peers involved. However, a P2P filesharing network sometimes happens to saturate, notably in a semi-P2P filesharing architecture or during flashcrowds phase, and scalability may fail. Even "smart" networks can encounter the whole file but one piece downloaded case, which we call starvation. We suggest a simple and versatile filesharing model. It applies to all pieces-oriented filesharing protocols used in softwares such as MlDonkey or BitTorrent. Simulations of this model show that starvation may occur even during flashcrowds. We propose a theoretical explanation for the so-called starvation phenomenum.
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Dates and versions

hal-00668275 , version 1 (09-02-2012)

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Fabien Mathieu, Julien Reynier. Missing Piece Issue and Upload Strategies in Flashcrowds and P2P-assisted Filesharing. AICT-ICIW '06 - Advanced International Conference on Telecommunications and International Conference on Internet and Web Applications and Services, Feb 2006, Le Gosier, France. pp.112-117, ⟨10.1109/AICT-ICIW.2006.129⟩. ⟨hal-00668275⟩
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