The maximum concurrent flow problem
Journal of the ACM (JACM)
Structural analysis of network traffic flows
Proceedings of the joint international conference on Measurement and modeling of computer systems
The impact and implications of the growth in residential user-to-user traffic
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Delay tolerant bulk data transfers on the internet
Proceedings of the eleventh international joint conference on Measurement and modeling of computer systems
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The Internet is witnessing explosive growth in traffic due to bulk content transfers, such as multimedia and software downloads, and online sharing of personal, commercial, and scientific data. Yet bulk data transfers remain very expensive and inefficient. As a result, huge amounts of digital data continue to be delivered outside of the Internet using hard drives, optical media or tapes. Meanwhile, large reserves of spare bandwidth lie unutilized in today's networks, where links are overprovisioned for peak load. We designed NetEx, a bulk transfer system that opportunistically exploits the excess capacities of network links to deliver bulk content cheaply and efficiently. Our results based on data from both a commercial tier-1 ISP and the Abilene network suggest that NetEx can considerably increase the capacity of the network, and at the same time it can provide good average performance to bulk transfers.