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RTT change detection and correlation with path changes

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WenqinSHAO/rtt

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What is it about

The project aims at first detecting changes in RTT time series using changepoint methods; and then explore the correlation between RTT changes and path changes.

The best method and configuration for detecting RTT changes are identified through evaluation. Meanwhile we expose the problem of detecting IP path changes not caused by load balancing for RIPE Atlas built-in traceroute measurements, where the Paris ID changes over time. Several detection heuristics are proposed.

All the methods proposed in this project, such as scoring method in evaluation, path change detection algorithm, etc., can be used in a standalone manner, decoupled from the context of this project.

We provide a dataset of real RTT time series collected form RIPE Atlas, manually labelled with moments of change. It serves as ground truth in change detection method evaluation. Tools for manual labelling are available at

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