Distributing private data in challenged network environments
Proceedings of the 19th international conference on World wide web
Hystor: making the best use of solid state drives in high performance storage systems
Proceedings of the international conference on Supercomputing
Proceedings of the 10th international conference on Mobile systems, applications, and services
WiFox: scaling WiFi performance for large audience environments
Proceedings of the 8th international conference on Emerging networking experiments and technologies
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Although electronic mail is an increasingly important service, there are few empirical studies of e-mail traffic. We have observed over 2.85 million messages passing through our departmental servers over the course of seven months, and derived distributions that approximate several important e-mail parameters including message sizes, message senders and receivers and the burstiness of message deliveries. Our work is unique in that we also analyse message payloads: attachment content types, e-mail redundancy, and the use of e-mail as a sharing mechanism. These data can be used in developing e-mail workloads for mail system engineering or benchmarking. To this end, we provide an improved version of Postmark, a small-file Internet benchmark, that better approximates mail server characteristics. Copyright © 2007 John Wiley & Sons, Ltd.