Web server workload characterization: the search for invariants
Proceedings of the 1996 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Difficulties in simulating the internet
IEEE/ACM Transactions on Networking (TON)
Analyzing peer-to-peer traffic across large networks
Proceedings of the 2nd ACM SIGCOMM Workshop on Internet measurment
Workload Modeling for Performance Evaluation
Performance Evaluation of Complex Systems: Techniques and Tools, Performance 2002, Tutorial Lectures
Measurement, modeling, and analysis of a peer-to-peer file-sharing workload
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
Correlating Topology and Path Characteristics of Overlay Networks and the Internet
CCGRID '06 Proceedings of the Sixth IEEE International Symposium on Cluster Computing and the Grid
Proceedings of the 1st ACM SIGOPS/EuroSys European Conference on Computer Systems 2006
Measurements, analysis, and modeling of BitTorrent-like systems
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
Optimizing Peer Relationships in a Super-Peer Network
ICDCS '07 Proceedings of the 27th International Conference on Distributed Computing Systems
A Measurement of a large-scale Peer-to-Peer Live Video Streaming System
ICPPW '07 Proceedings of the 2007 International Conference on Parallel Processing Workshops
Characterizing unstructured overlay topologies in modern P2P file-sharing systems
IEEE/ACM Transactions on Networking (TON)
Free-Riding, Fairness, and Firewalls in P2P File-Sharing
P2P '08 Proceedings of the 2008 Eighth International Conference on Peer-to-Peer Computing
Resource demand and supply in BitTorrent content-sharing communities
Computer Networks: The International Journal of Computer and Telecommunications Networking
On unbiased sampling for unstructured peer-to-peer networks
IEEE/ACM Transactions on Networking (TON)
A unified format for traces of peer-to-peer systems
Proceedings of the 1st ACM workshop on Large-Scale system and application performance
The bittorrent p2p file-sharing system: measurements and analysis
IPTPS'05 Proceedings of the 4th international conference on Peer-to-Peer Systems
Towards a workload model for online social applications: ICPE 2013 work-in-progress paper
Proceedings of the 4th ACM/SPEC International Conference on Performance Engineering
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Real-world measurements play an important role in understanding the characteristics and in improving the operation of BitTorrent, which is currently a popular Internet application. Much like measuring the Internet, the complexity and scale of the BitTorrent network make a single, complete measurement impractical. While a large number of measurements have already employed diverse sampling techniques to study parts of BitTorrent network, until now there exists no investigation of their sampling bias, that is, of their ability to objectively represent the characteristics of BitTorrent. In this work we present the first study of the sampling bias in BitTorrent measurements. We first introduce a novel taxonomy of sources of sampling bias in BitTorrent measurements. We then investigate the sampling among fifteen longterm BitTorrent measurements completed between 2004 and 2009, and find that different data sources and measurement techniques can lead to significantly different measurement results. Last, we formulate three recommendations to improve the design of future BitTorrent measurements, and estimate the cost of using these recommendations in practice.