Volume 115, Number 1, July 2016
|Number of page(s)||7|
|Published online||08 August 2016|
Universal model for collective access patterns in the Internet traffic dynamics: A superstatistical approach
Radio Systems Department, St. Petersburg Electrotechnical University - Professor Popov street 5, St. Petersburg, 197376 Russia
Received: 1 June 2016
Accepted: 15 July 2016
We suggest a universal phenomenological description for the collective access patterns in the Internet traffic dynamics both at local and wide area network levels that takes into account erratic fluctuations imposed by cooperative user behaviour. Our description is based on the superstatistical approach and leads to the q-exponential inter-session time and session size distributions that are also in perfect agreement with empirical observations. The validity of the proposed description is confirmed explicitly by the analysis of complete 10-day traffic traces from the WIDE backbone link and from the local campus area network downlink from the Internet Service Provider. Remarkably, the same functional forms have been observed in the historic access patterns from single WWW servers. The suggested approach effectively accounts for the complex interplay of both “calm” and “bursty” user access patterns within a single-model setting. It also provides average sojourn time estimates with reasonable accuracy, as indicated by the queuing system performance simulation, this way largely overcoming the failure of Poisson modelling of the Internet traffic dynamics.
PACS: 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 05.45.-a – Nonlinear dynamics and chaos / 89.20.Hh – World Wide Web, Internet
© EPLA, 2016
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