Measurement and Modelling of Internet Traffic at Access Networks

With the growing popularity of the Internet, more and more users access the Internet from their homes via the public switched telephone network. Today ́s traffic load can not be described accurately by classical methods and therefore new traffic models are needed to allow proper network design and dimensioning. In this paper the dialup session behaviour of home users is discussed. Based on the log data of the modem pool of the University of Stuttgart we present typical traffic characteristics and suggest a simple traffic description for use in traffic models on session level for performance analysis or simulation.