Heterogeneous download times in a homogeneous BitTorrent swarm

Heterogeneous download times in a homogeneous BitTorrent swarm

Modeling and understanding BitTorrent (BT) dynamics is a recurrent research topic mainly due to its high complexity and tremendous practical efficiency. Over the years, different models have uncovered various phenomena exhibited by the system, many of which have direct impact on its performance. In this paper we identify and characterize a phenomenon that has not been previously observed: homog...

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Reliable Interval Estimates for Download Times

We propose an algorithm for calculating interval estimates for download times, based on an imprecise version of the linear regression algorithm and a discounted imprecise

Dynamic swarm management for improved BitTorrent performance

BitTorrent is a very scalable file sharing protocol that utilizes the upload bandwidth of peers to offload the original content source. With BitTorrent, each file is split into many small pieces, each of which may be downloaded from different peers. While BitTorrent allows peers to effectively share pieces in systems with sufficient participating peers, the performance can degrade if participat...

Experimental Assessment of BitTorrent Completion Time in Heterogeneous TCP/uTP Swarms

BitTorrent, one of the most widespread used P2P application for filesharing, recently got rid of TCP by introducing an application-level congestion control protocol named uTP. The aim of this new protocol is to efficiently use the available link capacity, while minimizing its interference with the rest of user traffic (e.g., Web, VoIP and gaming) sharing the same access bottleneck. In this pape...