Author(s)

F. Clérot & F. Fessant

Abstract

From IP port numbers to ADSL customer segmentation: knowledge aggregation and representation using Kohonen maps F. ClCrot & F. Fessant France Te'ltkorn R&D, DTLfTIC/TNT, Lannion, France Abstract The very rapid adoption of new applications makes the segmentation of ADSL customers according to their network usage a critical step both for a better understanding of the market and for the prediction and dimensioning of the network. We show how Kohonen self-organizing maps can be used to build successive layers of abstraction starting from low-level traffic data to achieve an interpretable clustering of the customers and how the unique visualisation ability of the Kohonen maps makes the analysis quite natural and easy to interpret. 1 Motivation Broadband access for home users and small or medium businesses and especially ADSL access is of vital importance for telecommunication companies since it allows them to leverage their copper infrastructure so as to offer new valueadded broadband services to

Keywords