Measurement, modeling, and analysis of a peer-to-peer file-sharing workload
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
Understanding churn in peer-to-peer networks
Proceedings of the 6th ACM SIGCOMM conference on Internet measurement
Measurements, analysis, and modeling of BitTorrent-like systems
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
The bittorrent p2p file-sharing system: measurements and analysis
IPTPS'05 Proceedings of the 4th international conference on Peer-to-Peer Systems
Peer-assisted online storage and distribution: modeling and server strategies
Proceedings of the 18th international workshop on Network and operating systems support for digital audio and video
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Online storage systems that provide versatile and convenient platforms for content distribution have attracted significant attention over the Internet. To guarantee adequate levels of service quality and to minimize server cost, such systems typically deploy dedicated servers while effectively utilizing peer bandwidth in a complementary fashion. It is essential to understand the role of servers and critical factors that influence the server contributions. In this paper, with full knowledge of internal mechanisms of a large-scale peer-assisted online storage system, namely FS2You, and large set of real-world traces, we examine the role of servers in such a system. Specifically, through analyzing server traffic volumes versus various critical factors including file popularity, time period (both "cold" and "hot" periods), and peer types, we not only reveal empirical observations that are contrary to general belief with in-depth rationales, but also exploit potential flaws of current design and strategy, which further draw practical implications on future design.