Mobility

Efficient Network-Wide Flow Record Generation

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Executive Summary

Experiments on diverse topics such as network measurement, management and security are routinely conducted using empirical flow export traces. However, the availability of empirical flow traces from operational networks is limited and frequently comes with significant restrictions. Furthermore, empirical traces typically lack critical meta-data (e.g., labeled anomalies) which reduce their utility in certain contexts. In this paper, the authors describe fs: a first-of-its-kind tool for automatically generating representative flow export records as well as basic SNMP-like router interface counts. fs generates measurements for a target network topology with specified traffic characteristics. The resulting records for each router in the topology have byte, packet and flow characteristics that are representative of what would be seen in a live network.

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