Analysis of traffic data from a hybrid satellite-terrestrial network

Authors:
Savio Lau;Ljiljana Trajković
Affiliations:
Simon Fraser University, Vancouver, BC, Canada;Simon Fraser University, Vancouver, BC, Canada
Venue:
The Fourth International Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness & Workshops
Year:
2007

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Abstract

Satellite data networks provide broadband access for areas not served by traditional broadband technologies. In this paper, we describe a collection of traffic data (billing records and tcpdump traces) from a satellite Internet service provider in China. We use the billing records to investigate the uploaded and downloaded traffic volume and the aggregate user behavior. We examine daily and weekly cycles and effects of holidays on traffic patterns. Analysis of the tcpdump traces indicates that Transmission Control Protocol (TCP) accounts for the majority of data transfers. The analysis also includes the detection of anomalies such as invalid TCP flag combinations, port scans, and anomalies in traffic volume.