Ruoming Pang, Mark Allman, Mike Bennett, Jason Lee, Vern Paxson, Brian Tierney. A First Look at Modern Enterprise Traffic. ACM SIGCOMM/USENIX Internet Measurement Conference, October 2005.
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Abstract:

While wide-area Internet traffic has been heavily studied for many years, the characteristics of traffic inside Internet enterprises remain almost wholly unexplored. Nearly all of the studies of enterprise traffic available in the literature are well over a decade old and focus on individual LANs rather than whole sites. In this paper we present a broad overview of internal enterprise traffic recorded at a medium-sized site. The packet traces span more than 100 hours, over which activity from a total of several thousand internal hosts appears. This wealth of data---which we are publicly releasing in anonymized form---spans a wide range of dimensions. While we cannot form general conclusions using data from a single site, and clearly this sort of data merits additional in-depth study in a number of ways, in this work we endeavor to characterize a number of the most salient aspects of the traffic. Our goal is to provide a first sense of ways in which modern enterprise traffic is similar to wide-area Internet traffic, and ways in which it is quite different.

BibTeX:

@inproceedings{PAB+05,
    author    = "Ruoming Pang and Mark Allman and Mike Bennett and Jason Lee and Vern Paxson and Brian Tierney",
    title    = "{A First Look at Modern Enterprise Traffic}",
    booktitle = "ACM SIGCOMM/USENIX Internet Measurement Conference",
    year      = 2005,
    month     = oct,
}